专利汇可以提供Prepurification of coke oven gas专利检索,专利查询,专利分析的服务。并且PURPOSE: To efficiently prepurify coke oven gas by purifying the coke oven gas using both a first guard head 1 contg. an adsorbent such as coke and a second guard head contg. active carbon, etc. in prepurification before hydrogen is recovered from the coke oven gas.
CONSTITUTION: Coke oven gas 1 contg. impurities such as a sulfur compd. ammonia, and a tarry material is pressurized by a compressor 2 and introduced into a first guard head 3 filled with cheap adsorbent such as coke, semicoke or char, to remove the impurities to some extent by adsorption. Then, it is introduced into a second guard head 4 filled with at least one relatively expensive adsorbent such as active carbon, zeolite, silica gel or alumina gel to completely remove the impurities by adsorption. The coke oven gas removed from the impurities is transferred to a deep-freeze separator or adsorption separator 5, where carbon monoxide, light hydrocarbon, nitrogen, oxygen, etc. are removed, and the purpose hydrogen is recovered.
COPYRIGHT: (C)1983,JPO&Japio,下面是Prepurification of coke oven gas专利的具体信息内容。
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