JPS6050493B2 - 電気再生式イオン交換装置 - Google Patents
電気再生式イオン交換装置Info
- Publication number
- JPS6050493B2 JPS6050493B2 JP51135474A JP13547476A JPS6050493B2 JP S6050493 B2 JPS6050493 B2 JP S6050493B2 JP 51135474 A JP51135474 A JP 51135474A JP 13547476 A JP13547476 A JP 13547476A JP S6050493 B2 JPS6050493 B2 JP S6050493B2
- Authority
- JP
- Japan
- Prior art keywords
- compartment
- desalination
- cathode
- anode
- ion exchange
- Prior art date
- 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.)
- Expired
Links
- 238000005342 ion exchange Methods 0.000 title claims abstract description 61
- 230000001172 regenerating effect Effects 0.000 title claims description 8
- 238000005349 anion exchange Methods 0.000 claims abstract description 47
- 238000005341 cation exchange Methods 0.000 claims abstract description 42
- 238000005115 demineralization Methods 0.000 claims abstract description 30
- 230000002328 demineralizing effect Effects 0.000 claims abstract description 30
- 238000010612 desalination reaction Methods 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 38
- 239000004744 fabric Substances 0.000 claims description 35
- 238000000576 coating method Methods 0.000 claims description 29
- 239000002699 waste material Substances 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 21
- 150000001450 anions Chemical class 0.000 claims description 19
- 239000003431 cross linking reagent Substances 0.000 claims description 13
- 229920000867 polyelectrolyte Polymers 0.000 claims description 12
- 229920002873 Polyethylenimine Polymers 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 239000004584 polyacrylic acid Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 239000012458 free base Substances 0.000 claims description 2
- 229920003043 Cellulose fiber Polymers 0.000 claims 2
- 239000007795 chemical reaction product Substances 0.000 claims 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 125000001302 tertiary amino group Chemical group 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 239000000243 solution Substances 0.000 description 19
- 239000011347 resin Substances 0.000 description 17
- 229920005989 resin Polymers 0.000 description 17
- 150000001768 cations Chemical class 0.000 description 15
- 238000004132 cross linking Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 150000002500 ions Chemical class 0.000 description 13
- 230000008929 regeneration Effects 0.000 description 13
- 238000011069 regeneration method Methods 0.000 description 13
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 10
- 150000003839 salts Chemical class 0.000 description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000012508 resin bead Substances 0.000 description 4
- 150000003512 tertiary amines Chemical group 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003957 anion exchange resin Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- -1 hydrogen ions Chemical class 0.000 description 3
- 239000003456 ion exchange resin Substances 0.000 description 3
- 229920003303 ion-exchange polymer Polymers 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003011 anion exchange membrane Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/30—Electrical regeneration
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/631,841 US4032452A (en) | 1975-11-13 | 1975-11-13 | Electrically regenerated ion exchange system |
| US631841 | 1996-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5262178A JPS5262178A (en) | 1977-05-23 |
| JPS6050493B2 true JPS6050493B2 (ja) | 1985-11-08 |
Family
ID=24532990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51135474A Expired JPS6050493B2 (ja) | 1975-11-13 | 1976-11-12 | 電気再生式イオン交換装置 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4032452A (enExample) |
| JP (1) | JPS6050493B2 (enExample) |
| BE (1) | BE848286A (enExample) |
| CA (1) | CA1072912A (enExample) |
| DE (1) | DE2649195A1 (enExample) |
| FR (1) | FR2331372A1 (enExample) |
| GB (1) | GB1541851A (enExample) |
| IT (1) | IT1062701B (enExample) |
| NL (1) | NL7610941A (enExample) |
Families Citing this family (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465573A (en) * | 1981-05-12 | 1984-08-14 | Hare Harry M O | Method and apparatus for the purification of water |
| EP0242029B1 (en) | 1986-02-20 | 1991-12-11 | RAYCHEM CORPORATION (a Delaware corporation) | Method and articles employing ion exchange material |
| US5019235A (en) * | 1986-02-20 | 1991-05-28 | Raychem Corporation | Method and articles employing ion exchange material |
| US5045163A (en) * | 1986-02-20 | 1991-09-03 | Raychem Corporation | Electrochemical method for measuring chemical species employing ion exchange material |
| US5074988A (en) * | 1986-02-20 | 1991-12-24 | Raychem Corporation | Apparatus for monitoring an electrolyte |
| US4888098A (en) * | 1986-02-20 | 1989-12-19 | Raychem Corporation | Method and articles employing ion exchange material |
| US5007989A (en) * | 1986-02-20 | 1991-04-16 | Raychem Corporation | Method and articles employing ion exchange material |
| DE3808043A1 (de) * | 1988-03-11 | 1989-09-21 | Cillit Wassertechnik | Verfahren und vorrichtung zur teil- oder vollentsalzung von wasser |
| JP3009221B2 (ja) * | 1990-12-17 | 2000-02-14 | ユー・エス・フィルター／アイオンピュア・インコーポレーテッド | 電気脱イオン化装置 |
| EP0503651B1 (en) * | 1991-03-13 | 1995-08-23 | Ebara Corporation | Electrically regenerable demineralizing apparatus |
| US5292422A (en) * | 1992-09-15 | 1994-03-08 | Ip Holding Company | Modules for electrodeionization apparatus |
| US5346924B1 (en) * | 1992-09-23 | 2000-04-25 | Ionpure Techn Corp | Heterogenous ion exchange materials comprising polyethylene of linear low density or high density high molecular weight |
| JP2751090B2 (ja) * | 1993-04-21 | 1998-05-18 | 日本錬水株式会社 | 純水製造装置 |
| WO1995032052A1 (en) * | 1994-05-20 | 1995-11-30 | U.S. Filter/Ionpure, Inc. | Polarity reversal and double reversal electrodeionization apparatus and method |
| JP3394372B2 (ja) * | 1995-10-04 | 2003-04-07 | 株式会社荏原製作所 | 電気再生式脱塩装置 |
| US6254883B1 (en) | 1996-01-30 | 2001-07-03 | Novagent Oy | Composition for transdermal delivery of drugs |
| US5868915A (en) * | 1996-09-23 | 1999-02-09 | United States Filter Corporation | Electrodeionization apparatus and method |
| US5788826A (en) * | 1997-01-28 | 1998-08-04 | Pionetics Corporation | Electrochemically assisted ion exchange |
| US6284124B1 (en) | 1999-01-29 | 2001-09-04 | United States Filter Corporation | Electrodeionization apparatus and method |
| GB0016846D0 (en) * | 2000-07-10 | 2000-08-30 | United States Filter Corp | Electrodeionisation Apparatus |
| AU2001292662A1 (en) * | 2000-09-14 | 2002-03-26 | Hydromatix, Inc. | Electrophoretic cross-flow membrane filter system |
| US7147785B2 (en) * | 2000-09-28 | 2006-12-12 | Usfilter Corporation | Electrodeionization device and methods of use |
| US6607647B2 (en) | 2001-04-25 | 2003-08-19 | United States Filter Corporation | Electrodeionization apparatus with expanded conductive mesh electrode and method |
| US6649037B2 (en) | 2001-05-29 | 2003-11-18 | United States Filter Corporation | Electrodeionization apparatus and method |
| CN1568220B (zh) * | 2001-10-15 | 2010-06-09 | 美国过滤公司 | 流体净化设备及其制造方法和用途 |
| US7094325B2 (en) * | 2002-02-02 | 2006-08-22 | Ionics, Incorporated | EDI and related stacks and method and apparatus for preparing such |
| US6913741B2 (en) * | 2002-09-30 | 2005-07-05 | Halox Technologies, Inc. | System and process for producing halogen oxides |
