ATE146764T1 - Verfahren zur nassen oxydation von alkalischem sulfid - Google Patents
Verfahren zur nassen oxydation von alkalischem sulfidInfo
- Publication number
- ATE146764T1 ATE146764T1 AT91308493T AT91308493T ATE146764T1 AT E146764 T1 ATE146764 T1 AT E146764T1 AT 91308493 T AT91308493 T AT 91308493T AT 91308493 T AT91308493 T AT 91308493T AT E146764 T1 ATE146764 T1 AT E146764T1
- Authority
- AT
- Austria
- Prior art keywords
- alkalinity
- liquor
- nonsulfidic
- nickel
- wet oxidation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Paper (AREA)
- Printing Plates And Materials Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/698,868 US5082571A (en) | 1991-05-13 | 1991-05-13 | Caustic sulfide wet oxidation process |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE146764T1 true ATE146764T1 (de) | 1997-01-15 |
Family
ID=24806989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91308493T ATE146764T1 (de) | 1991-05-13 | 1991-09-18 | Verfahren zur nassen oxydation von alkalischem sulfid |
Country Status (9)
Country | Link |
---|---|
US (1) | US5082571A (de) |
EP (1) | EP0513454B1 (de) |
JP (1) | JPH04338285A (de) |
AT (1) | ATE146764T1 (de) |
AU (1) | AU639134B2 (de) |
CA (1) | CA2051003C (de) |
DE (1) | DE69123836T2 (de) |
ES (1) | ES2098328T3 (de) |
MX (1) | MX174511B (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5230810A (en) * | 1991-09-25 | 1993-07-27 | Zimpro Passavant Environmental Systems, Inc. | Corrosion control for wet oxidation systems |
US5460732A (en) * | 1992-04-01 | 1995-10-24 | Zimpro Environmental, Inc. | Method of monitoring pH in caustic liquor wet oxidation |
CA2090832A1 (en) * | 1992-04-01 | 1993-10-02 | Joseph A. Momont | Method of monitoring ph in caustic liquor wet oxidation |
US5298174A (en) * | 1993-05-07 | 1994-03-29 | Zimpro Environmental, Inc. | Low temperature caustic sulfide wet oxidation process |
US5354482A (en) * | 1993-05-07 | 1994-10-11 | Merichem Company | Process and apparatus for oxidizing industrial spent caustic and effecting gas-liquid mass transfer and separation |
JP3565972B2 (ja) * | 1996-01-31 | 2004-09-15 | 新日本石油化学株式会社 | 廃ソーダの湿式酸化方法 |
JP3553720B2 (ja) * | 1996-01-31 | 2004-08-11 | 新日本石油化学株式会社 | 湿式酸化方法 |
US7850822B2 (en) * | 2003-10-29 | 2010-12-14 | Siemens Water Technologies Holding Corp. | System and method of wet oxidation of a viscose process stream |
US20050171390A1 (en) * | 2003-12-17 | 2005-08-04 | Usfilter Corporation | Wet oxidation process and system |
US20060060541A1 (en) * | 2004-09-23 | 2006-03-23 | Abazajian Armen N | Waste disposal method and apparatus using wet oxidation and deep well injection |
US7909895B2 (en) | 2004-11-10 | 2011-03-22 | Enertech Environmental, Inc. | Slurry dewatering and conversion of biosolids to a renewable fuel |
JP4888911B2 (ja) | 2005-04-27 | 2012-02-29 | 三菱化工機株式会社 | 有機性廃棄物の処理設備および処理方法 |
CN101553435B (zh) * | 2006-03-08 | 2016-05-11 | 西门子能源公司 | 废水处理***和方法 |
US9193613B2 (en) | 2006-10-03 | 2015-11-24 | Siemens Energy, Inc. | pH control to enable homogeneous catalytic wet air oxidation |
US7993588B2 (en) * | 2006-10-03 | 2011-08-09 | Siemens Industry, Inc. | Catalytic wet oxidation systems and methods |
RU2458865C2 (ru) * | 2007-01-22 | 2012-08-20 | Сименс Индастри, Инк. | Способ окисления влажным воздухом при использовании регенерированного катализатора |
US9315401B2 (en) | 2007-01-22 | 2016-04-19 | Siemens Energy, Inc. | Wet air oxidation process using recycled copper catalyst |
WO2009035642A1 (en) | 2007-09-11 | 2009-03-19 | Siemens Water Technologies Corp. | Treatment of spent caustic waste |
US20110079560A1 (en) * | 2008-04-03 | 2011-04-07 | Siemens Water Technologies Corp. | Catalytic wet oxidation systems and methods |
US20110091953A1 (en) * | 2009-04-07 | 2011-04-21 | Enertech Environmental, Inc. | Method for converting organic material into a renewable fuel |
DE102010049445A1 (de) * | 2010-10-07 | 2012-04-12 | Linde Aktiengesellschaft | Verfahren zur Ablaugeoxidation unter erhöhtem Druck |
CN103562126A (zh) | 2011-02-18 | 2014-02-05 | 西门子能量股份有限公司 | 使用再生碘溶液将硫化氢转化为硫 |
FI123086B (fi) * | 2011-02-28 | 2012-10-31 | Aalto Korkeakoulusaeaetioe | Menetelmä kemikaalien talteenottamiseksi |
WO2015170265A1 (en) * | 2014-05-08 | 2015-11-12 | Hindustan Petroleum Corporation Ltd. | Removal of sulfides in spent caustic stream over active solid phase catalysts |
US11286183B2 (en) | 2015-11-19 | 2022-03-29 | Envirosystems Inc. | System and method for treatment of spent caustic wastewater |
DE102018110296A1 (de) | 2018-04-27 | 2019-10-31 | Linde Aktiengesellschaft | Verfahren zur Behandlung einer sulfidhaltigen Ablauge |
DE102018110299A1 (de) | 2018-04-27 | 2019-10-31 | Linde Aktiengesellschaft | Verfahren und Anlage zur Behandlung einer Ablauge einer Laugewäsche |
DE102018110293A1 (de) | 2018-04-27 | 2019-10-31 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Behandlung einer Ablauge |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2261921A (en) * | 1938-10-31 | 1941-11-04 | Girdler Corp | Treatment of waste materials |
GB962237A (en) * | 1961-04-19 | 1964-07-01 | British Petroleum Co | Improvements relating to the oxidation of sulphides in aqueous solutions |
US3761409A (en) * | 1971-10-06 | 1973-09-25 | Texaco Inc | Continuous process for the air oxidation of sour water |
JPS531957A (en) * | 1976-06-25 | 1978-01-10 | Nippon Petrochemicals Co Ltd | Method and apparatus for wet oxidative treating method of waste liquor |
GB2043045B (en) * | 1978-12-15 | 1983-02-02 | Osaka Gas Co Ltd | Process for treating ammonia-containing waste water |
US4350599A (en) * | 1980-12-29 | 1982-09-21 | Sterling Drug Inc. | Process for treatment of caustic waste liquors |
DE3117084A1 (de) * | 1981-04-29 | 1982-11-18 | Linde Ag, 6200 Wiesbaden | Verfahren zum auswaschen von sauren gasen |
US4756837A (en) * | 1987-04-09 | 1988-07-12 | Domtar Inc. | Wet, pressure, partial oxidation of black liquor |
-
1991
- 1991-05-13 US US07/698,868 patent/US5082571A/en not_active Expired - Lifetime
- 1991-09-09 CA CA002051003A patent/CA2051003C/en not_active Expired - Fee Related
- 1991-09-10 AU AU83732/91A patent/AU639134B2/en not_active Expired
- 1991-09-18 EP EP91308493A patent/EP0513454B1/de not_active Expired - Lifetime
- 1991-09-18 ES ES91308493T patent/ES2098328T3/es not_active Expired - Lifetime
- 1991-09-18 DE DE69123836T patent/DE69123836T2/de not_active Expired - Fee Related
- 1991-09-18 AT AT91308493T patent/ATE146764T1/de not_active IP Right Cessation
- 1991-10-24 JP JP3277573A patent/JPH04338285A/ja active Pending
- 1991-12-06 MX MX9102417A patent/MX174511B/es not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2098328T3 (es) | 1997-05-01 |
CA2051003C (en) | 2001-08-14 |
DE69123836T2 (de) | 1997-10-23 |
AU8373291A (en) | 1992-11-19 |
DE69123836D1 (de) | 1997-02-06 |
JPH04338285A (ja) | 1992-11-25 |
US5082571A (en) | 1992-01-21 |
EP0513454B1 (de) | 1996-12-27 |
MX9102417A (es) | 1993-01-01 |
AU639134B2 (en) | 1993-07-15 |
EP0513454A1 (de) | 1992-11-19 |
CA2051003A1 (en) | 1992-11-14 |
MX174511B (es) | 1994-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |