ZA925819B - Dewatering of aqueous suspensions - Google Patents

Dewatering of aqueous suspensions

Info

Publication number: ZA925819B
Authority: ZA; South Africa
Prior art keywords: dewatering; aqueous suspensions; suspensions; aqueous
Prior art date: 1991-08-02

Application number

ZA925819A

Other languages

English (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

1993-08-03

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

1993-08-03 Publication of ZA925819B publication Critical patent/ZA925819B/xx

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)
Paper (AREA)
Removal Of Specific Substances (AREA)
Extraction Or Liquid Replacement (AREA)

ZA925819A 1991-08-02 1992-08-03 Dewatering of aqueous suspensions ZA925819B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9116702A GB9116702D0 (en)	1991-08-02	1991-08-02	Dewatering of aqueous suspensions

Publications (1)

Publication Number	Publication Date
ZA925819B true ZA925819B (en)	1993-08-03

Family

ID=10699405

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA925819A ZA925819B (en)	1991-08-02	1992-08-03	Dewatering of aqueous suspensions

Country Status (11)

Country	Link
EP (1)	EP0597950A1 (xx)
JP (1)	JPH06509741A (xx)
AU (1)	AU2379992A (xx)
BR (1)	BR9206330A (xx)
CA (1)	CA2114437A1 (xx)
FI (1)	FI940436L (xx)
GB (1)	GB9116702D0 (xx)
MX (1)	MX9204516A (xx)
NO (1)	NO940336D0 (xx)
WO (1)	WO1993002966A1 (xx)
ZA (1)	ZA925819B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5637191A (en) *	1992-04-15	1997-06-10	Allied Colloids Limited	Treatment of cellulosic material and compositions for use in this
GB9322118D0 (en) *	1993-10-27	1993-12-15	Allied Colloids Ltd	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
WO1996013464A1 (en) *	1994-10-31	1996-05-09	Cytec Technology Corporation	Methods of coagulating and decolorizing waste streams
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 (ru) *	2000-06-28	2001-01-27	Акционерное общество закрытого типа "К-СТ Интернейшнл"	Способ очистки технологических вод
US6413433B1 (en)	2000-08-31	2002-07-02	Nalco Chemical Company	Method for dewatering of sludge
JP3969355B2 (ja) *	2003-06-24	2007-09-05	株式会社石垣	懸濁物質の凝集処理方法
JP4048369B2 (ja) *	2003-07-17	2008-02-20	株式会社蓬莱組	ヘドロ状態の高濃度泥水用脱水剤およびヘドロ状態の高濃度泥水の処理方法
CN103466839A (zh) *	2013-09-26	2013-12-25	东莞玖龙纸业有限公司	一种油墨废水的处理方法
ES2941733T3 (es) *	2017-12-15	2023-05-25	Kemira Oyj	Método para el tratamiento de alimentación acuosa mediante flotación de gas disuelto
CN116639772B (zh) *	2023-06-12	2025-08-01	广东鑫菱环境科技有限公司	一种pcb板退膜废液循环再生利用的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1472923A (fr) *	1963-12-30	1967-03-17	Hollifield Corp	Procédé pour clarifier des fluides effluents de déchets provenant du désencrage de papiers imprimés
US3617568A (en) *	1970-01-02	1971-11-02	Standard Oil Co	Process for flocculating colloidal particles by the sequential addition of polymers
DE3627407C2 (de) *	1986-08-13	1994-05-19	Steinbeis Temming Papier Gmbh	Verfahren zur Reinigung von Wasserkreisläufen bei der Halbstoff- und Papierherstellung
FR2649091B1 (fr) *	1989-06-29	1991-10-04	Du Pin Cellulose	Procede et dispositif pour le traitement des effluents contenant des encres a l'eau

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 MX MX9204516A patent/MX9204516A/es unknown
- 1992-08-03 CA CA 2114437 patent/CA2114437A1/en not_active Abandoned
- 1992-08-03 JP JP5503407A patent/JPH06509741A/ja active Pending
- 1992-08-03 WO PCT/GB1992/001429 patent/WO1993002966A1/en not_active Ceased
- 1992-08-03 EP EP92916626A patent/EP0597950A1/en not_active Withdrawn
- 1992-08-03 FI FI940436A patent/FI940436L/fi not_active Application Discontinuation
- 1992-08-03 ZA ZA925819A patent/ZA925819B/xx unknown
- 1992-08-03 BR BR9206330A patent/BR9206330A/pt not_active Application Discontinuation
1994
- 1994-02-01 NO NO940336A patent/NO940336D0/no unknown

Also Published As

Publication number	Publication date
FI940436A0 (fi)	1994-01-28
AU2379992A (en)	1993-03-02
NO940336L (no)	1994-02-01
MX9204516A (es)	1993-04-01
EP0597950A1 (en)	1994-05-25
NO940336D0 (no)	1994-02-01
GB9116702D0 (en)	1991-09-18
FI940436A7 (fi)	1994-01-28
FI940436L (fi)	1994-01-28
JPH06509741A (ja)	1994-11-02
BR9206330A (pt)	1994-10-11
WO1993002966A1 (en)	1993-02-18
CA2114437A1 (en)	1993-02-18

Publication	Publication Date	Title
AR244789A1 (es)	1993-11-30	Suspensiones acuosas de acidos peroxicarboxilicos.
GB8725378D0 (en)	1987-12-02	Aqueous suspensions
ZA915024B (en)	1992-08-26	Purification of aqueous liquor
FI940437L (fi)	1994-01-28	Vedenpoisto vesipitoisista suspensioista
GB8618339D0 (en)	1986-09-03	Flocculation of aqueous suspensions
GB9516254D0 (en)	1995-10-11	Dewatering of aqueous suspensions
HU9301113D0 (en)	1993-08-30	Preparative of aqueous extracts
GB9116702D0 (en)	1991-09-18	Dewatering of aqueous suspensions
ZA933872B (en)	1993-12-27	Dewatering of slurries
JPS6460688A (en)	1989-03-07	Aqueous arylfluorophosphite suspension
GB9116699D0 (en)	1991-09-18	Dewatering of aqueous suspensions
GB2260967B (en)	1995-08-23	Suspension member
ZA912503B (en)	1992-01-29	Bleacing of chemical pulp
GB9408264D0 (en)	1994-06-15	Stabilised aqueous suspensions of bleach
GB9215256D0 (en)	1992-09-02	Stabilised aqueous suspensions of bleach
ZA917902B (en)	1992-11-25	Method of de-watering suspensions
AU7878898A (en)	1998-10-01	Dewatering of aqueous suspensions
GB9602301D0 (en)	1996-04-03	Stabilised aqueous suspensions of bleach
GB9111933D0 (en)	1991-07-24	Improved papermaking process
GB9127482D0 (en)	1992-02-19	Purification of aqueous liquors
GB9103234D0 (en)	1991-04-03	Production of paper
ZA925332B (en)	1993-04-28	Dewatering of coal
GB9508011D0 (en)	1995-06-07	Stabilised aqueous suspensions of bleach
GB9524325D0 (en)	1996-01-31	Stabilised aqueous suspensions of bleach
GB8314916D0 (en)	1983-07-06	Aqueous suspensions