FI940436L - Dewatering from aqueous suspensions - Google Patents

Dewatering from aqueous suspensions Download PDF

Info

Publication number: FI940436L
Authority: FI; Finland
Prior art keywords: dewatering; aqueous suspensions; suspensions; aqueous
Prior art date: 1991-08-02

Application number

FI940436A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI940436A7 (en

FI940436A0 (en

Inventor

John Graham Langley

Peter Robin Broughton Lawrence

Original Assignee

Allied Colloids Ltd

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.)

1991-08-02

Filing date

1992-08-03

Publication date

1994-01-28

1992-08-03 Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd

1994-01-28 Publication of FI940436A7 publication Critical patent/FI940436A7/en

1994-01-28 Publication of FI940436A0 publication Critical patent/FI940436A0/en

1994-01-28 Publication of FI940436L publication Critical patent/FI940436L/en

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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
- 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
- C02F1/54—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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling

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)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Extraction Or Liquid Replacement (AREA)
Removal Of Specific Substances (AREA)
Paper (AREA)

FI940436A 1991-08-02 1992-08-03 Dewatering from aqueous suspensions FI940436L (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9116702A GB9116702D0 (en)	1991-08-02	1991-08-02	Dewatering of aqueous suspensions
PCT/GB1992/001429 WO1993002966A1 (en)	1991-08-02	1992-08-03	Dewatering of aqueous suspensions

Publications (3)

Publication Number	Publication Date
FI940436A7 FI940436A7 (en)	1994-01-28
FI940436A0 FI940436A0 (en)	1994-01-28
FI940436L true FI940436L (en)	1994-01-28

Family

ID=10699405

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI940436A FI940436L (en)	1991-08-02	1992-08-03	Dewatering from aqueous suspensions

Country Status (11)

Country	Link
EP (1)	EP0597950A1 (en)
JP (1)	JPH06509741A (en)
AU (1)	AU2379992A (en)
BR (1)	BR9206330A (en)
CA (1)	CA2114437A1 (en)
FI (1)	FI940436L (en)
GB (1)	GB9116702D0 (en)
MX (1)	MX9204516A (en)
NO (1)	NO940336L (en)
WO (1)	WO1993002966A1 (en)
ZA (1)	ZA925819B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9322118D0 (en) *	1993-10-27	1993-12-15	Allied Colloids Ltd	Treatment of cellulosic material and compositions for use in this
US5637191A (en) *	1992-04-15	1997-06-10	Allied Colloids Limited	Treatment of cellulosic material and compositions for use in this
US5454955A (en) *	1994-03-25	1995-10-03	Nalco Chemical Company	Use of hectorite as a clarification aid for deink plant effluent
ES2125671T3 (en) *	1994-10-31	1999-03-01	Cytec Tech Corp	COAGULATION AND DECOLORATION PROCEDURES OF RESIDUAL CURRENTS.
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
RU2162445C1 (en) *	2000-06-28	2001-01-27	Акционерное общество закрытого типа "К-СТ Интернейшнл"	Method of purification of industrial water
US6413433B1 (en)	2000-08-31	2002-07-02	Nalco Chemical Company	Method for dewatering of sludge
JP3969355B2 (en) *	2003-06-24	2007-09-05	株式会社石垣	Method for agglomeration of suspended material
JP4048369B2 (en) *	2003-07-17	2008-02-20	株式会社蓬莱組	Sludge dewatering agent for high concentration mud and treatment method for sludge high concentration mud
CN103466839A (en) *	2013-09-26	2013-12-25	东莞玖龙纸业有限公司	A kind of treatment method of ink waste water
WO2019115882A1 (en) *	2017-12-15	2019-06-20	Kemira Oyj	Method for treating aqueous feed by dissolved gas flotation
CN116639772B (en) *	2023-06-12	2025-08-01	广东鑫菱环境科技有限公司	Method for recycling waste liquid of film stripping of PCB

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1472923A (en) *	1963-12-30	1967-03-17	Hollifield Corp	Process for clarifying waste effluent fluids from the deinking of printed papers
US3617568A (en) *	1970-01-02	1971-11-02	Standard Oil Co	Process for flocculating colloidal particles by the sequential addition of polymers
DE3627407C2 (en) *	1986-08-13	1994-05-19	Steinbeis Temming Papier Gmbh	Process for cleaning water circuits in pulp and paper production
FR2649091B1 (en) *	1989-06-29	1991-10-04	Du Pin Cellulose	PROCESS AND DEVICE FOR THE TREATMENT OF EFFLUENTS CONTAINING INKS WITH WATER

1991
- 1991-08-02 GB GB9116702A patent/GB9116702D0/en active Pending
1992
- 1992-08-03 AU AU23799/92A patent/AU2379992A/en not_active Abandoned
- 1992-08-03 BR BR9206330A patent/BR9206330A/en not_active Application Discontinuation
- 1992-08-03 FI FI940436A patent/FI940436L/en not_active Application Discontinuation
- 1992-08-03 WO PCT/GB1992/001429 patent/WO1993002966A1/en not_active Ceased
- 1992-08-03 MX MX9204516A patent/MX9204516A/en unknown
- 1992-08-03 ZA ZA925819A patent/ZA925819B/en unknown
- 1992-08-03 CA CA 2114437 patent/CA2114437A1/en not_active Abandoned
- 1992-08-03 JP JP5503407A patent/JPH06509741A/en active Pending
- 1992-08-03 EP EP92916626A patent/EP0597950A1/en not_active Withdrawn
1994
- 1994-02-01 NO NO940336A patent/NO940336L/en unknown

Also Published As

Publication number	Publication date
ZA925819B (en)	1993-08-03
NO940336D0 (en)	1994-02-01
EP0597950A1 (en)	1994-05-25
FI940436A7 (en)	1994-01-28
JPH06509741A (en)	1994-11-02
FI940436A0 (en)	1994-01-28
WO1993002966A1 (en)	1993-02-18
GB9116702D0 (en)	1991-09-18
CA2114437A1 (en)	1993-02-18
BR9206330A (en)	1994-10-11
AU2379992A (en)	1993-03-02
MX9204516A (en)	1993-04-01
NO940336L (en)	1994-02-01

Publication	Publication Date	Title
FI940437L (en)	1994-01-28	Dewatering from aqueous suspensions
DE69120096D1 (en)	1996-07-18	Treated papers
FI913930L (en)	1992-02-23	FOERFARANDE FOER BEHANDLING AV PULP.
DE69209569D1 (en)	1996-05-09	Aqueous dispersion
DE69212443D1 (en)	1996-08-29	Suspension system
DE59003341D1 (en)	1993-12-09	Suspension.
FI940436A7 (en)	1994-01-28	Dewatering from aqueous suspensions
DE59100602D1 (en)	1993-12-23	Suspension.
DE69216870D1 (en)	1997-03-06	suspension
FI923607L (en)	1993-02-14	FOERBAETTRINGAR I PULPMASKINER FOER ATT DISPERGERA CELLULOSE PULP
NO900159D0 (en)	1990-01-12	SUSPENSION.
DK0662171T3 (en)	2000-03-20	Papermaking
DE69011984D1 (en)	1994-10-06	Suspension element.
DE4493351T1 (en)	1996-08-22	Papermaking process
DE69010340D1 (en)	1994-08-04	SUSPENSION ARRANGEMENT.
NO921775D0 (en)	1992-05-05	BETWEEN STOCK
MX9204513A (en)	1993-04-01	DEHYDRATION OF AQUEOUS SUSPENSIONS.
DE69302999D1 (en)	1996-07-11	Dobby
FI940708A7 (en)	1994-02-15	Device for dewatering pulp suspension
FI935843A7 (en)	1993-12-23	Pulp formation unit
SE9101981D0 (en)	1991-06-27	dewatering
FI920615A7 (en)	1992-08-16	Papermaking
FI90674C (en)	1994-03-10	Headbox
FI910417A7 (en)	1992-07-30	SUSPENSION ELEMENT.
BR9001889A (en)	1991-11-12	FILTERING HYDROCYCLONE

Legal Events

Date	Code	Title	Description
1995-01-18	FD	Application lapsed