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Title:
METHOD OF EVAPORATION TREATMENT OF AQUEOUS SOLUTION
Document Type and Number:
Japanese Patent JP2015013268
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of evaporation treatment of an aqueous solution which allows an efficient evaporation treatment of an aqueous solution containing silica.SOLUTION: A method of an evaporation treatment of an aqueous solution includes a seed crystal mixing step of adding a silicate to an aqueous solution containing silica as a seed crystal and mixing and an evaporation concentration step of concentrating the aqueous solution, together with the seed crystal, by evaporation. The silicate is preferably magnesium silicate and/or calcium silicate.

Inventors:
MIZUTANI JUNJI
FUJIMOTO HIROMI
TAGUCHI TATSUYA
Application Number:
JP2013142346A
Publication Date:
January 22, 2015
Filing Date:
July 08, 2013
Export Citation:
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Assignee:
SASAKURA ENG CO LTD
International Classes:
C02F1/04; B01D9/02
Domestic Patent References:
JP2000126755A2000-05-09
JP2003172593A2003-06-20
JPH0724475A1995-01-27
JP2001047032A2001-02-20
JPS6142390A1986-02-28
JP2012148210A2012-08-09
JPH08276191A1996-10-22
JPS49109267A1974-10-17
JP2001092863A2001-04-06
JP2000159654A2000-06-13
Foreign References:
US6761865B12004-07-13
WO2012008013A12012-01-19
US20100038081A12010-02-18
Attorney, Agent or Firm:
Patent business corporation アローレ International



 
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