CA2471705C - Chromatography apparatus and electrolytic method for purifying an aqueous stream containing a contaminant ion - Google Patents
Chromatography apparatus and electrolytic method for purifying an aqueous stream containing a contaminant ion Download PDFInfo
- Publication number
- CA2471705C CA2471705C CA2471705A CA2471705A CA2471705C CA 2471705 C CA2471705 C CA 2471705C CA 2471705 A CA2471705 A CA 2471705A CA 2471705 A CA2471705 A CA 2471705A CA 2471705 C CA2471705 C CA 2471705C
- Authority
- CA
- Canada
- Prior art keywords
- flow channel
- purifying
- ion
- electrode
- disposed
- 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 - Lifetime
Links
- 239000000356 contaminant Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004587 chromatography analysis Methods 0.000 title claims description 31
- 239000003480 eluent Substances 0.000 claims abstract description 118
- 238000005342 ion exchange Methods 0.000 claims abstract description 21
- 230000005684 electric field Effects 0.000 claims abstract description 11
- 150000002500 ions Chemical class 0.000 claims description 97
- 239000007788 liquid Substances 0.000 claims description 35
- 239000012492 regenerant Substances 0.000 claims description 21
- 230000004888 barrier function Effects 0.000 claims description 17
- 239000012491 analyte Substances 0.000 claims description 14
- 238000013375 chromatographic separation Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 11
- 239000003792 electrolyte Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000003014 ion exchange membrane Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- 239000002609 medium Substances 0.000 claims 10
- 239000012501 chromatography medium Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 58
- 239000012528 membrane Substances 0.000 description 32
- 239000000243 solution Substances 0.000 description 29
- 230000008929 regeneration Effects 0.000 description 26
- 238000011069 regeneration method Methods 0.000 description 26
- 150000001450 anions Chemical class 0.000 description 25
- 239000011347 resin Substances 0.000 description 23
- 229920005989 resin Polymers 0.000 description 23
- 239000007789 gas Substances 0.000 description 20
- 239000002699 waste material Substances 0.000 description 19
- 238000004458 analytical method Methods 0.000 description 18
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 16
- 150000001768 cations Chemical class 0.000 description 15
- 125000000129 anionic group Chemical group 0.000 description 13
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 12
- HNSDLXPSAYFUHK-UHFFFAOYSA-N 1,4-bis(2-ethylhexyl) sulfosuccinate Chemical compound CCCCC(CC)COC(=O)CC(S(O)(=O)=O)C(=O)OCC(CC)CCCC HNSDLXPSAYFUHK-UHFFFAOYSA-N 0.000 description 11
- -1 hydroxide ions Chemical class 0.000 description 11
- 238000013459 approach Methods 0.000 description 10
- 238000004255 ion exchange chromatography Methods 0.000 description 10
- 238000000746 purification Methods 0.000 description 9
- 239000002585 base Substances 0.000 description 8
- 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 7
- 239000002253 acid Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000003456 ion exchange resin Substances 0.000 description 6
- 229920003303 ion-exchange polymer Polymers 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000003011 anion exchange membrane Substances 0.000 description 4
- 239000003957 anion exchange resin Substances 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008213 purified water Substances 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000001724 coherent Stokes Raman spectroscopy Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 238000005040 ion trap Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
- G01N2030/965—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange suppressor columns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Urology & Nephrology (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/043,645 | 2002-01-10 | ||
| US10/043,645 US20030127392A1 (en) | 2002-01-10 | 2002-01-10 | Eluent purifier and method of use |
| US10/308,865 | 2002-12-02 | ||
| US10/308,865 US7390386B2 (en) | 2002-01-10 | 2002-12-02 | Aqueous stream purifier and method of use |
| PCT/US2003/000641 WO2003059822A2 (en) | 2002-01-10 | 2003-01-08 | Chromatogtraphy apparatus and electrolytic method for purifying an aqueous stream containing a contaminant iom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2471705A1 CA2471705A1 (en) | 2003-07-24 |
| CA2471705C true CA2471705C (en) | 2011-04-19 |
Family
ID=28793751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2471705A Expired - Lifetime CA2471705C (en) | 2002-01-10 | 2003-01-08 | Chromatography apparatus and electrolytic method for purifying an aqueous stream containing a contaminant ion |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7390386B2 (enExample) |
| EP (1) | EP1463686B1 (enExample) |
| JP (1) | JP4033835B2 (enExample) |
| KR (1) | KR100918531B1 (enExample) |
| CN (1) | CN100340494C (enExample) |
| AU (1) | AU2003235683B2 (enExample) |
| CA (1) | CA2471705C (enExample) |
| WO (1) | WO2003059822A2 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6468804B1 (en) * | 1999-08-02 | 2002-10-22 | Alltech Associates, Inc. | Suppressor for continuous electrochemically suppressed ion chromatography and method |
| US8216515B2 (en) | 2004-09-16 | 2012-07-10 | Dionex Corporation | Capillary ion chromatography |
| JP4662277B2 (ja) * | 2006-04-18 | 2011-03-30 | オルガノ株式会社 | 電気脱イオン装置 |
| US7632404B2 (en) * | 2007-11-15 | 2009-12-15 | Dionex Corporation | Barrier with a seated ion exchange bead and method |
| US8597571B2 (en) * | 2008-01-28 | 2013-12-03 | Dionex Corporation | Electrolytic eluent recycle device, apparatus and method of use |
| JP5365116B2 (ja) * | 2008-09-19 | 2013-12-11 | 横河電機株式会社 | イオンクロマトグラフ測定装置およびイオンクロマトグラフ測定方法 |
| US9188573B2 (en) | 2010-01-20 | 2015-11-17 | Dionex Corporation | Multichannel ion chromatography system and method |
| US20110186441A1 (en) * | 2010-01-29 | 2011-08-04 | Conocophillips Company | Electrolytic recovery of retained carbon dioxide |
| US8414684B2 (en) | 2010-06-01 | 2013-04-09 | Dionex Corporation | High pressure degas assembly for chromatography system and method |
| US8449658B2 (en) | 2011-02-14 | 2013-05-28 | Dionex Corporation | High-pressure capillary degas assembly |
| US8529758B2 (en) | 2011-03-22 | 2013-09-10 | Dionex Corporation | CO2-removal device and method |
| EP2747880B1 (en) | 2011-08-23 | 2021-03-24 | Board Of Regents, The University Of Texas System | Electrolytic buffer generator |
| CN103267817B (zh) * | 2013-04-15 | 2015-09-02 | 江苏省环境监测中心 | 测定邻苯二甲酸酯类化合物用抗干扰装置 |
| CN103267816B (zh) * | 2013-04-15 | 2015-07-29 | 江苏省环境监测中心 | 测定邻苯二甲酸酯类化合物的方法 |
| US9964510B2 (en) | 2013-09-16 | 2018-05-08 | Dionex Corporation | Electrolytic four-channel device and method |
| US11090606B2 (en) | 2013-12-05 | 2021-08-17 | Dionex Corporation | Gas-less electrolytic device and method |
| US9931585B2 (en) | 2014-04-23 | 2018-04-03 | Dionex Corporation | Electrolytic device for contaminant removal and method |
| US20160137530A1 (en) | 2014-11-13 | 2016-05-19 | Dionex Corporation | Ion exchange based volatile component removal device for ion chromatography |
| CN109205744A (zh) * | 2018-11-19 | 2019-01-15 | 北京碧水源膜科技有限公司 | 一种低废水率的流动电极电吸附净水方法及净水机 |
| CN113493263A (zh) * | 2020-04-01 | 2021-10-12 | 佛山市云米电器科技有限公司 | 一种家用净水装置及其控制方法 |
| CN114082301B (zh) * | 2021-10-18 | 2024-04-09 | 江苏核电有限公司 | 核电厂冷却剂中同位素碘的分离系统、方法及检测方法 |
| CN114894942B (zh) * | 2022-03-16 | 2024-04-05 | 中国石油化工股份有限公司 | 一种快速检测醇胺溶液中热稳盐阴离子的装置及方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964985A (en) * | 1974-10-29 | 1976-06-22 | Ionics, Incorporated | Electrodialysis apparatus and process for ion modification |
| US4334949A (en) | 1980-11-25 | 1982-06-15 | International Business Machines Corporation | Reducing carbonate concentration in aqueous solution |
| US5045204A (en) | 1990-02-13 | 1991-09-03 | Dionex Corporation | Method and apparatus for generating a high purity chromatography eluent |
| CN2096559U (zh) * | 1991-08-06 | 1992-02-19 | 王百城 | 菌毒污水净化器 |
| FR2684093B1 (fr) | 1991-11-22 | 1994-01-21 | Sadon Pierre | Procede et dispositif de regeneration automatique d'une station de demineralisation. |
| US5518622A (en) | 1992-02-10 | 1996-05-21 | Dionex Corporation | Electrochemical pretreatment system for liquid sample analysis |
| US5248426A (en) | 1992-02-10 | 1993-09-28 | Dionex Corporation | Ion chromatography system using electrochemical suppression and detector effluent recycle |
| CN1075699A (zh) * | 1992-02-28 | 1993-09-01 | 王百城 | 菌毒污水净化器及其净化工艺方法 |
| WO1995006246A1 (en) | 1993-08-27 | 1995-03-02 | Dionex Corporation | Ion chromatography using frequent regeneration of batch-type suppressor |
| JPH09511838A (ja) * | 1995-03-03 | 1997-11-25 | オールテック アソシエイツ インコーポレイテッド | クロマトグラフィー物質を電気化学的に改良するための装置／方法 |
| US5633171A (en) * | 1995-03-03 | 1997-05-27 | Dionex Corporation | Intermittent electrolytic packed bed suppressor regeneration for ion chromatography |
| US6036921A (en) | 1997-01-15 | 2000-03-14 | Dionex Corporation | Acid or base generator with chromatograph |
| US6027643A (en) | 1997-09-04 | 2000-02-22 | Dionex Corporation | Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| US6225129B1 (en) | 1998-02-02 | 2001-05-01 | Dionex Corporation | Large capacity acid or base generation apparatus and method of use |
| US6402917B1 (en) * | 1998-02-09 | 2002-06-11 | Otv Societe Anonyme | Electrodialysis apparatus |
| US6077434A (en) * | 1999-01-15 | 2000-06-20 | Dionex Corporation | Current-efficient suppressors and method of use |
| US6468804B1 (en) | 1999-08-02 | 2002-10-22 | Alltech Associates, Inc. | Suppressor for continuous electrochemically suppressed ion chromatography and method |
| AU7143700A (en) * | 1999-11-19 | 2001-05-24 | Rohm And Haas Company | Water treatment method and apparatus |
| US6526811B2 (en) | 2000-02-23 | 2003-03-04 | Jmic, Inc. | Analytical apparatus for measurement of low concentration constituent, method of measurement and calibration using the same |
| CN2430434Y (zh) * | 2000-05-29 | 2001-05-16 | 陈斌 | 污水处理装置 |
| US6808608B2 (en) * | 2002-03-13 | 2004-10-26 | Dionex Corporation | Water purifier and method |
-
2002
- 2002-12-02 US US10/308,865 patent/US7390386B2/en not_active Expired - Lifetime
-
2003
- 2003-01-08 WO PCT/US2003/000641 patent/WO2003059822A2/en not_active Ceased
- 2003-01-08 CN CNB038056305A patent/CN100340494C/zh not_active Expired - Lifetime
- 2003-01-08 EP EP03729612.6A patent/EP1463686B1/en not_active Expired - Lifetime
- 2003-01-08 AU AU2003235683A patent/AU2003235683B2/en not_active Expired
- 2003-01-08 JP JP2003559932A patent/JP4033835B2/ja not_active Expired - Lifetime
- 2003-01-08 KR KR1020047010781A patent/KR100918531B1/ko not_active Expired - Lifetime
- 2003-01-08 CA CA2471705A patent/CA2471705C/en not_active Expired - Lifetime
-
2008
- 2008-03-05 US US12/043,024 patent/US7704749B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003235683A2 (en) | 2003-07-30 |
| JP4033835B2 (ja) | 2008-01-16 |
| WO2003059822A3 (en) | 2003-10-16 |
| KR20040078121A (ko) | 2004-09-08 |
| CN1639073A (zh) | 2005-07-13 |
| AU2003235683B2 (en) | 2008-09-04 |
| CN100340494C (zh) | 2007-10-03 |
| US7390386B2 (en) | 2008-06-24 |
| HK1075242A1 (en) | 2005-12-09 |
| US20080173587A1 (en) | 2008-07-24 |
| US20030132163A1 (en) | 2003-07-17 |
| US7704749B2 (en) | 2010-04-27 |
| KR100918531B1 (ko) | 2009-09-21 |
| JP2005515055A (ja) | 2005-05-26 |
| CA2471705A1 (en) | 2003-07-24 |
| AU2003235683A1 (en) | 2003-07-30 |
| EP1463686A2 (en) | 2004-10-06 |
| EP1463686B1 (en) | 2015-06-03 |
| WO2003059822A2 (en) | 2003-07-24 |
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