| 摘要 |
PCT No. PCT/GB88/00736 Sec. 371 Date Jun. 19, 1989 Sec. 102(e) Date Jun. 19, 1989 PCT Filed Sep. 7, 1988 PCT Pub. No. WO89/02447 PCT Pub. Date Mar. 23, 1989.An apparatus and method for drying a wet gas. The apparatus has a chamber with an inlet port (14) for entry of the wet gas, and an outlet port (15) for exit of the dried sample of the wet gas. The chamber has a water-vapour permeable membrane (11) for separating at least a portion of wet gas from a drying agent adapted to operate at temperatures up to 100 DEG C. and comprises a perflurocarbon polymer with lithium sulphate groups covalently bonded to at least a portion of the carbon skeleton.
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