Spherical zinc oxide desulfurizer

With the continuous depletion of China's resources, the raw materials used in chemical products using coal and petroleum as raw materials are becoming more and more inferior, making the chemical production process more and more difficult. In order to improve economic efficiency, high-sulfur oil and coalification are used in the refining industry. High sulfur coal is used in the industry. In this way, the sulfur and nitrogen contents in oil products and coal products are getting higher and higher, which seriously affects the quality of the products. In order to improve the quality of the products, it is necessary to remove sulfur in the raw materials in the production process. The most effective and economical way to remove sulfur from the feed gas is to use a solid desulfurizer. Zinc oxide desulfurizer is a kind of solid desulfurizer. With the acceleration of national economic construction, the use of inferior raw materials will also increase. Then the consumption of zinc oxide desulfurizer will increase. Therefore, the product has a strong market vitality.

Zinc oxide desulfurizer is widely used in the purification of industrial raw materials (oil) such as ammonia, hydrogen, methanol, coal chemical, petroleum refining and petrochemical. The zinc oxide reacts with the sulfide to form a very stable zinc sulfide, and the sulfur content of various raw material gases (oils) treated by the desulfurizing agent can be reduced to less than 0.1 ppm . More complex composition containing an organic sulfide feed gas (oil), zinc oxide desulfurization agent may be used in combination with the reforming catalyst cobalt-molybdenum hydrogenation, also the outlet sulfur content to less 0.1PPm. Therefore, there is a broad market prospect. At present, the domestic market demand is 4,000 tons / year. In recent years, the market growth rate of zinc oxide desulfurizer is about 8 %. The CT140 type desulfurizer is specially developed for the Japanese market. It is mainly exported to Japan. It is estimated to be 100 tons per year .

Nanjing Silver Lead Zinc Mining Co., Ltd. is a company with zinc mineral resources, and have developed a zinc calcine, active zinc oxide products, while zinc oxide is zinc oxide desulfurizer subsequent processing products, as soon as possible in order to achieve industrialization, 2003 In the year, the company organized relevant technical personnel to complete the design and production design of zinc oxide desulfurizer, and invested 5 million yuan to build a production line with an annual production capacity of 500 tons.

The main technical feature of the production line process is the use of ammonia complexation, the production of ultra-fine zinc oxide to extract the desulfurizer, the most critical technology is the product formulation of different use requirements, the most critical process is the spheroidization technology. The product has low use temperature, high spheroidization coefficient and large sulfur capacity, thereby saving energy and reducing operating costs for industrial use.

Desulfurization agent physical and chemical indicators

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