ATE129429T1 - Verfahren zur steuerung eines in einem elektrodialytischen wasserzersetzer zu behandelnden salzstromes. - Google Patents

Verfahren zur steuerung eines in einem elektrodialytischen wasserzersetzer zu behandelnden salzstromes.

Info

Publication number
ATE129429T1
ATE129429T1 AT90905973T AT90905973T ATE129429T1 AT E129429 T1 ATE129429 T1 AT E129429T1 AT 90905973 T AT90905973 T AT 90905973T AT 90905973 T AT90905973 T AT 90905973T AT E129429 T1 ATE129429 T1 AT E129429T1
Authority
AT
Austria
Prior art keywords
stream
salt
treated
concentration
controlling
Prior art date
Application number
AT90905973T
Other languages
English (en)
Inventor
Krishnamurthy Nagasubrama Mani
Original Assignee
Graver Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Graver Co filed Critical Graver Co
Application granted granted Critical
Publication of ATE129429T1 publication Critical patent/ATE129429T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
AT90905973T 1989-04-06 1990-04-03 Verfahren zur steuerung eines in einem elektrodialytischen wasserzersetzer zu behandelnden salzstromes. ATE129429T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/335,171 US4995956A (en) 1989-04-06 1989-04-06 Method and apparatus to control a salt stream to be treated in an electrodialytic water splitter

Publications (1)

Publication Number Publication Date
ATE129429T1 true ATE129429T1 (de) 1995-11-15

Family

ID=23310593

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90905973T ATE129429T1 (de) 1989-04-06 1990-04-03 Verfahren zur steuerung eines in einem elektrodialytischen wasserzersetzer zu behandelnden salzstromes.

Country Status (7)

Country Link
US (1) US4995956A (de)
EP (1) EP0466775B1 (de)
AT (1) ATE129429T1 (de)
AU (1) AU633075B2 (de)
CA (1) CA2051664A1 (de)
DE (1) DE69023233T2 (de)
WO (1) WO1990011819A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995956A (en) * 1989-04-06 1991-02-26 Allied-Signal Inc. Method and apparatus to control a salt stream to be treated in an electrodialytic water splitter
US5248397A (en) * 1990-02-06 1993-09-28 Olin Corporation Chlorine dioxide generation from chloric acid - alkali metal chlorate mixtures
US5352345A (en) * 1991-05-07 1994-10-04 Alliedsignal Inc. Ion exchange resin regenerant waste recovery and recycling via bipolar membranes
FR2720061B1 (fr) * 1994-05-20 1996-08-02 Rhone Poulenc Chimie Procédé de valorisation d'un effluent liquide acide contenant des métaux lourds.
US5716512A (en) * 1995-05-10 1998-02-10 Vaughan; Daniel J. Method for manufacturing salts of metals
JPH10291808A (ja) * 1997-04-16 1998-11-04 Permelec Electrode Ltd 過酸化水素水の製造方法及び装置
US7476311B2 (en) * 2001-09-26 2009-01-13 Wrt International Llc Arsenic removal from aqueous media using chemically treated zeolite materials
US9908788B1 (en) 2001-09-26 2018-03-06 Wrt International Llc Radium removal from aqueous media using zeolite materials
US7108784B1 (en) * 2001-09-26 2006-09-19 Wrt International Llc Apparatus for removal and destruction of ammonia from an aqueous medium
US7105087B2 (en) * 2002-09-17 2006-09-12 Wrt International Llc Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials
US7390414B2 (en) * 2002-09-25 2008-06-24 Wrt International Llc Regeneration of chemically treated zeolite
US7371229B2 (en) * 2003-01-28 2008-05-13 Felix Theeuwes Dual electrode advanced electrochemical delivery system
US7326347B2 (en) * 2003-10-29 2008-02-05 Wrt International Llc Dynamic up-flow zeolite system and method
US6998054B2 (en) * 2003-12-31 2006-02-14 The Boc Group, Inc. Selective fluoride and ammonia removal by chromatographic separation of wastewater
US20070215552A1 (en) * 2005-09-16 2007-09-20 Wrt International Llc. Systems and methods for removal of contaminates from an aqueous media in the absence of modified nitrate levels
US7520987B1 (en) 2005-11-15 2009-04-21 Wrt International Llc System and apparatus for purging absorptive materials used in the removal of contaminates from an aqueous medium
US8663479B2 (en) * 2006-11-20 2014-03-04 Wrt International Llc Method for removing cationic contaminants from water using natural zeolite underloaded with transition metal ions to limit leakage of intrinsic arsenic therefrom
US8535502B2 (en) * 2008-09-08 2013-09-17 Palo Alto Research Center Incorporated System and method for recovery of CO2 by aqueous carbonate flue gas capture and high efficiency bipolar membrane electrodialysis
JP6139240B2 (ja) * 2013-04-19 2017-05-31 株式会社東芝 洗浄用酸の再生方法及びその装置
CN114409032B (zh) * 2022-02-18 2023-11-03 自然资源部天津海水淡化与综合利用研究所 一种高盐污水预处理系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082835A (en) * 1975-06-27 1978-04-04 Allied Chemical Corporation Removal of SO2 from gases
US4107015A (en) * 1977-07-18 1978-08-15 Allied Chemical Corporation Method for removal of SO2 from gases
US4253928A (en) * 1979-10-04 1981-03-03 Shell Oil Company Process for sour water treatment
US4775480A (en) * 1983-10-18 1988-10-04 Gnb Incorporated Membrane processes for treatment of and recovery of components from kraft black liquors
EP0220202B1 (de) * 1985-05-03 1990-04-11 AlliedSignal Inc. Gewinnung gemischter säuren aus gemischtem salz
GB2185248B (en) * 1986-01-09 1989-10-25 Allied Corp Recovery of titanium dioxide from ilmenite-type ores
US4738764A (en) * 1986-06-02 1988-04-19 Allied Corporation Electrodialysis membranes comprising sulfonated constituents
US4880513A (en) * 1986-06-20 1989-11-14 The Graver Company Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins
US4740281A (en) * 1986-10-14 1988-04-26 Allied Corporation Recovery of acids from materials comprising acid and salt
US4995956A (en) * 1989-04-06 1991-02-26 Allied-Signal Inc. Method and apparatus to control a salt stream to be treated in an electrodialytic water splitter

Also Published As

Publication number Publication date
DE69023233T2 (de) 1996-04-04
AU633075B2 (en) 1993-01-21
AU5412590A (en) 1990-11-05
WO1990011819A1 (en) 1990-10-18
EP0466775A1 (de) 1992-01-22
US4995956A (en) 1991-02-26
CA2051664A1 (en) 1990-10-07
EP0466775B1 (de) 1995-10-25
DE69023233D1 (de) 1995-11-30

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