| 摘要 |
PCT No. PCT/DK97/00356 Sec. 371 Date May 4, 1999 Sec. 102(e) Date May 4, 1999 PCT Filed Sep. 1, 1997 PCT Pub. No. WO98/09700 PCT Pub. Date Mar. 12, 1998In a process and an apparatus (1) for spray drying or spray cooling of the so-called Filtermat TM type, a more uniform product layer (7) is achieved by collecting and/or treating the product on a screen means (8, 14, 19) providing a pressure difference being at least 1.5, preferably from 1.5 to 30 and particularly from about 2 to about 20 times that provided by the product layer, when collected.
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