CA2779656A1 - Processus hybride d'electrodialyse-distillatin pour la recuperation de solvant de dimethylsulfoxide (dmso) a partir d'un effluent industriel - Google Patents

Processus hybride d'electrodialyse-distillatin pour la recuperation de solvant de dimethylsulfoxide (dmso) a partir d'un effluent industriel Download PDF

Info

Publication number: CA2779656A1
Authority: CA; Canada
Prior art keywords: dmso; diluate; conductivity; solution; mscm
Prior art date: 2009-11-04
Legal status (The legal status 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 status listed.): Granted

Application number

CA2779656A

Other languages

English (en)

Other versions

CA2779656C (fr

Inventor

Potulapally Ramalu Cheekapally

Venkata Lakshmi Ravikumar Yerrapragada

Sreedhara Menon Raghunandanan Kunduvelil

Giridhara Chalapathi Rao Mannava

Sunitha Kammara

Vishwanadham Boinee

Sridhar Sundergopal

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Council of Scientific and Industrial Research CSIR

Original Assignee

Council of Scientific and Industrial Research CSIR

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.)

2009-11-04

Filing date

2010-10-29

Publication date

2011-05-12

2010-10-29 Application filed by Council of Scientific and Industrial Research CSIR filed Critical Council of Scientific and Industrial Research CSIR

2011-05-12 Publication of CA2779656A1 publication Critical patent/CA2779656A1/fr

2018-01-02 Application granted granted Critical

2018-01-02 Publication of CA2779656C publication Critical patent/CA2779656C/fr

Status Expired - Fee Related legal-status Critical Current

2030-10-29 Anticipated expiration legal-status Critical

Links

IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 title claims abstract description 225
238000000034 method Methods 0.000 title claims abstract description 97
230000008569 process Effects 0.000 title claims abstract description 81
238000011084 recovery Methods 0.000 title claims abstract description 28
239000003295 industrial effluent Substances 0.000 title claims abstract description 15
238000004821 distillation Methods 0.000 title claims description 98
239000002904 solvent Substances 0.000 title abstract description 12
238000000909 electrodialysis Methods 0.000 claims abstract description 74
PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 claims abstract description 36
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 19
239000000126 substance Substances 0.000 claims abstract description 11
235000019270 ammonium chloride Nutrition 0.000 claims abstract description 10
239000007787 solid Substances 0.000 claims abstract description 9
239000012535 impurity Substances 0.000 claims abstract description 6
239000000243 solution Substances 0.000 claims description 111
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
235000002639 sodium chloride Nutrition 0.000 claims description 52
239000012141 concentrate Substances 0.000 claims description 45
239000012528 membrane Substances 0.000 claims description 37
238000010992 reflux Methods 0.000 claims description 35
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 13
239000007864 aqueous solution Substances 0.000 claims description 10
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
239000011780 sodium chloride Substances 0.000 claims description 8
239000008399 tap water Substances 0.000 claims description 8
235000020679 tap water Nutrition 0.000 claims description 8
150000002894 organic compounds Chemical class 0.000 claims description 6
239000003792 electrolyte Substances 0.000 claims description 5
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 5
150000003839 salts Chemical class 0.000 abstract description 43
239000003011 anion exchange membrane Substances 0.000 abstract description 12
150000001768 cations Chemical class 0.000 abstract description 11
238000004519 manufacturing process Methods 0.000 abstract description 7
230000009467 reduction Effects 0.000 abstract description 6
239000003010 cation ion exchange membrane Substances 0.000 abstract description 5
238000005292 vacuum distillation Methods 0.000 abstract description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
229940079593 drug Drugs 0.000 abstract description 2
239000003814 drug Substances 0.000 abstract description 2
231100001261 hazardous Toxicity 0.000 abstract description 2
239000001301 oxygen Substances 0.000 abstract description 2
229910052760 oxygen Inorganic materials 0.000 abstract description 2
230000000798 anti-retroviral effect Effects 0.000 abstract 1
238000004880 explosion Methods 0.000 abstract 1
239000002351 wastewater Substances 0.000 abstract 1
238000002474 experimental method Methods 0.000 description 30
PGXWDLGWMQIXDT-UHFFFAOYSA-N methylsulfinylmethane;hydrate Chemical compound O.CS(C)=O PGXWDLGWMQIXDT-UHFFFAOYSA-N 0.000 description 14
239000000203 mixture Substances 0.000 description 14
150000002500 ions Chemical class 0.000 description 13
238000000926 separation method Methods 0.000 description 13
238000005341 cation exchange Methods 0.000 description 10
238000005303 weighing Methods 0.000 description 10
239000012527 feed solution Substances 0.000 description 9
239000000047 product Substances 0.000 description 7
150000001450 anions Chemical class 0.000 description 6
239000007788 liquid Substances 0.000 description 6
239000000463 material Substances 0.000 description 6
239000002253 acid Substances 0.000 description 5
230000007423 decrease Effects 0.000 description 5
238000012360 testing method Methods 0.000 description 5
238000012546 transfer Methods 0.000 description 5
KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 4
239000004141 Sodium laurylsulphate Substances 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
238000011033 desalting Methods 0.000 description 4
239000011521 glass Substances 0.000 description 4
229910052751 metal Inorganic materials 0.000 description 4
239000002184 metal Substances 0.000 description 4
235000019333 sodium laurylsulphate Nutrition 0.000 description 4
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
238000009835 boiling Methods 0.000 description 3
238000010586 diagram Methods 0.000 description 3
239000003085 diluting agent Substances 0.000 description 3
239000012153 distilled water Substances 0.000 description 3
239000007789 gas Substances 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
238000013508 migration Methods 0.000 description 3
238000012856 packing Methods 0.000 description 3
238000011045 prefiltration Methods 0.000 description 3
239000001488 sodium phosphate Substances 0.000 description 3
238000003860 storage Methods 0.000 description 3
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
229910000406 trisodium phosphate Inorganic materials 0.000 description 3
235000019801 trisodium phosphate Nutrition 0.000 description 3
KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
229910052783 alkali metal Inorganic materials 0.000 description 2
-1 alkali metal salts Chemical class 0.000 description 2
238000005349 anion exchange Methods 0.000 description 2
239000000919 ceramic Substances 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000004508 fractional distillation Methods 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
230000005012 migration Effects 0.000 description 2
235000010755 mineral Nutrition 0.000 description 2
239000011707 mineral Substances 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
230000035699 permeability Effects 0.000 description 2
229920000642 polymer Polymers 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
238000000746 purification Methods 0.000 description 2
230000000087 stabilizing effect Effects 0.000 description 2
BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 2
229910021653 sulphate ion Inorganic materials 0.000 description 2
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
102100026933 Myelin-associated neurite-outgrowth inhibitor Human genes 0.000 description 1
229920000557 Nafion® Polymers 0.000 description 1
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
108091006629 SLC13A2 Proteins 0.000 description 1
239000005862 Whey Substances 0.000 description 1
102000007544 Whey Proteins Human genes 0.000 description 1
108010046377 Whey Proteins Proteins 0.000 description 1
229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
150000001540 azides Chemical class 0.000 description 1
238000000998 batch distillation Methods 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001732 carboxylic acid derivatives Chemical group 0.000 description 1
239000012159 carrier gas Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
238000007865 diluting Methods 0.000 description 1
238000005108 dry cleaning Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000011049 filling Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000003014 ion exchange membrane Substances 0.000 description 1
239000011344 liquid material Substances 0.000 description 1
230000007774 longterm Effects 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
238000001728 nano-filtration Methods 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
230000010287 polarization Effects 0.000 description 1
230000007425 progressive decline Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000013535 sea water Substances 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000001577 simple distillation Methods 0.000 description 1
229910000342 sodium bisulfate Inorganic materials 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
230000009897 systematic effect Effects 0.000 description 1
239000012085 test solution Substances 0.000 description 1
239000003039 volatile agent Substances 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- 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
- 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
- B01D61/58—Multistep processes
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/06—Separation; Purification; Stabilisation; Use of additives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C317/00—Sulfones; Sulfoxides
- C07C317/02—Sulfones; Sulfoxides having sulfone or sulfoxide groups bound to acyclic carbon atoms
- C07C317/04—Sulfones; Sulfoxides having sulfone or sulfoxide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/06—Specific process operations in the permeate stream
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Water Supply & Treatment (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Urology & Nephrology (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Water Treatment By Electricity Or Magnetism (AREA)
Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Water Treatment By Sorption (AREA)

CA2779656A 2009-11-04 2010-10-29 Processus hybride d'electrodialyse-distillatin pour la recuperation de solvant de dimethylsulfoxide (dmso) a partir d'un effluent industriel Expired - Fee Related CA2779656C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
IN2268/DEL/2009		2009-11-04
IN2268DE2009		2009-11-04
PCT/IN2010/000708 WO2011055381A1 (fr)	2009-11-04	2010-10-29	Processus hybride d'électrodialyse-distillatin pour la récupération de solvant de diméthylsulfoxide (dmso) à partir d'un effluent industriel

Publications (2)

Publication Number	Publication Date
CA2779656A1 true CA2779656A1 (fr)	2011-05-12
CA2779656C CA2779656C (fr)	2018-01-02

Family

ID=43728745

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2779656A Expired - Fee Related CA2779656C (fr)	2009-11-04	2010-10-29	Processus hybride d'electrodialyse-distillatin pour la recuperation de solvant de dimethylsulfoxide (dmso) a partir d'un effluent industriel

Country Status (4)

Country	Link
JP (1)	JP5909190B2 (fr)
CA (1)	CA2779656C (fr)
GB (1)	GB2487515B (fr)
WO (1)	WO2011055381A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
UY35081A (es) *	2012-10-12	2014-05-30	Grains Res & Dev Corp	Refineria de aguas residuales
JP6266420B2 (ja) *	2013-04-24	2018-01-24	東レ・ファインケミカル株式会社	ジメチルスルホキシドの精製方法
EP3980149A4 (fr) *	2019-06-10	2023-02-08	Alliance for Sustainable Energy, LLC	Refroidissement et déshumidification intégrés basés sur des déshydratants
CN117902689B (zh) *	2024-01-22	2024-07-12	浙江宏电环保装备有限公司	一种从dmso废水制备msm的装置及工艺

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DE3315626A1 (de)	1983-04-29	1984-10-31	Hoechst Ag, 6230 Frankfurt	Verfahren zur anreicherung von schwefelsaeure
DE3446695A1 (de)	1984-12-21	1986-06-26	Basf Ag, 6700 Ludwigshafen	Verfahren zur aufkonzentrierung waessriger loesungen von organischen verbindungen, die salze enthalten, unter gleichzeitiger verringerung des salzgehaltes
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CA2069221A1 (fr)	1992-05-22	1993-11-23	Mark W. Kennedy	Mode d'extraction par electrodialyse des sels contenus dans des solutions de lavage a base d'hydrogene sulfure
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JP3785601B2 (ja) *	1995-06-23	2006-06-14	東レ・ファインケミカル株式会社	Ｄｍｓｏの回収方法
JPH1043506A (ja) *	1996-08-01	1998-02-17	Akou Kaisui Kk	原料水の前処理方法
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CN100471541C (zh) *	2005-09-30	2009-03-25	日本瑞环株式会社	溶剂的回收装置及溶剂的回收方法

2010
- 2010-10-29 JP JP2012536018A patent/JP5909190B2/ja not_active Expired - Fee Related
- 2010-10-29 GB GB1208394.5A patent/GB2487515B/en not_active Expired - Fee Related
- 2010-10-29 WO PCT/IN2010/000708 patent/WO2011055381A1/fr not_active Ceased
- 2010-10-29 CA CA2779656A patent/CA2779656C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JP2013510082A (ja)	2013-03-21
GB2487515B (en)	2018-05-09
CA2779656C (fr)	2018-01-02
WO2011055381A8 (fr)	2012-05-10
GB201208394D0 (en)	2012-06-27
JP5909190B2 (ja)	2016-04-26
WO2011055381A1 (fr)	2011-05-12
GB2487515A (en)	2012-07-25

Legal Events

Date	Code	Title	Description
2015-10-16	EEER	Examination request	Effective date: 20151006
2019-12-10	MKLA	Lapsed	Effective date: 20191029

Publication	Publication Date	Title
JP4805455B2 (ja)	2011-11-02	電気脱イオンユニットにおけるスケール発生を防ぐ方法および装置
Widiasa et al.	2004	Performance of a novel electrodeionization technique during citric acid recovery
Strathmann	2010	Electrodialysis, a mature technology with a multitude of new applications
EP0379116B1 (fr)	1994-04-20	Appareil et module d'électrodésionisation
US5951845A (en)	1999-09-14	Process for recovering organic hydroxides from waste solutions
JPH03207487A (ja)	1991-09-10	水精製方法
US4599178A (en)	1986-07-08	Recovery of glycerine from saline waters
US20240308888A1 (en)	2024-09-19	Electrodialysis processes using an organic solvent for separating dissolved species
EP1347823A2 (fr)	2003-10-01	Procede et dispositif pour l'isolation d'une espece ionique dans un liquide
US12151211B2 (en)	2024-11-26	Electro-pressure membrane method for recovery and concentration of lithium from aqueous sources
AU2002221564A1 (en)	2002-08-29	A method and apparatus for isolation of ionic species by electrodialysis
JPH05192657A (ja)	1993-08-03	双極性界面を用いた樹脂の清浄化方法
US20100133115A1 (en)	2010-06-03	Devices and methods for acid and base generation
CN105164319A (zh)	2015-12-16	极化电渗析
US7820024B2 (en)	2010-10-26	Electrically-driven separation apparatus
CN105209420A (zh)	2015-12-30	用于从生物质获得产品的系统和方法
CA2779656C (fr)	2018-01-02	Processus hybride d'electrodialyse-distillatin pour la recuperation de solvant de dimethylsulfoxide (dmso) a partir d'un effluent industriel
Ravikumar et al.	2013	Development of an electrodialysis–distillation integrated process for separation of hazardous sodium azide to recover valuable DMSO solvent from pharmaceutical effluent
Jia et al.	2025	Proton and water migration regulation drives high-efficiency sulfuric acid concentration via ladder electrodialysis
US4861447A (en)	1989-08-29	Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons
WO2010033817A2 (fr)	2010-03-25	Procédé de purification de glycérol brut
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