B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/14 (2006.01) B01D 37/03 (2006.01) B01D 61/16 (2006.01) B01D 61/18 (2006.01) B01D 65/02 (2006.01) B01D 65/06 (2006.01) B01J 47/00 (2006.01)
Patent
CA 2091296
ABSTRACT OF THE DISCLOSURE A brine recycling method wherein the used brine containing metal ions is added with a reaction agent to provide agent-added brine. The reaction agent is of a kind which, when it is reacted with the metal ions produces an insoluble substance, excluding an oxidant which, when reacted with oxygen, produces metal oxide. The agent-added brine is subsequently filtrated with the use of a microporous filtration membrane having an average pore size within the range of 0.005 to 1 µm. A brine recycling apparatus is also disclosed which includes a filter module containing a filtration membrane having an average pore size within the range of 0.005 to 1 µm. The used brine is, after having been added with the reaction agent, supplied through a supply passage into the filter module. The filtrate is then removed from the filter module through a recovery passage.
Fujiwara Yoshio
Kawahashi Masaru
Mizutani Kaoru
Mizutani Masumi
Kirby Eades Gale Baker
Kuraray Co. Ltd.
Showa Water Industries Co. Ltd.
Tokiwa Co. Ltd.
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