CAPILLARY EXCHANGER

摘要

1278504 Diffusion membranes; dialysis apparatus CIBA-GEIGY AG 6 June 1969 [8 June 1968] 28828/69 Headings BIB and B1X [Also in Division B5] A membrane exchanger which may be used for dialysis, reverse osmosis, refrigeration, sterilisation, distillation, e.g. vacuum-multiflash desalination, or electrodialysis, comprises capillary tubes 201 arranged parallel to each other and to the casing 221, the tubes having at or near their ends auxiliary coatings 234 which are bonded by cast material 240 to form separating walls. The capillory tubes which carry fluid F 1 are individually surrounded by tubular channels 206 which are narrowed at their ends 206a, 206b to slow down flow of fluid F 2 therethrough and assist exchange.