Patent ID: 6497111
Filing Date: 2002-12-24
Classification: B01D,F24F,F28C,F28D,Y02A,Y10T

Abstract:
Method for evaporating liquid, in which a hollow cylindrical drum (1), which is arranged in a housing (2) and has a drum wall (3) which comprise a liquid-absorbent material, is rotated about its cylinder axis (4) which is arranged substantially horizontally, the drum (1) being immersed in the liquid (6) to be evaporated over part of its circumference, which liquid is situated in a trough (5) which is arranged at the circumference of the drum (1), while a gas which takes up the evaporated liquid (6) is conveyed in contact with the liquid-absorbent material, wherein the liquid-absorbent material delimits a large number of passages (8) which extend across the thickness of the drum wall (3) and the gas is conveyed through these passages (8).