China's Water Saving Technology Policy Outline 2/2

3. Industrial water-saving industrial water mainly includes cooling water, heat and process water, and washing water. The industrial cooling water consumption accounts for about 80% of the total industrial water consumption, and the water withdrawal amount accounts for 30-40% of the total industrial water intake. The water intake of eight industries, including thermal power generation, iron and steel, petroleum, petrochemical, chemical industry, papermaking, textiles, non-ferrous metals, food, and fermentation, accounts for about 60% of the total industrial water withdrawal in the country (including DC cooling water for thermal power generation).

3.1 Industrial water reuse technology The development and promotion of industrial water reuse technology to increase water reuse is the primary means of industrial water conservation.
3.1.1 Vigorously develop recycling water systems, tandem water systems and reuse water systems. Promote the development and application of enterprise water network integration technologies and optimize the corporate water network system. Encourage the use of water network integration technologies in new construction, expansion and reconstruction projects.
3.1.2 Develop and promote steam condensate recovery and reuse technologies. Optimize the company's steam condensate recovery network and develop a closed recycling system. Promote the use of steam condensate recovery equipment and devices to promote water-saving steam traps with low steam leakage and high back pressure. Optimize iron removal and oil removal technology for steam condensate.
3.1.3 Develop wastewater reuse and "zero discharge" technologies. Encourage and support the reuse of waste (sewage) water from outside the enterprise, and vigorously promote the use of waste (smear) water in the treatment of recycled water in the cooling water system. In areas where there is a lack of water and high ecological environment requirements, enterprises are encouraged to apply waste water “zero discharge” technology.

3.2 Cooling Water Saving Technology Development Efficient cooling water-saving technology is the key to industrial water saving.
3.2.1 Develop efficient heat transfer technology and equipment.
Promote materials heat exchange and water saving technologies, optimize heat exchange processes and heat exchanger combinations, and develop new and efficient heat exchangers.
3.2.2 Encourage the development of efficient and environmentally friendly water-saving cooling towers and other cooling structures. Optimize the circulating cooling water system and accelerate the elimination of cooling structures such as cooling pools and fountains with low cooling efficiency and high water consumption. Promote efficient new type of side filter and eliminate inefficient side-filtering facilities with large backwash water.
3.2.3 Develop efficient cooling water treatment technology. In the open-cycle indirect cooling water system, promote water treatment technology with a concentration factor greater than 4; phase out water treatment technologies with a concentration factor of less than 3; limit the use of high-phosphorus zinc water treatment technologies; develop and apply environmentally-friendly water treatment agents and formulas .
3.2.4 Develop air cooling technology. Air cooling technology is promoted in areas where water is scarce and weather conditions are suitable. Encourage research and development of air-cooling technologies and equipment that operate efficiently and economically.
3.2.5 Promote the application of vaporization cooling technology in high temperature equipment such as heating furnaces. The steam and water separated steam should be fully utilized.

3.3 Heat and process systems Water-saving technologies Industrial production of heat and process water is divided into boiler feed water, steam, hot water, pure water, softened water, desalinated water, deionized water, etc., and its water consumption ranks second in the industrial water consumption. Bit, second only to cooling water. Saving heat and water for process systems are an important part of industrial water conservation.
3.3.1 Promote the heat-joint technology of the production process (inside the device, between devices, within the process, between processes).
3.3.2 Promote the use of demineralized water for the feed water of medium pressure steam production equipment. Promote the use of closed loop steam sampling devices. Research and development can realize "zero emission" hot water boiler and steam boiler water treatment technology, boiler pneumatic ash slag technology and "zero discharge" non-plugging wet desulfurization technology.
3.3.3 Develop techniques such as dry distillation, dry stripping, and steam-free oxygen removal with little or no steam. Optimized steam automatic regulation system.
3.3.4 Optimize the preparation process of boiler feed water and process water. Encourage the use of countercurrent regeneration, bunk beds, and clean water recovery technologies to reduce self-consumption. Research and development of boiler feed water, preparation of new technology and new equipment for process water, and the gradual promotion of electric deionized water purification technology.

