ATE203578T1 - Verfahren zur herstellung von polysulfiden durch electrolytischen oxidation - Google Patents
Verfahren zur herstellung von polysulfiden durch electrolytischen oxidationInfo
- Publication number
- ATE203578T1 ATE203578T1 AT97919700T AT97919700T ATE203578T1 AT E203578 T1 ATE203578 T1 AT E203578T1 AT 97919700 T AT97919700 T AT 97919700T AT 97919700 T AT97919700 T AT 97919700T AT E203578 T1 ATE203578 T1 AT E203578T1
- Authority
- AT
- Austria
- Prior art keywords
- pct
- electrolytic oxidation
- cathode
- anode
- compartment
- Prior art date
Links
- 229920001021 polysulfide Polymers 0.000 title abstract 3
- 239000005077 polysulfide Substances 0.000 title abstract 3
- 150000008117 polysulfides Polymers 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000003647 oxidation Effects 0.000 title abstract 2
- 238000007254 oxidation reaction Methods 0.000 title abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- -1 sulfide ions Chemical class 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10733596 | 1996-04-26 | ||
| PCT/JP1997/001456 WO1997041295A1 (en) | 1996-04-26 | 1997-04-25 | Method for producing polysulfides by electrolytic oxidation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE203578T1 true ATE203578T1 (de) | 2001-08-15 |
Family
ID=14456452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97919700T ATE203578T1 (de) | 1996-04-26 | 1997-04-25 | Verfahren zur herstellung von polysulfiden durch electrolytischen oxidation |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5972197A (de) |
| EP (1) | EP0835341B1 (de) |
| JP (1) | JP2000515106A (de) |
| CN (1) | CN1082587C (de) |
| AT (1) | ATE203578T1 (de) |
| AU (1) | AU2407897A (de) |
| CA (1) | CA2224824C (de) |
| DE (1) | DE69705790D1 (de) |
| ES (1) | ES2162282T3 (de) |
| PT (1) | PT835341E (de) |
| RU (1) | RU2169698C2 (de) |
| WO (1) | WO1997041295A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4187826B2 (ja) | 1998-05-29 | 2008-11-26 | 川崎化成工業株式会社 | 電解酸化による多硫化物の製造方法 |
| JP2000247611A (ja) * | 1999-02-26 | 2000-09-12 | Asahi Glass Co Ltd | 電解酸化による多硫化物の製造方法 |
| JP4312869B2 (ja) | 1999-02-26 | 2009-08-12 | 旭硝子株式会社 | 電解酸化を用いた多硫化物の製造方法 |
| JP4298058B2 (ja) * | 1999-05-28 | 2009-07-15 | 日本製紙株式会社 | リグノセルロース材料の蒸解法 |
| JP4298059B2 (ja) * | 1999-05-28 | 2009-07-15 | 日本製紙株式会社 | リグノセルロース材料の蒸解法 |
| JP4230612B2 (ja) | 1999-05-28 | 2009-02-25 | 日本製紙株式会社 | クラフト法パルプ製造プロセスにおける薬品回収方法 |
| JP4704638B2 (ja) * | 1999-06-15 | 2011-06-15 | 川崎化成工業株式会社 | パルプ蒸解液およびパルプ製造方法 |
| BR0012217B1 (pt) | 1999-06-15 | 2011-02-22 | processo de cozimento para polpa. | |
| US9708707B2 (en) * | 2001-09-10 | 2017-07-18 | Asm International N.V. | Nanolayer deposition using bias power treatment |
| US7378068B2 (en) * | 2005-06-01 | 2008-05-27 | Conocophillips Company | Electrochemical process for decomposition of hydrogen sulfide and production of sulfur |
| EP1767671B1 (de) | 2005-09-26 | 2012-05-02 | CHLORINE ENGINEERS CORP., Ltd. | Dreidimensionale Elektrode für Electrolyse, Ionenaustauschmembranelektrolysezelle, und elektrolytisches Verfahren mit der dreidimensionalen Elektrode |
| US9315912B2 (en) * | 2006-11-29 | 2016-04-19 | Industrie De Nora S.P.A. | Carbon-supported metal sulphide catalyst for electrochemical oxygen reduction |
| RU2361026C1 (ru) * | 2008-04-07 | 2009-07-10 | Эдуард Львович Аким | Способ приготовления раствора для полисульфидной варки древесины |
| CN104862730B (zh) * | 2015-06-12 | 2018-03-06 | 广东航鑫科技股份公司 | 一种离子膜电解制备高锰酸钾的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409520A (en) * | 1965-09-23 | 1968-11-05 | Mobil Oil Corp | Removal of hydrogen sulfide from a hydrogen sulfide-hydrocarbon gas mixture by electrolysis |
| US4108754A (en) * | 1974-08-07 | 1978-08-22 | Ontario Limited | Carbon fiber electrode |
| US4772366A (en) * | 1987-03-06 | 1988-09-20 | Gas Research Institute | Electrochemical separation and concentration of sulfur containing gases from gas mixtures |
| SE501204C2 (sv) * | 1993-06-28 | 1994-12-05 | Eka Nobel Ab | Framställning av polysulfid genom elektrolys av vitlut som innehåller sulfid |
-
1997
- 1997-04-25 PT PT97919700T patent/PT835341E/pt unknown
- 1997-04-25 JP JP09538745A patent/JP2000515106A/ja active Pending
- 1997-04-25 AT AT97919700T patent/ATE203578T1/de not_active IP Right Cessation
- 1997-04-25 WO PCT/JP1997/001456 patent/WO1997041295A1/en not_active Ceased
- 1997-04-25 RU RU98101134/12A patent/RU2169698C2/ru active
- 1997-04-25 ES ES97919700T patent/ES2162282T3/es not_active Expired - Lifetime
- 1997-04-25 DE DE69705790T patent/DE69705790D1/de not_active Expired - Lifetime
- 1997-04-25 EP EP97919700A patent/EP0835341B1/de not_active Revoked
- 1997-04-25 CA CA002224824A patent/CA2224824C/en not_active Expired - Lifetime
- 1997-04-25 US US08/973,756 patent/US5972197A/en not_active Expired - Lifetime
- 1997-04-25 CN CN97190424A patent/CN1082587C/zh not_active Expired - Lifetime
- 1997-04-25 AU AU24078/97A patent/AU2407897A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CN1189864A (zh) | 1998-08-05 |
| JP2000515106A (ja) | 2000-11-14 |
| RU2169698C2 (ru) | 2001-06-27 |
| EP0835341A1 (de) | 1998-04-15 |
| DE69705790D1 (de) | 2001-08-30 |
| WO1997041295A1 (en) | 1997-11-06 |
| CA2224824C (en) | 2005-03-08 |
| CA2224824A1 (en) | 1997-11-06 |
| CN1082587C (zh) | 2002-04-10 |
| US5972197A (en) | 1999-10-26 |
| PT835341E (pt) | 2001-11-30 |
| ES2162282T3 (es) | 2001-12-16 |
| AU2407897A (en) | 1997-11-19 |
| EP0835341B1 (de) | 2001-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |