ATE118461T1 - Entfärbung von abwässern der zellstoffabriken. - Google Patents

Entfärbung von abwässern der zellstoffabriken.

Info

Publication number: ATE118461T1
Authority: AT; Austria
Prior art keywords: decoloring; waste water; pulp mills; decolorizing; pulp
Prior art date: 1991-08-12

Application number

AT92307327T

Other languages

English (en)

Inventor

Kristine S Siefert

Manian Ramesh

Martha R Finck

Chandrashekar S Shetty

Original Assignee

Nalco Chemical Co

Priority date (The priority date 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 date listed.)

1991-08-12

Filing date

1992-08-11

Publication date

1995-03-15

1992-08-11 Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co

1995-03-15 Application granted granted Critical

1995-03-15 Publication of ATE118461T1 publication Critical patent/ATE118461T1/de

Links

239000002351 wastewater Substances 0.000 title 1
-1 cationic amine Chemical class 0.000 abstract 1
235000003891 ferrous sulphate Nutrition 0.000 abstract 1
239000011790 ferrous sulphate Substances 0.000 abstract 1
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 1
229910000359 iron(II) sulfate Inorganic materials 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1

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)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Paper (AREA)
Soft Magnetic Materials (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

AT92307327T 1991-08-12 1992-08-11 Entfärbung von abwässern der zellstoffabriken. ATE118461T1 (de)

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
ATE118461T1 true ATE118461T1 (de)	1995-03-15

Family

ID=24991730

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT92307327T ATE118461T1 (de)	1991-08-12	1992-08-11	Entfärbung von abwässern der zellstoffabriken.

Country Status (10)

Country	Link
US (1)	US5200089A (de)
EP (1)	EP0529865B1 (de)
KR (1)	KR0140976B1 (de)
AT (1)	ATE118461T1 (de)
AU (1)	AU649155B2 (de)
CA (1)	CA2075308A1 (de)
DE (1)	DE69201419T2 (de)
ES (1)	ES2070591T3 (de)
FI (1)	FI106451B (de)
TW (1)	TW212785B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
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
US5470480A (en) *	1994-05-09	1995-11-28	Eka Nobel, Inc.	Process for treating waste water effluent
US5435921A (en) *	1994-05-09	1995-07-25	Nalco Chemical Company	Vinylamine polymers and coagulants for removing color from paper mill effluents
EP0789673B1 (de) *	1994-10-31	1998-12-16	Cytec Technology Corp.	Verfahren zum koagulieren und entfärben von abwässern
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
RU2125540C1 (ru) *	1997-03-19	1999-01-27	Лариса Николаевна Божко	Способ очистки воды обработкой в подающем трубопроводе с катионным флокулянтом
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
AU3758699A (en) *	1998-04-24	1999-11-16	Nalco Chemical Company	Use of polymer dispersions for paper mill color removal
US6491827B1 (en)	1999-02-12	2002-12-10	Steen Research, Llc	Process for reducing true color in waste liquids
US6466317B1 (en)	1999-02-12	2002-10-15	Steen Research, Llc.	Automatic real time monitoring of 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
RU2188162C1 (ru) *	2001-05-30	2002-08-27	Михайлов Владимир Александрович	Способ очистки воды обработкой в подающем трубопроводе с катионным флокулянтом
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
WO2017117632A1 (en)	2016-01-07	2017-07-13	Central Gippsland Region Water Corporation	A membrane separation process