3.4 Washing water-saving technology In the industrial production process, washing water is divided into product washing, equipment washing and environmental washing water.
3.4.1 Promotion of water saving technologies and equipment such as countercurrent rinsing, spray washing, soft water washing, aerosol mist spraying, high pressure water washing, oscillating water washing, and efficient turntables.
3.4.2 Development of equipment Water-saving cleaning technology. Promote the use of recyclable cleaners or multi-step cleaners and cleaning techniques; promote dry ice cleaning, microbiological cleaning, spray cleaning, water vapor pulse cleaning, and non-stop online cleaning technologies.
3.4.3 Develop environmental water-saving washing technology. Promote the use of recycled water and self-cleaning coating technology with photocatalytic or air catalysis.
3.4.4 Promote the use of various water-washing auxiliaries and related chemicals that can reduce water use. Develop various types of highly efficient and environment-friendly cleaners, microbial cleaners and efficient washing machines. Research and development of environmentally friendly solvents, dry cleaning machines, plasma cleaning and other waterless washing technology and equipment.

3.5 Water Saving Technology for Industrial Water Supply and Wastewater Treatment
3.5.1 Promote the use of new high-precision filter media technology, soft drinks backwash technology, etc. to reduce backwash water consumption technology. Promote the use of backwashing drainage and sedimentation tank sludge removal technology.
3.5.2 Encourage the application of ozone, ultraviolet and other non-secondary pollution disinfection technologies in wastewater treatment. Develop and promote the application of technologies such as supercritical water treatment, photochemical treatment, new biological methods, activated carbon adsorption, and membrane technology in industrial wastewater treatment.

3.6 Unusual Water Resources Utilization Technology
3.6.1 Develop direct seawater use technologies. Industrial enterprises in the coastal areas have vigorously promoted seawater direct cooling and seawater circulation cooling technologies.
3.6.2 Actively develop seawater and brackish water desalination technologies. Implementation of the industrial chain technology that focuses on desalination of seawater, taking into consideration salt and brine extraction, and extracting other useful ingredients, will increase the overall benefits of seawater desalination. We will reduce the cost of seawater desalination by expanding the scale of desalination plants and implementing energy recovery technologies. Develop complete, serialized and standardized manufacturing technologies for seawater desalination equipment.
3.6.3 Develop resource utilization technologies such as coal mining, oil recovery, and mining. Promote mine water as an alternative water source application technology for industrial water, domestic water and farmland water in mining areas.

3.7 Industrial water supply pipe network, leak-proof equipment, and rapid plugging and repairing technology Reduce the leakage rate of water transmission pipe network, water pipe network, and water equipment (appliances) is an important way for industrial water conservation.
3.7.1 Develop new types of water pipes. Limit and phase out traditional cast iron pipes and galvanized pipes, accelerate the development of water pipes with high mechanical strength, good rigidity, and easy installation. Develop valves and fittings that do not leak, are easy to operate and monitor, and have a long life.
3.7.2 Optimize industrial water supply pressure, liquid level, and water control technologies. Develop leak-proof equipment, instruments and technologies for convenient and practical industrial water pipe networks and equipment (apparatus).
3.7.3 Research and development of rapid plugging and repair technology for pipe network and equipment (apparatus).

3.8 Industrial water measurement management technology The measurement and control of industrial water use is the basic work for water statistics, management, and water-saving technological progress.
3.8.1 The key water systems and equipment should be equipped with metering water meters and control instruments. Improve and revise the relevant design specifications, clarify the design, installation and accuracy requirements of water metering and monitoring instruments. The key water use systems and equipment should gradually improve the computer and automatic monitoring system.
3.8.2 Encourage and promote enterprises to establish water and water-saving computer management systems and databases.
3.8.3 Encourage the development and production of new industrial water measuring instruments, limited water meters and time-limited controls, water pressure control, water level control, water level sensor control and other control instruments.

