C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
161/20
C02F 1/04 (2006.01) B01D 1/26 (2006.01) B01D 3/00 (2006.01) B01D 3/10 (2006.01) B01D 3/42 (2006.01) B01D 5/00 (2006.01) G03C 5/395 (2006.01) C02F 1/28 (2006.01)
Patent
CA 1330527
Abstract: Method of treating photographic process waste liquor through concentration by evaporation and apparatus therefor Disclosed are a method of treating photographic process waste liquor through concentration by evaporation, comprising heating the photographic process waste liquor under reduced pressure of 610 mmHg or less, an apparatus therefor, a method of treating photographic process waste liquor through concentration by evaporation, comprising heating under reduced pressure an upper part of photographic process waste liquor to concentrate by evaporation the photographic process waste liquor in such a manner that a difference in temperature may be given between the temperature of the photographic process waste liquor in the vicinity of the heated part and the temperature at a bottom part of the photographic process waste liquor, and causing a solute in the photographic process waste liquor to settle, and an apparatus therefor.
554512
Goto Nobutaka
Kobayashi Kazuhiro
Koboshi Shigeharu
Kurematsu Masayuki
Takabayashi Naoki
Konica Corporation
Swabey Ogilvy Renault
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