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栲胶+PDS脱硫在7.63m焦炉煤气净化中的应用

Application of Tannin Extract and PDS for Purifying COG from 7.63m Coke Ovens
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摘要 针对兖矿国际焦化公司7.63m焦炉煤气净化采用氨硫循环洗涤净化装置,存在焦炉气质量差、杂质超标,NHD脱硫不正常,无法满足甲醇生产要求的问题,通过技改在氨硫循环洗涤流程后串联栲胶脱硫,成功解决了困扰甲醇生产的难题,并对新增栲胶脱硫部分的工艺、流程、设计参数及生产控制要点等进行了介绍。改造后的焦炉气制甲醇装置实现了稳定、高效生产。 Tannin extract desulfurization is an effective method for purifying coke-oven gas.It has been widely used in China and has achieved notable effect.Tannin extract desulfurization is a technical revamping project in our company.The paper expatiates the mechanism of tannin extract desulfurization and its application in purifying COG from the 7.63m coke-ovens.After purification,the COG can be used to produce methanol.Without this process,the COG quality can not meet the requirements for methanol production.Through technical revamping by introducing the tannin extract and PDS purification process,the gas purity is improved,and methanol production becomes stable and reliable.
出处 《煤化工》 CAS 2009年第3期40-43,共4页 Coal Chemical Industry
关键词 焦炉煤气 栲胶+PDS 脱硫 净化 COG(coke-oven gas),tannin extract and PDS,desulfurization
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