3.9 Key Water Saving Process The water saving process refers to the use of less or no water by changing production raw materials, processes and equipment, or water usage. It is the source water saving technology at a higher level (water saving, energy saving, product quality improvement, etc.).
3.9.1 Energetically develop and popularize water-saving technologies and equipment such as dry ash and dry ash transportation (dregs), high-concentration ash slag transport, and ash-washing water recycling, such as thermal power generation, iron and steel, and calcium carbide, and smelter dry methods. Dust collection and purification technology.
3.9.2 Promote gas-steam combined cycle power generation and clean coal combustion power generation technologies. Research and development of power generation processes and technologies that use less water such as natural gas and other fossil fuels to generate electricity.
3.9.3 Promote iron and steel industry smelting reduction and other non-blast furnace ironmaking processes and develop thin strip continuous casting process. Promote CDQ or low moisture quenching process in coking production.
3.9.4 Encourage the hydrofining process to eliminate the acid-alkali washing process in oil refining.
3.9.5 Development of ammonia production water saving process.
Use low-energy decarburization process instead of water to elute carbon dioxide, low heat consumption benzol process and MDEA decarburization process; promote the whole low-temperature process, NHD desulfurization, decarbonization gas purification process; development of natural gas as raw material to produce ammonia; Alcohol alkylation refining and low pressure and low energy ammonia synthesis system; heavy oil as raw material to produce synthetic ammonia, and dry recovery of carbon black.
3.9.6 Develop urea production water saving process. The use of CO2 and NH3 stripping processes was promoted in new installations. To promote water-saving and full-cycle urea energy-saving technology. The medium and small urea plants promote the deep hydrolysis and desorption of urea waste.
3.9.7 Promote the production of low-pressure methanol synthesis process.
3.9.8 Development of a water-saving process for the production of caustic soda. The use of ion-exchange membrane caustic soda was promoted, and three-way counter-current evaporation was used to modify the traditional co-current evaporation. Promote the 10,000-ton three-effect countercurrent evaporation device and efficient natural forced circulation evaporator.
3.9.9 Develop soda ash production water saving process. The ammonia-alkali plant promotes vacuum distillation and dry ashing.
3.9.10 Develop sulphuric acid production The pickling purifying and water-saving process and new heat exchange equipment will gradually eliminate the water washing purification process and the traditional cast iron cooling pipe.
3.9.11 Develop textile production water saving processes. Promote the use of highly efficient water-saving auxiliaries; promote the use of biological enzyme treatment technology, efficient short-flow pretreatment process, cold-rolling and stacking one-step pretreatment process, dyeing one-bath process, low-water countercurrent rinsing process, and high-temperature and small-pressure bath ratio Flow dyeing process and equipment; research and development of high temperature and high pressure airflow dyeing, micro-suspension dyeing, low temperature plasma processing technology and equipment.
Encourage textile printing and dyeing processing enterprises to use natural colored cotton and other water-saving production materials, and promote the new color cotton manufacturing technology.
3.9.12 Development of a pulp and water saving process for the pulp and paper industry. Promote the recycling process system of fiber raw material washing water; promote low-kappa cooking, oxygen delignification before bleaching, and closed screen washing system; develop elemental chlorine or no chlorine bleach; research and develop low chlorine bleaching suitable for the characteristics of straw pulp It also adopts chlorine-free bleaching, reasonably organizes the countercurrent use of bleached pulp washing filtrates, promotes medium and strong technologies and process intelligent control technologies, and develops processes for increasing the reuse rate of secondary steam condensate in alkali recovery black liquor multi-effect evaporation stations. Develop process systems for pulping water recycling of mechanical pulp and secondary fiber pulp; popularize high-efficiency sedimentation filtration equipment white water recovery technology, strengthen whitewater closed circulation process research, and develop whitewater recovery and secondary wastewater biochemical treatment and equipment reuse technology and equipment.
3.9.13 Develop water-saving technologies for the food and fermentation industry. According to different products and different production processes, dry, semi-wet and wet methods are developed for the preparation of closed loop processes for starch extraction. To promote the dewatering of corn flour production of alcohol, starch production of monosodium glutamate and other fermented products, such as water closed loop process. Promote the extraction process of high-concentration mash fermentation (alcohol, beer, monosodium glutamate, yeast, citric acid, etc.) and high-density mother liquor (monosodium glutamate, etc.). Promote the use of a double-effect evaporator above the concentration process. Eliminating starch raw materials, such as high-temperature cooking gelatinization, low-concentration sugar liquid fermentation, low-concentration mother liquor extraction and other processes. Research and development of beer wort a cooling, alcohol differential pressure distillation device.
3.9.14 Develop oilfield water saving processes. Promote the optimization of water injection technology to reduce the amount of invalid water injection. For ultra-high water-cut oilfields, technical measures such as water injection in the subdivision layer, water blocking in the subdivision layer, and profile adjustment are adopted to control the injected water volume. Promote the advanced and applicable oilfield production water treatment reinjection process. For the production of ultra-low permeability oilfields, the fine processing technology is promoted. Steam injection heavy oil field, promotion of heavy oil wastewater deep treatment and reuse of steam injection boiler technology. Research and development of tertiary oil recovery water treatment and reuse technology. Promote oil and gas field construction and water-saving operations downhole operations.
3.9.15 Develop water-saving processes for coal production. Promote effective water retention measures in the coal mining process to prevent water leakage or water inrush from the pit. Development and application of advanced mining processes and equipment that have little damage to surrounding rocks and low water loss. Develop and apply water-saving coal preparation equipment such as dynamic sieve jigs. Develop and apply dry coal preparation technology and equipment. Research and development of large-scale advanced dewatering and slime water treatment equipment.
3.9.16 Promote the decomposition of new dry process production outside the cement kiln, and gradually eliminate the wet production process.

