SG53090A1 - Electrochemical process for purifying hydroxide compounds - Google Patents
Electrochemical process for purifying hydroxide compoundsInfo
- Publication number
- SG53090A1 SG53090A1 SG1997003643A SG1997003643A SG53090A1 SG 53090 A1 SG53090 A1 SG 53090A1 SG 1997003643 A SG1997003643 A SG 1997003643A SG 1997003643 A SG1997003643 A SG 1997003643A SG 53090 A1 SG53090 A1 SG 53090A1
- Authority
- SG
- Singapore
- Prior art keywords
- selective membrane
- compartment
- purifying
- anode
- cathode
- Prior art date
Links
- 150000004679 hydroxides Chemical class 0.000 title 1
- 239000012528 membrane Substances 0.000 abstract 10
- 150000001450 anions Chemical class 0.000 abstract 5
- 150000001768 cations Chemical class 0.000 abstract 5
- -1 hydroxide compound Chemical class 0.000 abstract 4
- 238000011084 recovery Methods 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- PUAQLLVFLMYYJJ-UHFFFAOYSA-N 2-aminopropiophenone Chemical compound CC(N)C(=O)C1=CC=CC=C1 PUAQLLVFLMYYJJ-UHFFFAOYSA-N 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000908 ammonium hydroxide Substances 0.000 abstract 1
- 150000008040 ionic compounds Chemical class 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- 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
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
-
- 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
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/12—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
- B01J47/127—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes in the form of filaments or fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/725,609 US5709790A (en) | 1996-10-03 | 1996-10-03 | Electrochemical process for purifying hydroxide compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG53090A1 true SG53090A1 (en) | 1998-09-28 |
Family
ID=24915263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1997003643A SG53090A1 (en) | 1996-10-03 | 1997-10-03 | Electrochemical process for purifying hydroxide compounds |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5709790A (de) |
| EP (1) | EP0834345B1 (de) |
| JP (1) | JPH10204671A (de) |
| KR (1) | KR100494869B1 (de) |
| CN (1) | CN1106874C (de) |
| AT (1) | ATE262371T1 (de) |
| CA (1) | CA2217626A1 (de) |
| DE (1) | DE69728228T2 (de) |
| MY (1) | MY116982A (de) |
| SG (1) | SG53090A1 (de) |
| TW (1) | TW397871B (de) |
| ZA (1) | ZA978881B (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5968338A (en) * | 1998-01-20 | 1999-10-19 | Sachem, Inc. | Process for recovering onium hydroxides from solutions containing onium compounds |
| DE19856376A1 (de) * | 1998-12-07 | 2000-06-08 | Basf Ag | Verfahren zur Herstellung oder Reinigung von Oniumhydroxiden mittels Elektrodialyse |
| US6508940B1 (en) | 2000-10-20 | 2003-01-21 | Sachem, Inc. | Process for recovering onium hydroxides from solutions containing onium compounds |
| US6787021B2 (en) | 2002-01-03 | 2004-09-07 | Sachem, Inc. | Purification of onium hydroxides by electrodialysis |
| US20050121332A1 (en) * | 2003-10-03 | 2005-06-09 | Kochilla John R. | Apparatus and method for treatment of metal surfaces by inorganic electrophoretic passivation |
| JP4746853B2 (ja) * | 2004-07-12 | 2011-08-10 | 和光 加藤 | 高純度の金属水酸化物、その精製方法および製造方法、これらの方法により得た水酸化物および酸化物、ならびに合成樹脂組成物および合成樹脂成形品 |
| WO2008044544A1 (fr) * | 2006-10-04 | 2008-04-17 | Nisshinbo Industries, Inc. | Fines particules d'hydroxyde et/ou d'oxyde, et procédé de fabrication associé |
| TW201434525A (zh) * | 2013-03-15 | 2014-09-16 | Ritedia Corp | 電透析裝置及使用其之電透析方法 |
| CN104016376B (zh) * | 2014-06-25 | 2015-09-30 | 苏州晶瑞化学股份有限公司 | 一种高纯氢氧化钾水溶液的连续生产方法 |
| EP3713877A4 (de) * | 2017-11-22 | 2021-03-10 | Nemaska Lithium Inc. | Verfahren zur herstellung von hydroxiden und oxiden verschiedener metalle und deren derivate |
| CA3109989A1 (en) * | 2018-08-17 | 2020-02-20 | Lithtech Industries Pty Ltd | An improved electrochemical cell arrangement and method for separating impurities |
| AU2019322251B2 (en) * | 2018-08-17 | 2024-04-18 | Lithtech Industries Pty Ltd | An improved method for lithium processing |
| CN110158114B (zh) * | 2019-05-31 | 2020-10-27 | 中触媒新材料股份有限公司 | 一种制备四烷基氢氧化铵的三膜四室电解系统和方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1210956B (it) * | 1982-11-25 | 1989-09-29 | Sigma Tau Ind Farmaceuti | Procedimento e cella elettrolitica per la preparazione di composti organici. |
| JPS60131985A (ja) * | 1983-12-19 | 1985-07-13 | Showa Denko Kk | 高純度第４級アンモニウム水酸化物の製造法 |
| US4714530A (en) * | 1986-07-11 | 1987-12-22 | Southwestern Analytical Chemicals, Inc. | Method for producing high purity quaternary ammonium hydroxides |
| GR880100210A (el) * | 1987-04-15 | 1989-01-31 | Alusuisse | Μεθοδος για την ελατωση των ακαθαρσιων εις τα αλκαλικα διαλυματα της μεθοδου bayer |
| JP2624316B2 (ja) * | 1988-11-10 | 1997-06-25 | 株式会社トクヤマ | 水酸化第四級アンモニウムの製造方法 |
| US4938854A (en) * | 1988-11-28 | 1990-07-03 | Southwestern Analytical Chemicals, Inc. | Method for purifying quaternary ammonium hydroxides |
| US5135626A (en) * | 1988-12-01 | 1992-08-04 | Allied-Signal Inc. | Method for purification of bases from materials comprising base and salt |
| JP3109525B2 (ja) * | 1990-12-27 | 2000-11-20 | クロリンエンジニアズ株式会社 | 水酸化テトラアルキルアンモニムの再生方法 |
| US5354434A (en) * | 1991-07-12 | 1994-10-11 | Chlorine Engineers Corp. Ltd. | Method for regenerating tetraalkylammonium hydroxide |
| JP3110513B2 (ja) * | 1991-10-16 | 2000-11-20 | クロリンエンジニアズ株式会社 | 水酸化テトラアルキルアンモニムの再生方法 |
| JP3360365B2 (ja) * | 1993-07-29 | 2002-12-24 | クロリンエンジニアズ株式会社 | 水酸化テトラアルキルアンモニムの再生方法 |
| US5389211A (en) * | 1993-11-08 | 1995-02-14 | Sachem, Inc. | Method for producing high purity hydroxides and alkoxides |
| US5575901A (en) * | 1995-01-31 | 1996-11-19 | Sachem, Inc. | Process for preparing organic and inorganic hydroxides or alkoxides or ammonia or organic amines from the corresponding salts by electrolysis |
| US5833832A (en) * | 1996-08-30 | 1998-11-10 | Sachem, Inc. | Preparation of onium hydroxides in an electrochemical cell |
-
1996
- 1996-10-03 US US08/725,609 patent/US5709790A/en not_active Expired - Lifetime
-
1997
- 1997-10-02 MY MYPI97004627A patent/MY116982A/en unknown
- 1997-10-02 KR KR1019970051034A patent/KR100494869B1/ko not_active Expired - Fee Related
- 1997-10-02 CA CA002217626A patent/CA2217626A1/en not_active Abandoned
- 1997-10-03 JP JP9271523A patent/JPH10204671A/ja active Pending
- 1997-10-03 ZA ZA9708881A patent/ZA978881B/xx unknown
- 1997-10-03 EP EP97307819A patent/EP0834345B1/de not_active Expired - Lifetime
- 1997-10-03 AT AT97307819T patent/ATE262371T1/de not_active IP Right Cessation
- 1997-10-03 DE DE69728228T patent/DE69728228T2/de not_active Expired - Lifetime
- 1997-10-03 SG SG1997003643A patent/SG53090A1/en unknown
- 1997-10-04 TW TW086114598A patent/TW397871B/zh not_active IP Right Cessation
- 1997-10-05 CN CN97122771A patent/CN1106874C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1185350A (zh) | 1998-06-24 |
| MY116982A (en) | 2004-04-30 |
| DE69728228D1 (de) | 2004-04-29 |
| DE69728228T2 (de) | 2005-04-14 |
| US5709790A (en) | 1998-01-20 |
| ATE262371T1 (de) | 2004-04-15 |
| JPH10204671A (ja) | 1998-08-04 |
| CN1106874C (zh) | 2003-04-30 |
| KR19980032536A (ko) | 1998-07-25 |
| ZA978881B (en) | 1998-06-23 |
| EP0834345A3 (de) | 1998-11-11 |
| TW397871B (en) | 2000-07-11 |
| EP0834345A2 (de) | 1998-04-08 |
| EP0834345B1 (de) | 2004-03-24 |
| KR100494869B1 (ko) | 2005-10-21 |
| CA2217626A1 (en) | 1998-04-03 |
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