Most of commercial helium is recovered from natural gas through a cryogenic separation process.
大多数商用氦是通过一种低温分离过程从天然气中回收的。
Research on the Dehydration Process of Molecular Sieve with Circulating Heat Exchange Technology for Energy Conservation in Cryogenic Separation Unit of Natural Gas
天然气深冷处理装置分子筛循环换热节能脱水工艺研究
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