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The desulfurization solution used only includes absorbent and 888 desulfurization catalyst, and the influencing factors on the desulfurization process are simple and easy to adjust; the catalyst activity is good, the amount is small, and the consumption is low. Usually, only 1 kg of H2S is consumed and only 888 desulfurization catalyst is consumed. 0.5g to 0.9g is the leading advanced technology in China.
The technology can be used for conventional desulfurization with H2S content less than 3g/standard cubic meter, and also for high-concentration desulfurization with H2S content of 3g~50g/standard cubic meter, with high desulfurization efficiency; it can remove inorganic sulfur, but also Removal of organic sulfur from 50% to 80%; can reduce exhaust emissions, reduce exhaust emissions by more than 1/3 compared to other wet oxidation methods; have the function of suppressing and eliminating sulfur plugging towers; less side reactions, low soda consumption, sulfur High recovery rate and low desulfurization cost; wide requirements for process equipment, large sulfur particles for flotation, low viscosity, easy separation, and low sulfur content in solution.
The 888 desulfurization technology has a wide range of applications and can be used in coke oven gas desulfurization in the coking industry, desulfurization of city gas, desulfurization of synthesis gas to produce synthesis gas, desulfurization of methanol production synthesis gas, desulfuration of natural gas, desulfurization of waste from municipal waste treatment, and pharmaceutical plants. Biogas desulfurization and so on. At present, this technology has been successfully used in Shouguang Union Chemicals Co., Ltd., Shandong Ruixing Chemical Group, Henan Zhumadian Junma Group, Guizhou Kaizu Group Duyun Nitrogen Fertilizer Factory, Anhui Wuyuan Chemical Industry Co., Ltd., Fujian Sanming Chemical Industry Co., Ltd. Synthetic Ammonia Plant, Shaanxi Huashan Chemical Industry Co., Ltd., Hunan Xiangjiang Nitrogen Fertilizer Plant, Zhejiang Haining Chemical Fertilizer Plant, Sichuan Weiyuan Fertilizer Plant, Shanxi Fengxi Group and more than 1,000 domestic companies.
888 desulfurization technology benefits
The 888 desulfurization technology developed by Changchun Dongshi Electronics Co., Ltd. is a wet oxidation desulfurization technology. The basic principle and key technology is to use 888 desulfurization catalyst to carry out the redox reaction in the liquid phase, so that the H2S absorbed by the weak alkaline solution is oxidized to elemental sulfur and precipitated. The 888 desulfurization catalyst used in this technology can adsorb oxygen and activate it with strong oxidizing power.