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'A CRYOGENIC RECTIFICATION METHOD AND APPARATUS FOR PRODUCING LOWER PURITY OXYGEN'
'A CRYOGENIC RECTIFICATION METHOD AND APPARATUS FOR PRODUCING LOWER PURITY OXYGEN'
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机译:“一种生产低纯氧的低温整流方法和装置”
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摘要
pA cryogenic rectification system employing a double column and an auxiliary side column in which product lower purity oxygen is produced wherein the side column is driven by condensing compressed feed air enabling the system to operate with lower head pressure and thus lower operating costs./p[US5463871A]
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