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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 (de) *	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
US4746457A (en) *	1987-03-05	1988-05-24	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 CA CA002075308A patent/CA2075308A1/en not_active Abandoned
- 1992-08-05 AU AU20834/92A patent/AU649155B2/en not_active Ceased
- 1992-08-11 KR KR1019920014406A patent/KR0140976B1/ko not_active Expired - Fee Related
- 1992-08-11 EP EP92307327A patent/EP0529865B1/de not_active Expired - Lifetime
- 1992-08-11 AT AT92307327T patent/ATE118461T1/de not_active IP Right Cessation
- 1992-08-11 FI FI923590A patent/FI106451B/fi active
- 1992-08-11 DE DE69201419T patent/DE69201419T2/de not_active Expired - Fee Related
- 1992-08-11 ES ES92307327T patent/ES2070591T3/es not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US5200089A (en)	1993-04-06
FI923590L (fi)	1993-02-13
TW212785B (de)	1993-09-11
CA2075308A1 (en)	1993-02-13
DE69201419T2 (de)	1995-08-10
EP0529865A1 (de)	1993-03-03
DE69201419D1 (de)	1995-03-23
KR930004201A (ko)	1993-03-22
FI923590A0 (fi)	1992-08-11
KR0140976B1 (ko)	1998-06-15
AU2083492A (en)	1993-02-18
ES2070591T3 (es)	1995-06-01
AU649155B2 (en)	1994-05-12
FI106451B (fi)	2001-02-15
EP0529865B1 (de)	1995-02-15

Legal Events

Date	Code	Title	Description
1995-08-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties

Publication	Publication Date	Title
ATE118461T1 (de)	1995-03-15	Entfärbung von abwässern der zellstoffabriken.
CA2190490A1 (en)	1995-11-23	Method and Compositions for Treating Recirculating Water Systems
FI935751L (fi)	1994-06-24	Menetelmä jätemateriaalisuspensioiden käsittelemiseksi
MX9206317A (es)	1993-06-01	Aparato para tratar aguas de desecho.
DK355585D0 (da)	1985-08-05	Fremgangsmaade til limning af papir med anioniske, hydrofobe limningsmidler og kationiske retentionsmidler
NO944406D0 (no)	1994-11-17	Nye 7 se inhibitorer
FI945514A7 (fi)	1994-11-23	Menetelmä ja laite valkaisimon jätevesien käsittelemiseksi
GB2186275B (en)	1990-11-14	System and method for treating pulp & paper mill waste paper.
AU8533891A (en)	1992-04-15	Removal of aox from bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill
FI970790L (fi)	1997-02-25	Paperitehtaassa syntyvän lietteen tai vastaavien lietteiden muokkaus
FI961419A7 (fi)	1996-03-29	Menetelmä kemiallisen paperimassan käsittelemiseksi käyttämättä klooripitoisia kemikaaleja
AU7627891A (en)	1991-11-07	Method for treatment and recycling of pulp mill bleach plant effluents
AU7687891A (en)	1991-10-30	Method for treating mechanical pulp plant effluent
FI900994A0 (fi)	1990-02-27	Menetelmä AOX:n, COD:N, värin, typen ja fosforin poistamiseksi metsäteollisuuden jätevesistä
FI96779C (fi)	1996-08-26	Kaksisuuntaisen virran omaava vasaramylly kuitupitoisten aineiden jalostamiseksi
DE59102782D1 (de)	1994-10-13	Verfahren und Anlage zur Verarbeitung von ölhaltigem Walzenzunder und ähnlichen Stoffen.
MA23111A1 (fr)	1994-10-01	Procede de fabrication de papier de securite et en particulier du papier-monnaie .
FR2656662B1 (fr)	1992-04-10	Machine pour l'entretien et la reparation des pilons des enfourneuses de cokerie.
PT669422E (pt)	2002-05-31	Processo para a eliminacao de metais pesados
FI954882L (fi)	1995-10-13	Laitteisto ja menetelmä keräyspaperimassalietteen käsittelemiseksi
FI940964A0 (fi)	1994-03-01	Menetelmä vesipitoisen kasvimateriaalin uudelleenkäyttöä varten
FI913189A7 (fi)	1991-07-01	Menetelmä ja laite massakiintoaineen talteenottamiseksi paperitehtaan jätevesistä
MX9605549A (es)	1998-02-28	Metodo y composiciones para tratar sistemas de agua de recirculacion.
ZA915291B (en)	1992-03-25	Method for treating mechanical pulp plant effluent
ATE183730T1 (de)	1999-09-15	Verfahren zur entsäuerung und filtration von wasser