BR9306319A - Método para purificar água de processamento ou água residual contendo resina de madeira - Google Patents
Método para purificar água de processamento ou água residual contendo resina de madeiraInfo
- Publication number
- BR9306319A BR9306319A BR9306319-9A BR9306319A BR9306319A BR 9306319 A BR9306319 A BR 9306319A BR 9306319 A BR9306319 A BR 9306319A BR 9306319 A BR9306319 A BR 9306319A
- Authority
- BR
- Brazil
- Prior art keywords
- purifying process
- containing wood
- water
- wood resin
- waste water
- Prior art date
Links
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
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- 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
Abstract
Patente de Invenção: MéTODO PARA PURIFICAR áGUA DE PROCESSAMENTO OU áGUA RESIDUAL CONTENDO RESINA DE MADEIRA". Purificação da água do processamento ou água residual contendo resina de madeira da indústria de polpa, pela adição, como floculante, de um óxido de polietileno de alto peso molecular e um éter não iónico de celulose solúvel em água, apropriadamente tendo uma temperatura de floculação de 5-80 C. A quantidade adicionada por litro d'água é preferivelmente de 2-20 mg de óxido de polietileno de alto peso molecular e preferivelmente 5-30 mg do éter não iónico de celulose.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9201398A SE500783C2 (sv) | 1992-05-05 | 1992-05-05 | Sätt att rena vedhartsinnehållande process- eller avloppsvatten |
PCT/SE1993/000373 WO1993022243A1 (en) | 1992-05-05 | 1993-04-28 | Method for purifying process water or wastewater containing wood resin |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9306319A true BR9306319A (pt) | 1999-09-28 |
Family
ID=20386137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9306319-9A BR9306319A (pt) | 1992-05-05 | 1993-04-28 | Método para purificar água de processamento ou água residual contendo resina de madeira |
Country Status (17)
Country | Link |
---|---|
US (1) | US5354479A (pt) |
EP (1) | EP0639158B1 (pt) |
JP (1) | JP2883203B2 (pt) |
KR (1) | KR0163615B1 (pt) |
AT (1) | ATE139753T1 (pt) |
AU (1) | AU662979B2 (pt) |
BR (1) | BR9306319A (pt) |
CA (1) | CA2095180A1 (pt) |
DE (1) | DE69303370T2 (pt) |
ES (1) | ES2089817T3 (pt) |
FI (1) | FI106852B (pt) |
NO (1) | NO306394B1 (pt) |
NZ (1) | NZ251911A (pt) |
RU (1) | RU94046048A (pt) |
SE (1) | SE500783C2 (pt) |
WO (1) | WO1993022243A1 (pt) |
ZA (1) | ZA933013B (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9301160L (sv) * | 1992-08-28 | 1994-03-01 | Sunds Defibrator Ind Ab | Förfarande för behandling av processvatten |
SE9303762L (sv) * | 1993-11-15 | 1995-05-16 | Eka Nobel Ab | Sätt att rena processvatten från massaframställning |
SE504789C2 (sv) * | 1994-02-21 | 1997-04-28 | Kemira Kemi Ab | Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien |
GB9800497D0 (en) * | 1998-01-09 | 1998-03-04 | Allied Colloids Ltd | Dewatering of sludges |
EP1652860B1 (en) * | 2004-11-02 | 2008-10-15 | Shin-Etsu Chemical Co., Ltd. | Method of separating water-soluble cellulose ether |
PT103739B (pt) | 2007-05-11 | 2009-07-07 | Univ Tras Os Montes E Alto Dou | Processo de produção de biomassa a partir de resíduos e efluentes industriais em particular dos sectores da madeira, cortiça e celulose |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US596669A (en) * | 1898-01-04 | twining | ||
US3338828A (en) * | 1964-07-29 | 1967-08-29 | Joseph R Clark | Purification of water supplies and aqueous wastes |
SE357950B (pt) * | 1972-02-22 | 1973-07-16 | Casco Ab | |
SE403782B (sv) * | 1973-03-14 | 1978-09-04 | Mo Och Domsjoe Ab | Nonjoniska cellulosaetrar |
SE454507B (sv) * | 1986-11-21 | 1988-05-09 | Berol Kemi Ab | Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten |
SE459925B (sv) * | 1987-12-23 | 1989-08-21 | Boliden Ab | Avskiljning av harts ur massaavlutar |
CA2023735C (en) * | 1990-08-21 | 1999-03-16 | Robert Dennis Hodges | Compositions and process for removing toxic resin acids and derivatives from effluent |
US5104551A (en) * | 1990-10-11 | 1992-04-14 | The United States Of America As Represented By The Secretary Of The Interior | Method of flocculating clay-containing waste slurries |
US5230808A (en) * | 1991-06-17 | 1993-07-27 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
US5178770A (en) * | 1991-07-12 | 1993-01-12 | Nalco Canada Inc. | Method of treating bctmp/ctmp wastewater |
-
1992
- 1992-05-05 SE SE9201398A patent/SE500783C2/sv unknown
-
1993
- 1993-04-28 BR BR9306319-9A patent/BR9306319A/pt not_active IP Right Cessation
- 1993-04-28 EP EP93909556A patent/EP0639158B1/en not_active Expired - Lifetime
- 1993-04-28 NZ NZ251911A patent/NZ251911A/en unknown
- 1993-04-28 KR KR1019940703934A patent/KR0163615B1/ko not_active IP Right Cessation
- 1993-04-28 DE DE69303370T patent/DE69303370T2/de not_active Expired - Fee Related
- 1993-04-28 JP JP5519181A patent/JP2883203B2/ja not_active Expired - Lifetime
- 1993-04-28 WO PCT/SE1993/000373 patent/WO1993022243A1/en active IP Right Grant
- 1993-04-28 AU AU40305/93A patent/AU662979B2/en not_active Ceased
- 1993-04-28 AT AT93909556T patent/ATE139753T1/de not_active IP Right Cessation
- 1993-04-28 RU RU94046048/25A patent/RU94046048A/ru unknown
- 1993-04-28 ES ES93909556T patent/ES2089817T3/es not_active Expired - Lifetime
- 1993-04-29 CA CA002095180A patent/CA2095180A1/en not_active Abandoned
- 1993-04-29 ZA ZA933013A patent/ZA933013B/xx unknown
- 1993-04-30 US US08/054,251 patent/US5354479A/en not_active Expired - Fee Related
- 1993-05-04 FI FI932006A patent/FI106852B/fi active
-
1994
- 1994-11-03 NO NO944189A patent/NO306394B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU4030593A (en) | 1993-11-29 |
JPH07506154A (ja) | 1995-07-06 |
DE69303370D1 (de) | 1996-08-01 |
EP0639158B1 (en) | 1996-06-26 |
FI932006A0 (fi) | 1993-05-04 |
RU94046048A (ru) | 1996-09-20 |
NO306394B1 (no) | 1999-11-01 |
SE500783C2 (sv) | 1994-09-05 |
KR0163615B1 (ko) | 1998-11-16 |
DE69303370T2 (de) | 1996-12-05 |
AU662979B2 (en) | 1995-09-21 |
SE9201398D0 (sv) | 1992-05-05 |
FI106852B (fi) | 2001-04-30 |
NO944189D0 (no) | 1994-11-03 |
ES2089817T3 (es) | 1996-10-01 |
CA2095180A1 (en) | 1993-11-06 |
WO1993022243A1 (en) | 1993-11-11 |
JP2883203B2 (ja) | 1999-04-19 |
US5354479A (en) | 1994-10-11 |
FI932006A (fi) | 1993-11-06 |
SE9201398L (sv) | 1993-11-06 |
NZ251911A (en) | 1995-12-21 |
EP0639158A1 (en) | 1995-02-22 |
ATE139753T1 (de) | 1996-07-15 |
ZA933013B (en) | 1993-11-05 |
KR950701297A (ko) | 1995-03-23 |
NO944189L (no) | 1994-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HP | Claimed priority lost | ||
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 11A , 12A , 13A , 14A , 15A , 16A E 17A ANUIDADES. |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA. |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |