Patent ID: 7326283
Filing Date: 2008-02-05
Classification: B01D,C02F

Abstract:
1. A mass or heat transfer apparatus for transferring a substance or heat from a first fluid to a second fluid, comprising: a) a rotatable permeable element disposed within a chamber the rotatable permeable element, as a whole, having a porosity of less than about 40 pores inch, the rotatable permeable element defining an inner diameter and an interior region, the apparatus being structured to drive the rotatable permeable element such that the tangential velocity at its inner diameter is at least about 18 meters per second; b) at least one liquid inlet for introducing the first fluid into the interior region; c) at least one gas inlet for introducing the second fluid into the chamber; d) at least one gas outlet for removing the second fluid from the interior region and; e) at least one liquid outlet for removing the first fluid from the chamber.