| 摘要 |
PCT No. PCT/EP93/00623 Sec. 371 Date Dec. 14, 1994 Sec. 102(e) Date Dec. 14, 1994 PCT Filed Mar. 17, 1993 PCT Pub. No. WO93/19336 PCT Pub. Date Sep. 30, 1993In the process for the low temperature separation of air, purified and cooled air is fed into a distillation system comprising at least one rectification column and there is rectified by a counter-current material exchange between a vapor and a liquid phase. The material exchange in at least one section in at least one rectification column is brought about by a packing having a specific surface area of at least 1000 m2/m3. |
