ES2070591T3 - Eliminacion del color de aguas residuales de pasta quimica. - Google Patents
Eliminacion del color de aguas residuales de pasta quimica.Info
- Publication number
- ES2070591T3 ES2070591T3 ES92307327T ES92307327T ES2070591T3 ES 2070591 T3 ES2070591 T3 ES 2070591T3 ES 92307327 T ES92307327 T ES 92307327T ES 92307327 T ES92307327 T ES 92307327T ES 2070591 T3 ES2070591 T3 ES 2070591T3
- Authority
- ES
- Spain
- Prior art keywords
- pasta
- elimination
- color
- chemical
- waste water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- C02F1/52—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
- 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
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- Y10S210/902—Materials removed
- Y10S210/917—Color
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Soft Magnetic Materials (AREA)
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Glass Compositions (AREA)
Abstract
LA INVENCION PROPORCIONA UN METODO PARA DECOLORAR UNA CORRIENTE QUE SALE DE UNA PLANTA DE MOLIDO DE PASTA DE PAPEL QUE COMPRENDE LA FASE DE AÑADIR UNA CANTIDAD EFECTIVA DE UNA COMPOSICION DECOLORANTE QUE INCLUYE UN SULFATO FERROSO Y UN POLIMERO AMINO CATIONICO SOLUBLE EN AGUA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/744,172 US5200089A (en) | 1991-08-12 | 1991-08-12 | Pulp and paper mill wastewater color removal |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2070591T3 true ES2070591T3 (es) | 1995-06-01 |
Family
ID=24991730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92307327T Expired - Lifetime ES2070591T3 (es) | 1991-08-12 | 1992-08-11 | Eliminacion del color de aguas residuales de pasta quimica. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5200089A (es) |
EP (1) | EP0529865B1 (es) |
KR (1) | KR0140976B1 (es) |
AT (1) | ATE118461T1 (es) |
AU (1) | AU649155B2 (es) |
CA (1) | CA2075308A1 (es) |
DE (1) | DE69201419T2 (es) |
ES (1) | ES2070591T3 (es) |
FI (1) | FI106451B (es) |
TW (1) | TW212785B (es) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292793A (en) * | 1992-07-14 | 1994-03-08 | Nalco Chemical Company | Hydrophobic polyelectrolytes used in color removal |
US5360551A (en) * | 1993-04-01 | 1994-11-01 | Crompton & Knowles Corporation | Process for color reduction of dye wastewater |
US5368742A (en) * | 1993-06-01 | 1994-11-29 | B. G. Roberts Chemicals Inc. | Method of removing toxic resin acids and fatty acids from pulp and paper effluent and other streams |
US5435922A (en) * | 1993-06-14 | 1995-07-25 | Nalco Chemical Company | Method of removing color from waste water using an aqueous dispersion polymer |
US5326479A (en) * | 1993-09-01 | 1994-07-05 | Nalco Chemical Company | Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal |
US5435921A (en) * | 1994-05-09 | 1995-07-25 | Nalco Chemical Company | Vinylamine polymers and coagulants for removing color from paper mill effluents |
US5470480A (en) * | 1994-05-09 | 1995-11-28 | Eka Nobel, Inc. | Process for treating waste water effluent |
CA2203883A1 (en) * | 1994-10-31 | 1996-05-09 | Gerald Guerro | Methods of coagulating and decolorizing waste streams |
US5589075A (en) * | 1995-11-30 | 1996-12-31 | Nalco Chemical Company | Use of silicon containing polyelectrolytes in wastewater treatment |
US5766485A (en) * | 1995-06-06 | 1998-06-16 | General Chemical Corporation | Color removal from effluent waters |
US5679261A (en) * | 1995-11-30 | 1997-10-21 | Nalco Chemical Company | Use of silicon containing polyelectrolytes in wastewater treatment |
US5961838A (en) * | 1997-12-18 | 1999-10-05 | Nalco Chemical Company | Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water |
WO1999055625A1 (en) * | 1998-04-24 | 1999-11-04 | Nalco Chemical Company | Use of polymer dispersions for paper mill color removal |
US6466317B1 (en) | 1999-02-12 | 2002-10-15 | Steen Research, Llc. | Automatic real time monitoring of true color in waste liquids |
US6491827B1 (en) | 1999-02-12 | 2002-12-10 | Steen Research, Llc | Process for reducing true color in waste liquids |
US7422692B1 (en) * | 1999-04-12 | 2008-09-09 | Launeil Neil Sanders | Raw influent treatment processes eliminating secondary biological treatment |
KR20010103460A (ko) * | 2000-05-10 | 2001-11-23 | 박이순 | 정수처리용 응집제 조성물의 제조방법 및 이에 의한응집제 조성물 |
KR20000059008A (ko) * | 2000-07-08 | 2000-10-05 | 김우협 | 염색폐수의 착색물질 및 cod를 동시에 응집 제거하는처리제 개발 |
US6454962B1 (en) * | 2000-09-19 | 2002-09-24 | Baffin, Inc. | Elixir for removing metals from wastewater |
AU2008261116B2 (en) * | 2008-09-30 | 2013-02-07 | Central Gippsland Region Water Corporation | Process and plant for treating a water stream |
US9170193B2 (en) | 2013-06-06 | 2015-10-27 | General Electric Company | Detecting coolant leaks in turbine generators |
US9097657B2 (en) | 2013-07-23 | 2015-08-04 | General Electric Company | Leak detection of stator liquid cooling system |