| US7241435B2 (en) * | 2002-09-30 | 2007-07-10 | Halox Technologies, Inc. | System and process for producing halogen oxides |
| US7501061B2 (en) * | 2002-10-23 | 2009-03-10 | Siemens Water Technologies Holding Corp. | Production of water for injection using reverse osmosis |
| US7344629B2 (en) * | 2003-08-08 | 2008-03-18 | Pionetics Corporation | Selectable ion concentrations with electrolytic ion exchange |
| US7862700B2 (en) * | 2003-11-13 | 2011-01-04 | Siemens Water Technologies Holding Corp. | Water treatment system and method |
| US7582198B2 (en) * | 2003-11-13 | 2009-09-01 | Siemens Water Technologies Holding Corp. | Water treatment system and method |
| US7563351B2 (en) * | 2003-11-13 | 2009-07-21 | Siemens Water Technologies Holding Corp. | Water treatment system and method |
| US7083733B2 (en) | 2003-11-13 | 2006-08-01 | Usfilter Corporation | Water treatment system and method |
| US20050103717A1 (en) | 2003-11-13 | 2005-05-19 | United States Filter Corporation | Water treatment system and method |
| US8377279B2 (en) | 2003-11-13 | 2013-02-19 | Siemens Industry, Inc. | Water treatment system and method |
| US7604725B2 (en) * | 2003-11-13 | 2009-10-20 | Siemens Water Technologies Holding Corp. | Water treatment system and method |
| US7846340B2 (en) * | 2003-11-13 | 2010-12-07 | Siemens Water Technologies Corp. | Water treatment system and method |
| US7329358B2 (en) | 2004-05-27 | 2008-02-12 | Siemens Water Technologies Holding Corp. | Water treatment process |
| US7959780B2 (en) | 2004-07-26 | 2011-06-14 | Emporia Capital Funding Llc | Textured ion exchange membranes |
| US20060137986A1 (en) * | 2004-12-23 | 2006-06-29 | Pionetics Corporation | Fluid flow controlling valve having seal with reduced leakage |
| US20060138997A1 (en) * | 2004-12-28 | 2006-06-29 | Pionetics Corporation | Power supply for electrochemical ion exchange |
| US7658828B2 (en) * | 2005-04-13 | 2010-02-09 | Siemens Water Technologies Holding Corp. | Regeneration of adsorption media within electrical purification apparatuses |
| US20060231406A1 (en) * | 2005-04-13 | 2006-10-19 | Usfilter Corporation | Regeneration of adsorption media within electrical purification apparatuses |
| EP1885655B1 (en) * | 2005-06-01 | 2014-12-17 | Evoqua Water Technologies LLC | Water treatment process by intermittent sanitization |
| US7780833B2 (en) | 2005-07-26 | 2010-08-24 | John Hawkins | Electrochemical ion exchange with textured membranes and cartridge |
| WO2007044609A1 (en) | 2005-10-06 | 2007-04-19 | Pionetics Corporation | Electrochemical ion exchange treatment of fluids |
| US10252923B2 (en) | 2006-06-13 | 2019-04-09 | Evoqua Water Technologies Llc | Method and system for water treatment |
| US8114259B2 (en) * | 2006-06-13 | 2012-02-14 | Siemens Industry, Inc. | Method and system for providing potable water |
| US8277627B2 (en) | 2006-06-13 | 2012-10-02 | Siemens Industry, Inc. | Method and system for irrigation |
| US10213744B2 (en) | 2006-06-13 | 2019-02-26 | Evoqua Water Technologies Llc | Method and system for water treatment |
| US20080067069A1 (en) | 2006-06-22 | 2008-03-20 | Siemens Water Technologies Corp. | Low scale potential water treatment |
| US7820024B2 (en) * | 2006-06-23 | 2010-10-26 | Siemens Water Technologies Corp. | Electrically-driven separation apparatus |
| US7744760B2 (en) | 2006-09-20 | 2010-06-29 | Siemens Water Technologies Corp. | Method and apparatus for desalination |
| WO2008048656A2 (en) * | 2006-10-18 | 2008-04-24 | Kinetico Incorporated | Electroregeneration apparatus and water treatment method |
| AU2008331796B2 (en) | 2007-11-30 | 2013-01-10 | Evoqua Water Technologies Llc | Systems and methods for water treatment |
| US9776137B2 (en) * | 2008-11-12 | 2017-10-03 | Board Of Regents, The University Of Texas System | Recovery of regenerant electrolyte |
| US8518253B2 (en) * | 2008-12-17 | 2013-08-27 | General Electric Company | Ion-exchange device and regeneration method of ion-exchange material thereof |
| WO2012157236A1 (ja) * | 2011-05-13 | 2012-11-22 | パナソニック株式会社 | 再生式軟水化装置 |
| US9724645B2 (en) | 2012-02-02 | 2017-08-08 | Tangent Company Llc | Electrochemically regenerated water deionization |
| JP2017508990A (ja) * | 2014-03-06 | 2017-03-30 | ザ ボード オブ リージェンツ オブ ザ ユニバーシティー オブ テキサス システム | 流体の導電率を計測するための方法および装置 |
| US9757695B2 (en) | 2015-01-03 | 2017-09-12 | Pionetics Corporation | Anti-scale electrochemical apparatus with water-splitting ion exchange membrane |
| AU2018321819B2 (en) | 2017-08-21 | 2024-04-04 | Evoqua Water Technologies Llc | Treatment of saline water for agricultural and potable use |
| US12180103B2 (en) | 2017-08-21 | 2024-12-31 | Evoqua Water Technologies Llc | Treatment of saline water for agricultural and potable use and for generation of disinfectant solution |
| WO2023046740A1 (en) | 2021-09-24 | 2023-03-30 | Zhejiang Qinyuan Water Treatment S. T. Co., Ltd. | Electrochemically assisted ion exchange water treatment device having specific arrangement of electrochemical cells |
| US20240391805A1 (en) | 2021-09-24 | 2024-11-28 | Zhejiang Qinyuan Water Treatment S. T. Co., Ltd. | Electrochemically assisted ion exchange water treatment device having parallely arranged electrochemical cell and reverse osmosis unit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1116048A (fr) * | 1953-12-17 | 1956-05-03 | Tno | Procédé et appareillage pour la désionisation et la concentration de liquides contenant des sels |
| US2812300A (en) * | 1956-02-07 | 1957-11-05 | Clayton Manufacturing Co | Electrolytic regeneration of ion exchange resins |
| US3006828A (en) * | 1957-12-09 | 1961-10-31 | Gen Electric | Water demineralizing methods and systems |
| US3254016A (en) * | 1961-11-02 | 1966-05-31 | Gen Electric | Apparatus for demineralizing raw water |
| US3274095A (en) * | 1962-01-17 | 1966-09-20 | Meyers Laurence | Means for transfer of ions |
| US3767600A (en) * | 1968-08-30 | 1973-10-23 | Rohm & Haas | Porous polymers with ionic functional groups based on polyfunctional methacrylates |
| JPS4837675B1 (enExample) * | 1968-12-16 | 1973-11-13 | ||
| US3645884A (en) * | 1969-07-10 | 1972-02-29 | Edwin R Gilliland | Electrolytic ion exchange apparatus |
| US3885069A (en) * | 1972-08-11 | 1975-05-20 | Us Agriculture | Preparation of crosslinked polyethylenimine and impregnation of cellulosic material with in situ crosslink-polymerized ethylenimine |
| CH586059A5 (enExample) * | 1974-11-29 | 1977-03-31 | Yeda Res & Dev |
-
1975
- 1975-11-13 US US05/631,841 patent/US4032452A/en not_active Expired - Lifetime
-
1976
- 1976-09-21 CA CA261,636A patent/CA1072912A/en not_active Expired
- 1976-10-01 NL NL7610941A patent/NL7610941A/ not_active Application Discontinuation
- 1976-10-04 GB GB41109/76A patent/GB1541851A/en not_active Expired
- 1976-10-05 IT IT51587/76A patent/IT1062701B/it active
- 1976-10-15 FR FR7631184A patent/FR2331372A1/fr active Granted
- 1976-10-28 DE DE19762649195 patent/DE2649195A1/de not_active Ceased
- 1976-11-12 JP JP51135474A patent/JPS6050493B2/ja not_active Expired
- 1976-11-12 BE BE172312A patent/BE848286A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4032452A (en) | 1977-06-28 |
| GB1541851A (en) | 1979-03-07 |
| JPS5262178A (en) | 1977-05-23 |
| DE2649195A1 (de) | 1977-05-26 |
| FR2331372B1 (enExample) | 1982-11-05 |
| BE848286A (fr) | 1977-03-01 |
| NL7610941A (nl) | 1977-05-17 |
| FR2331372A1 (fr) | 1977-06-10 |
| IT1062701B (it) | 1984-10-31 |
| CA1072912A (en) | 1980-03-04 |
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