4. Urban life-saving water for urban life includes: urban residents, trade, institutions, institutions, tourism, social services, landscape and other water use. At present, urban living water consumption accounts for about 55% of urban water consumption, and will continue to increase with the development of the city; urban living water is closely related to the daily life of the people. The current per capita domestic water consumption is 212 liters/day (including city cities 228 liters/day). Saving water in urban life is of great significance for promoting the construction of water-saving cities.

4.1 Water-saving appliances The promotion and application of water-saving water-saving appliances is an important technical guarantee for life-saving water.
4.1.1 Promote water-saving faucets. Promote water-saving faucets such as non-contact automatic control, delay self-closing, water stop self-closing, foot-operated, and ceramic-grinding-sealed. Elimination of cast-iron spiral-lift faucets and cast-iron screw-lift stop valves in buildings.
4.1.2 Promote water-saving toilet system. Promote the use of two-piece toilets, new residential toilets less than 6 liters. Six litres of two-piece toilets were used in public buildings and public places, and urinals were used to promote non-contact control switchgear. Replace the sanitary ware tank fittings with water inlets below the water level, the accessories for the direct-fall toilet bowls, and the toilet bowls and tanks with a flushing volume greater than 9 liters.
4.1.3 Promote water-saving shower facilities. Concentrated baths use hot and cold water mixed showers to promote the use of card-type smart, non-contact automatic control, delay self-closing, pedal-type shower devices; hotels, restaurants, hospitals and other large-scale public buildings to promote the use of shower Limiter device.
4.1.4 Research and production of new water-saving appliances. Research and development of highly intelligent water appliances, water appliances with the best water consumption, and taps classified by family function.

4.2 Urban Reclaimed Water Utilization Technologies Urban reclaimed water utilization technologies include urban sewage treatment and recycling technologies, water treatment and recycling technologies in buildings, and domestic sewage treatment and recycling technologies in residential communities.
4.2.1 Establish and improve the urban regeneration water utilization technology system. For urban wastewater reclamation, the corresponding reclaimed water treatment technologies and transmission and distribution technologies should be reasonably adopted in accordance with the principle of on-site treatment for on-site reuse in accordance with the source and scale of municipal wastewater; research and formulation of urban water system planning and reuse water utilization planning should be encouraged. Technical standards: gradually optimize the urban water supply system and distribution network, establish a pipe network system for urban reclaimed water utilization coordinated with the urban water system, and a recycling water utilization system that integrates water from a centralized treatment plant, water in a single building, and water in a residential area. ; Formulate and improve standards for the recycling of wastewater.
4.2.2 Development of sewage treatment and recycling technology. Encourage the use of recycled water use technology in water-sewage municipal sewage treatment plants. Recycled water is used in public buildings within the coverage of agricultural, industrial, urban greening, river and lake landscapes, urban miscellaneous use, car washing, groundwater recharge, and centralized treatment of urban sewage. Living miscellaneous water.
4.2.3 Promote the use of recycled water utilization technologies in urban residential communities. In urban areas where water-scarce areas are built and residential communities reach a certain scale of construction, resident population or water consumption, the reclaimed water utilization technology of residential communities shall be actively used, and recycled water shall be used for flushing toilets, cleaning, car washing, greening, environmental and ecological water use.
4.2.4 Promote the application of water treatment and reuse technologies in buildings. In urban areas where there is a shortage of water for centralized treatment and reuse of urban sewage, a building with a certain scale or water consumption should actively adopt the water treatment and reuse technology in the building, and Zhongshui should be used for the construction of miscellaneous water.
4.2.5 Actively research and develop high efficiency and low waste water treatment and recycling technology. Encourage the research and development of new processing technologies and recycling technologies that have small footprint, high degree of automation, convenient operation and maintenance, and low energy consumption.

