BR9002142A - Processo continuo para a remocao de nitrato e/ou de impurezas organicas de aguas servidas - Google Patents
Processo continuo para a remocao de nitrato e/ou de impurezas organicas de aguas servidasInfo
- Publication number
- BR9002142A BR9002142A BR909002142A BR9002142A BR9002142A BR 9002142 A BR9002142 A BR 9002142A BR 909002142 A BR909002142 A BR 909002142A BR 9002142 A BR9002142 A BR 9002142A BR 9002142 A BR9002142 A BR 9002142A
- Authority
- BR
- Brazil
- Prior art keywords
- waters
- served
- nitrate
- removal
- continuous process
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- 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
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physical Water Treatments (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89108278A EP0396790B1 (en) | 1989-05-09 | 1989-05-09 | Process for the removal of nitrate and organic pollutants from effluents |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9002142A true BR9002142A (pt) | 1991-08-13 |
Family
ID=8201331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR909002142A BR9002142A (pt) | 1989-05-09 | 1990-05-08 | Processo continuo para a remocao de nitrato e/ou de impurezas organicas de aguas servidas |
Country Status (9)
Country | Link |
---|---|
US (1) | US5015456A (pt) |
EP (1) | EP0396790B1 (pt) |
JP (1) | JP2882538B2 (pt) |
KR (1) | KR0135417B1 (pt) |
BR (1) | BR9002142A (pt) |
CA (1) | CA2016161A1 (pt) |
DD (1) | DD297950A5 (pt) |
DE (1) | DE68904070T2 (pt) |
ES (1) | ES2037904T3 (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4141772A1 (de) * | 1991-12-18 | 1993-06-24 | Hoechst Ag | Verfahren zur aufarbeitung organischer phosphorverbindungen, insbesondere sulfonierte arylphosphine enthaltender abwaesser |
AU3273195A (en) * | 1994-08-08 | 1996-03-07 | Henkel Corporation | Method for separating materials |
US5501796A (en) * | 1994-08-08 | 1996-03-26 | Henkel Corporation | Method for separating materials |
US5665237A (en) * | 1994-08-08 | 1997-09-09 | Henkel Corporation | Method for separating materials |
US5575918A (en) * | 1995-02-28 | 1996-11-19 | Henkel Corporation | Method for recovery of polymers |
US5705074A (en) * | 1996-11-19 | 1998-01-06 | Merichem Company | Removal of acidic organic contaminants from refinery waste water |
DE19732074A1 (de) * | 1997-07-25 | 1999-01-28 | Bayer Ag | Verfahren zur Reinigung von organischen und gegebenenfalls anorganischen Schwefelverbindungen enthaltenden Abwässern |
DE10113113A1 (de) * | 2001-03-16 | 2002-09-19 | Bayer Ag | Nitratreduktion durch SO¶2¶ |
DE10207442A1 (de) * | 2002-02-22 | 2003-09-11 | Bayer Ag | Aufbereitung von Kochsalz enthaltenden Abwässern zum Einsatz in der Chlor-Alkali-Elektrolyse |
CN102344220B (zh) * | 2011-07-19 | 2013-03-27 | 湖北省宏源药业有限公司 | 一种甲硝唑废水的处理方法 |
CN102642946B (zh) * | 2012-04-13 | 2013-09-25 | 天津市富特斯科技发展有限公司 | 甲苯法生产己内酰胺工艺废水的处理方法 |
CA2887434A1 (en) * | 2012-10-31 | 2014-05-08 | Bruce F. Monzyk | Process water treatment using liquid-liquid extraction technology |
