CO gas preparation process
A process and process gas technology, applied in the field of CO gas refining process, can solve the problems of lower efficiency, difficult desulfurization treatment, high cost, etc.
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[0045] A side-line test device is established in the crude gas purification workshop, which mainly carries out the key step of removing sulfide in CO gas.
[0046] The crude gas comes from the gas production workshop, and is produced from coke, carbon dioxide and oxygen in the gas furnace. The by-product steam of the waste boiler is cooled down, and then further cooled to 30-40 ℃ by the circulating water heat exchanger, and the tar and dust impurities are removed by the electric tar remover, and the gas volume is 5000-6000Nm 3 / h, gauge pressure 10-15kPa; basic composition (volume content) of crude gas is CO 68%, CO 2 29%, O 2 0.20%, H 2 1.2%, H 2 S0.07%, COS0.16%, CS 2 0.003%, H 2 O 0.8%, and traces of HCl, HCN, NOx, SO 3 and AsH 3 , PH 3 .
[0047] The side line test device mainly includes a 50L protective agent tank, a heater, a 100L hydrolysis desulfurization tower, and a 50L regeneration condenser (water cooling, coil area 3m) connected in sequence along the airf...
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