Method and apparatus for distillation of crude water

Details Method and apparatus for distillation of crude water Method and apparatus for distillation of crude water

B - Operations, Transporting

01

D

202/83

B01D 1/14 (2006.01) B01D 3/00 (2006.01) B01D 5/00 (2006.01) C02F 1/04 (2006.01)

Patent

CA 1095454

ABSTRACT Demineralized crude water is distilled during flow along first t path which is defined by sationary parts. Such water is evaporated and thereafter cooled and condensed by heat transfer medium which is circulated along an endless second path. Evapora- tion of crude water results in condensation of the medium, and con- densation of resulting water vapors into distillate results in evap- oration of the medium. The medium is caused to pass through a heat pump which raises its pressure and temperature before the thus heat- ed medium exchanges heat with and evaporates crude water in the first path. The medium and/or the distillate can be used for pre- heating crude water upstream of the evaporting station, and the vapors are preferably purified by one or more cyclones, by an elec- trostatic filter and/or by ultrasonic waves intermediate the avap- orating and condensing stations. - 1 -

269121

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