4.3 Urban Rainwater, Seawater and Brackish Water Utilization Technology
4.3.1 Promote the direct use of rainwater in urban areas. In urban green space systems and residential communities, promote the direct use of technologies for urban green land lawn stagnation and direct use of rainwater in green land lawn irrigation; promote the direct use of rainwater harvesting technology in water-scarce areas; rainwater collected by road rain collection systems is mainly used in urban miscellaneous water Encourage cities in arid regions to adopt micro-hydraulic engineering techniques according to local conditions, and develop and utilize rain water resources with small intensity but widely distributed areas, such as rooftop rainwater collection technology.
4.3.2 Promote environmental ecological utilization technology of urban rainwater. The use of rainwater is combined with the conservation of wetlands such as natural depressions, rivers and lakes in parks, and the restoration of wetlands.
4.3.3 Promote urban rainwater harvesting and irrigation technology.
In urban water shortage areas, priority will be given to the promotion of urban stormwater flood underground irrigation system technology. Through the urban green space, urban water system, the pervious road surface of the traffic network, the permeable drains on both sides of the road that are specially used to collect rainwater, the rainwater collection and utilization system in the living quarters, and the water infiltration and utilization system for public buildings, etc., to make full use of rainwater The groundwater was recharged in the flood season of the upper reservoir. Improve the urban drainage system, establish a rainwater runoff collection system and water quality monitoring system. Encourage water shortage areas to use urban rainwater treatment and recharging technologies based on the establishment of a rainwater and sewage diversion system. Research and develop urban rainwater quality monitoring technology.
4.3.4 Promote seawater utilization technology. Water shortage cities in the northeast, north China, and east China have actively developed seawater desalination and transmission and distribution technologies; and accelerated the development of low-cost seawater desalination technologies. Encourage the development of seawater direct utilization technologies in coastal cities; actively develop treatment technologies for salty domestic sewage, and develop seawater (foreign) disposal technologies for salty domestic sewage.
4.3.5 Promote brackish water use technology. In cities with water shortages in North China, Northwest China and coastal areas, electrodialysis treatment technology and reverse osmosis treatment technology for brackish water are popularized mainly for urban miscellaneous water, miscellaneous water for daily use, and part of drinking water.

4.4 Leak Detection and Impervious Technology of Urban Water Supply Pipe Network At present, the water leakage of urban water supply pipe network is relatively serious, and it has become a prominent issue in current urban water supply. Actively adopting the leak detection and anti-seepage technologies of urban water supply networks is not only an important technical measure for saving urban water resources, but also has important significance for improving the level of urban water service and ensuring the water quality and safety of water supply.
4.4.1 Promote pretargeting leak detection technology and precise determination point leakage detection technology. Popularize and apply pre-positioning leak detection technology and precise definite point leak detection technology, and optimize the leak detection method according to the different laying conditions of the water supply pipe network. The water supply pipe network buried in the soil shall be mainly based on a passive leak detection method and shall be supplemented by an active leak detection method; the water supply pipe network covering the urban roads shall be mainly based on an active leak detection method, supplemented by a passive leak detection method. Encourage the establishment of water supply pipe network GIS and GPS systems based on the use of regional leakage survey system technology and intelligent precision leak detection technology.
4.4.2 promote the application of new types of pipe. Large-diameter pipes (DN>1200) give priority to prestressed steel-concrete pipes; medium-diameter pipes (DN=300-1200) preferentially use plastic pipes and ductile iron pipes, gradually eliminating gray cast iron pipes; small-diameter pipes (DN<300 ) Giving priority to plastic pipes and phasing out galvanized iron pipes.
4.4.3 Promote the application of advanced construction technologies such as water supply pipe connections and corrosion protection. Under normal circumstances, socket joints should adopt the flexible interface technology of rubber ring sealing, and the inner wall of metal pipes should be coated with cement mortar or resin. The welding and bonding pipelines should take into account the problem of expansion and contraction, and corresponding construction techniques should be adopted. Install a flexible interface, retractor, or U-shaped elbow at appropriate distances.
4.4.4 Encourage the development and application of pipeline inspection and maintenance decision support information technology. Encourage the construction of a decision support system with functions such as valve closing search, state simulation, accident analysis, and decision dispatching on the basis of building a GIS system for pipeline networks, and provide decision support for leak detection and overhaul of pipeline networks.

4.5 Water Saving Technology for Public Water Supply Enterprises Water saving for urban public water supply enterprises is mainly backwash water reuse. The reuse of backwash water combines the dual effects of urban water conservation and water environmental protection.
4.5.1 New water supply projects for the construction and expansion of surface water as raw water shall promote the reuse of backwash water technology, select new filter technology with strong ability to intercept sewage, and build backwash water reuse settling basins, and adopt backwash effect. Good, backwash water and water backwash technology.
4.5.2 In reconstructing water supply projects, advanced backflushing technology shall be actively adopted, and the structure of the backwashing system shall be reformed and strengthened, and appropriate backflushing methods shall be adopted to improve the filter backwashing regeneration function. Prior to 2008 to eliminate high-intensity water backwash technology.

4.6 Water Saving Technologies for Public Buildings With the rapid development of urbanization and service industries, the demand for public building water will increase, and air-conditioning systems should be used as one of the key points for water saving in public buildings.
4.6.1 Popularize circulating cooling technology for air conditioning in public buildings. The public building air conditioning should adopt the circulating cooling water system, the cooling water circulation rate should reach above 98%, and the open system cooling water concentration multiple should be no less than 3. The circulating cooling water system can use the open or closed circulating cooling water system according to the specific conditions.
4.6.2 Promote the application of anti-corrosion, scale inhibition, and anti-microbial treatment technologies for air conditioning circulating cooling water systems.
4.6.3 Encourage the use of air cooling technology.
4.6.4 Promote the application of boiler steam condensate recycling technology. Promote the use of closed condensate recovery systems, heat pump condensate recovery systems, compressors recovery of waste steam systems, constant temperature pressure return water, etc.; indirect use of steam steam condensate recovery rate shall not be less than 85%; development of recycling equipment corrosion Treatment and water quality monitoring techniques.

4.7 Water Saving Technology for Municipal Environment The proportion of urban environmental water use in urban water has gradually increased. Encourage the combination of water-saving technologies for engineering and biological water-saving technologies and water-saving management to promote water conservation in the municipal environment.
4.7.1 Develop green water-saving technologies. The development of biological water-saving technologies, the promotion of planting drought-tolerant plants, and the use of non-full irrigation methods for irrigation operations; green water should be given priority to the use of reclaimed water; the use of non-reclaimed water, should use sprinkler irrigation, micro-spraying, drip irrigation and other water-saving irrigation technology, Irrigation equipment can be used to lift irrigation sprinkler irrigation equipment, drip irrigation pipe, micro sprinkler, drip irrigation belt and so on.
4.7.2 Development of Landscape Water Recycling Technology.
4.7.3 Promote swimming pool water recycling technology.
4.7.4 Develop motor vehicle water saving technologies.
Promote the use of car wash water recycling technology; promote the use of high-pressure spray guns, computer-controlled car wash and micro-water washing and other water-saving operating techniques. Research and development of environmentally friendly waterless car wash technology.
4.7.5 Vigorously develop flush-free environmental protection public toilet facilities and other water-saving public toilet technologies.

4.8 Urban water-saving information technology Water-saving information technology can achieve the sharing of water-saving information resources and improve the scientific decision-making of water-saving, which is of great significance for strengthening water-saving management.
4.8.1 Develop GIS application technologies.
Encourage the development of water-saving information systems based on GIS technology to provide basic guarantees for the realization of water-saving information management in cities.
4.8.2 Development of water saving information acquisition and transmission and professional database technology. Develop water-saving information network infrastructure platform, water-saving information management system and professional database technology to strengthen and standardize water-saving management and guide the development of water-saving technologies in cities.

5. Safeguard measures for the development of water-saving technologies Improve laws and regulations, establish incentive and restraint mechanisms, and improve technical service systems to promote the development and application of water-saving technologies.

5.1 Strengthening Water Conservation Legal System Construction and Administration
5.1.1 Based on laws such as the "Water Law of the People's Republic of China" and the "Clean Production Law of the People's Republic of China", research and formulate laws and standards related to the promotion of water-saving technology development.
5.1.2 In the preparation of the “Eleventh Five-Year” development plan and special plan, the state and local governments will place water-saving technological progress on an important position.
5.1.3 The research and development of key water-saving technologies should be included in the Outline of the National Medium and Long-Term Scientific and Technological Development Plan and related national science and technology development plans.
5.1.4 The State regularly publishes the “Catalogue of Outdated Highly Water-Efficient Processes and Equipment (Products)” and “Encourage the Use of Water-Saving Technologies and Equipment (Products) Catalogue”.

5.2 Establish incentive and restraint mechanisms for developing water saving technologies
5.2.1 The national and local governments should pay attention to the development, demonstration and promotion of key technologies for water conservation, and provide the necessary financial support.
5.2.2 For products produced using wastewater (liquid) as raw materials, if they conform to the "Resources Comprehensive Utilization Catalogue (Revised in 2003)", they may enjoy the policy of income tax relief according to relevant state regulations.
5.2.3 Encourage the development of non-conventional water resources utilization industries such as recycling of wastewater, utilization of seawater and brackish water. Recycling water production enterprises and enterprises that use seawater to produce fresh water enjoy preferential policies of the country.
5.2.4 For equipment listed in the catalogue of water saving technologies and equipment encouraged by the State, tax incentives shall be granted in accordance with the relevant provisions of the State.
5.2.5 The water conservation projects implemented by the national, local governments, and enterprise organizations should give priority to the water conservation technologies, technologies and equipment recommended in the Outline. For some major projects, state and local governments should provide financial support for subsidies.
5.2.6 Guiding social investment in water-saving projects, in particular guiding financial institutions to provide loan support for key water-saving projects. Encourage multi-channel financing and increase investment in water-saving technological innovation and water-saving projects.
5.2.7 Establish a water price mechanism that fully reflects China’s water scarcity and focuses on water conservation and rational allocation of water resources, improvement of water use efficiency, and promotion of sustainable use of water resources. We will expand the scope of collection of water resources fees and appropriately increase the collection standards. Gradually increase the water price for water conservancy projects, give priority to raising the collection standards for urban sewage treatment fees, and reasonably determine the price of recycled water. We will vigorously implement a scientific and reasonable water price system such as stepped water prices, over-planned over-quota water intake and fare increase.
5.2.8 The “three-simultaneous, four-in-place” system shall be implemented for newly built, expanded and reconstructed projects (ie the water-saving facilities must be designed, constructed and put into operation at the same time as the main project. The water users must have a water plan in place and a water saving goal. In the process of putting in place, implementing water conservation measures and putting the water management system in place, the water conservation technology recommended in the “Outline” should be actively adopted.
5.2.9 Establish and improve the total water consumption control and quota management system. Based on the characteristics of the industry and region, we will establish an assessment, evaluation, and management system centered on water quotas.
5.2.10 Strengthen the supervision and inspection of the implementation status of water quotas for key water use units, new water-saving technologies, promotion and use of new products, and elimination of outdated processes, technologies, and equipment for high water consumption that the country has explicitly eliminated. Newly-built water projects (projects) shall not use this “Outline” and the backward technology, equipment, and equipment that are explicitly eliminated by the state.
5.2.11 Establish a certification system for water-saving products and standardize the market for water-saving products.

5.3 Establish and improve water-saving technology research and development and extension service system
5.3.1 Strengthen the water saving technology innovation system.
Establish a water saving key laboratory and engineering technology center to speed up the research and development of water saving technology.
5.3.2 Strengthen the promotion of water-saving technology extension service system. Organize technical exchanges, technology promotion, technical consultation, information release, publicity and training activities. 5.3.3 Strengthen the construction of a water saving standard system. Establish and improve the water quota standard system, improve water-saving foundation standards, water-saving assessment standards, water-saving facilities and product standards, and water-saving technical specifications.
5.3.4 Actively promote international exchanges and cooperation in water-saving technologies, introduce and digest foreign advanced water-saving technologies, and accelerate the development of water-saving technologies and products with independent intellectual property rights.
5.3.5 Carry out water-saving propaganda and education activities. Take various effective forms, carry out science popularization of water-saving technologies, and accelerate the promotion of water-saving technologies.

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