At present,most air separation units for the coal-chemical industry in our north-west area have no argon prod-uct.Some air separation units have a fake argon column,the crude argon is warmed in heat exchanger and blown off,the crude argon has not been recovered.Based on the specific case,this paper proposes three solutions for argon revamping.Through the comparison of the initial equipment investment and operating cost,a more economical solution is selected,which can not only optimize the operating cost,but also yield the liquid argon,and achieve remarkable economic benefits.
维普
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