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US5557951A Process and apparatus for recovery and purification of argon from a cryogenic air separation unit 失效
从低温空气分离装置回收和纯化氩气的方法和装置

Process and apparatus for recovery and purification of argon from a
cryogenic air separation unit
摘要:
This invention relates to a process and apparatus for producing high purity product grade argon from an argon-containing stream using a cryogenic argon column in combination with a solid electrolyte ionic or mixed conductor membrane.
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