AU2017204956A1 (en) | 2016-01-07 | 2018-07-12 | Central Gippsland Region Water Corporation | A membrane separation process |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3915904A (en) * | 1972-08-25 | 1975-10-28 | Betz Laboratories | Water-soluble cationic polymeric materials and their use |
US3894946A (en) * | 1973-04-02 | 1975-07-15 | American Cyanamid Co | Process for treating industrial wastes |
JPS50146160A (es) * | 1974-05-15 | 1975-11-22 | ||
JPS5435185A (en) * | 1977-08-24 | 1979-03-15 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | Cationic polymeric coagulant |
US4450092A (en) * | 1982-06-11 | 1984-05-22 | Nalco Chemical Company | Reducing turbidity in turbid waters |
CH660588A5 (de) * | 1982-10-26 | 1987-05-15 | Sulzer Ag | Verfahren zum entfernen von farbstoffen, pigmenten und/oder optischen aufhellern aus abwaessern. |
US4668403A (en) * | 1985-04-30 | 1987-05-26 | Betz Laboratories, Inc. | Process for reducing color contamination of influent water |
US4800039A (en) * | 1987-03-05 | 1989-01-24 | Calgon Corporation | Flocculation of suspended solids from aqueous solutions |
US5035808A (en) * | 1988-06-15 | 1991-07-30 | Calgon Corporation | Flocculation of suspended solids from aqueous solutions |
US4851128A (en) * | 1988-10-11 | 1989-07-25 | Nalco Chemical Company | Pulp mill waste color removal with carbon absorbents |
-
1991
- 1991-08-12 US US07/744,172 patent/US5200089A/en not_active Expired - Fee Related
-
1992
- 1992-08-04 TW TW081106078A patent/TW212785B/zh active
- 1992-08-05 AU AU20834/92A patent/AU649155B2/en not_active Ceased
- 1992-08-05 CA CA002075308A patent/CA2075308A1/en not_active Abandoned
- 1992-08-11 KR KR1019920014406A patent/KR0140976B1/ko not_active IP Right Cessation
- 1992-08-11 FI FI923590A patent/FI106451B/fi active
- 1992-08-11 EP EP92307327A patent/EP0529865B1/en not_active Expired - Lifetime
- 1992-08-11 ES ES92307327T patent/ES2070591T3/es not_active Expired - Lifetime
- 1992-08-11 AT AT92307327T patent/ATE118461T1/de not_active IP Right Cessation
- 1992-08-11 DE DE69201419T patent/DE69201419T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69201419T2 (de) | 1995-08-10 |
AU2083492A (en) | 1993-02-18 |
CA2075308A1 (en) | 1993-02-13 |
EP0529865B1 (en) | 1995-02-15 |
EP0529865A1 (en) | 1993-03-03 |
FI923590A (fi) | 1993-02-13 |
US5200089A (en) | 1993-04-06 |
FI923590A0 (fi) | 1992-08-11 |
FI106451B (fi) | 2001-02-15 |
TW212785B (es) | 1993-09-11 |
KR930004201A (ko) | 1993-03-22 |
KR0140976B1 (ko) | 1998-06-15 |
ATE118461T1 (de) | 1995-03-15 |
AU649155B2 (en) | 1994-05-12 |
DE69201419D1 (de) | 1995-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2070591T3 (es) | Eliminacion del color de aguas residuales de pasta quimica. | |
MX9206317A (es) | Aparato para tratar aguas de desecho. | |
DE69934611D1 (de) | Verfahren und Vorrichtung zum Zuführen einer Chemikalie in eine Flüssigkeitsströmung | |
FR2450238B1 (fr) | Installation d'epuration d'eaux usees | |
BR9205854A (pt) | Composiçoes de mistura curavel por UV e processos. | |
AU8533891A (en) | Removal of aox from bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill | |
DE3666238D1 (en) | Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing | |
AU7826094A (en) | Method of treating chemical paper pulp without using chlorine-containing chemicals | |
FI900994A0 (fi) | Menetelmä AOX:n, COD:N, värin, typen ja fosforin poistamiseksi metsäteollisuuden jätevesistä | |
DE69214795D1 (de) | Verfahren und Anlage zur Aufbereitung von organischem Schlamm, insbesondere Klärschlamm | |
DE69008054D1 (de) | Verfahren zur Behandlung von wasserlösliche Tinte enthaltendem Abwasser. | |
DE59102782D1 (de) | Verfahren und Anlage zur Verarbeitung von ölhaltigem Walzenzunder und ähnlichen Stoffen. | |
MA23111A1 (fr) | Procede de fabrication de papier de securite et en particulier du papier-monnaie . | |
BR9306319A (pt) | Método para purificar água de processamento ou água residual contendo resina de madeira | |
FR2663348B1 (fr) | Procede pour ameliorer le blanchiment des pates papetieres chimiques au moyen de l'ozone et pates ainsi traitees. | |
FI950761A (fi) | Menetelmä raskasmetallien eliminoimiseksi | |
FR2712076B1 (fr) | Séchoir pour produits humides, notamment de boues de station d'épuration. | |
FR2456711B1 (fr) | Procede d'elimination des impuretes d'eaux souterraines ou de surface au moyen d'ozone | |
EP0373108A3 (en) | Process for bleaching pulp | |
FR2591584B1 (fr) | Procede et installation de traitement d'eaux usees. | |
IT1154767B (it) | Dispositivo a doppia alimentazione per addensare fanghi provenienti dall'impianto di depurazione delle acque di scarico di cartiere | |
Dorica et al. | Detoxification of TMP/newsprint effluents using alum and polyelectrolyte. | |
FR2748266B3 (fr) | Procedes de traitements biocides des eaux industrielles et de baignade | |
ES530331A0 (es) | Procedimiento y aparato de tratamiento de aguas industriales por filtracion y cambio de iones. | |
FR2749840B3 (fr) | Station d'epuration des eaux usees |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 529865 Country of ref document: ES |