JP2014138914A (ja) * | 2013-01-21 | 2014-07-31 | Kyoto Univ | 被処理水中の窒素化合物の除去方法。 |
US9902626B2 (en) | 2013-07-26 | 2018-02-27 | General Electric Company | Method and filter for removing nitrate ions |
CN105366862A (zh) * | 2015-11-18 | 2016-03-02 | 浙江闰土研究院有限公司 | 一种含硫酸染料废水的处理方法 |
KR101994997B1 (ko) | 2017-06-19 | 2019-07-04 | 삼성중공업 주식회사 | 오염수 처리 시스템 |
CN112811728B (zh) * | 2020-12-30 | 2022-08-12 | 广东先导稀材股份有限公司 | 一种达标处理超细球形银粉生产母液并回收有价组分的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI56160C (fi) * | 1972-10-16 | 1979-12-10 | Kemira Oy | Kontinuerligt foerfarande foer avlaegsnande av nitrater ur avfallsvatten genom extraktion och med moejligast smao extraktionsmedelsfoerluster |
FI53661C (fi) * | 1973-11-22 | 1978-07-10 | Kemira Oy | Kontinuerligt foerfarande foer extrahering av nitrater fraon nitrathaltiga loesningar |
US3966594A (en) * | 1973-11-26 | 1976-06-29 | Sumitomo Chemical Company, Limited | Treatment of aqueous waste solution |
FR2391953A1 (fr) * | 1976-11-02 | 1978-12-22 | Ugine Kuhlmann | Procede de traitement d'effluents nitriques |
DE3436349A1 (de) * | 1984-10-04 | 1986-04-10 | Hoechst Ag, 6230 Frankfurt | Verfahren zur extraktion von phenolen aus waessrigen loesungen |
US4661257A (en) * | 1985-03-13 | 1987-04-28 | Regents Of The University Of Minnesota | Liquid membrane system for the removal of nitrate from water |
GB8607034D0 (en) * | 1986-03-21 | 1986-04-30 | Rohm & Haas | Removal of no3 from salt solutions |
DE3627653A1 (de) * | 1986-08-14 | 1988-02-25 | Hoechst Ag | Verfahren zur extraktion von nitro-hydroxy-aromaten aus waessrigen loesungen |
US4872989A (en) * | 1987-03-16 | 1989-10-10 | Rohm And Haas Company | Selective removal of nitrate ions from salt solutions |
DE3718725A1 (de) * | 1987-06-04 | 1988-12-22 | Hoechst Ag | Verfahren zur abtrennung von halogenierten hydroxy-aromaten aus waessrigen loesungen |
-
1989
- 1989-05-09 EP EP89108278A patent/EP0396790B1/en not_active Expired
- 1989-05-09 ES ES198989108278T patent/ES2037904T3/es not_active Expired - Lifetime
- 1989-05-09 DE DE8989108278T patent/DE68904070T2/de not_active Expired - Fee Related
-
1990
- 1990-04-20 US US07/513,346 patent/US5015456A/en not_active Expired - Fee Related
- 1990-05-01 JP JP2111880A patent/JP2882538B2/ja not_active Expired - Lifetime
- 1990-05-07 DD DD90340442A patent/DD297950A5/de not_active IP Right Cessation
- 1990-05-07 CA CA002016161A patent/CA2016161A1/en not_active Abandoned
- 1990-05-08 BR BR909002142A patent/BR9002142A/pt not_active IP Right Cessation
- 1990-05-08 KR KR90006443A patent/KR0135417B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5015456A (en) | 1991-05-14 |
JP2882538B2 (ja) | 1999-04-12 |
DE68904070T2 (de) | 1993-04-29 |
CA2016161A1 (en) | 1990-11-09 |
JPH02303591A (ja) | 1990-12-17 |
EP0396790A1 (en) | 1990-11-14 |
DD297950A5 (de) | 1992-01-30 |
KR900017927A (ko) | 1990-12-20 |
ES2037904T3 (es) | 1993-07-01 |
EP0396790B1 (en) | 1992-12-23 |
DE68904070D1 (de) | 1993-02-04 |
KR0135417B1 (en) | 1998-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 08/05/2010 |