GB2283485B - Treatment of sludge - Google Patents

Treatment of sludge

Info

Publication number: GB2283485B
Authority: GB; United Kingdom
Prior art keywords: sludge; treatment
Prior art date: 1992-08-03
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 - Fee Related

Application number

GB9500357A

Other versions

GB2283485A (en

GB9500357D0 (en

Inventor

John Andrew Hobson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

WRC PLC

Original Assignee

WRC PLC

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.)

1992-08-03

Filing date

1993-08-03

Publication date

1996-05-01

1993-08-03 Application filed by WRC PLC filed Critical WRC PLC

1995-03-08 Publication of GB9500357D0 publication Critical patent/GB9500357D0/en

1995-05-10 Publication of GB2283485A publication Critical patent/GB2283485A/en

1996-05-01 Application granted granted Critical

1996-05-01 Publication of GB2283485B publication Critical patent/GB2283485B/en

2013-08-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/345—Biological treatment of water, waste water, or sewage characterised by the microorganisms used for biological oxidation or reduction of sulfur compounds
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

Life Sciences & Earth Sciences (AREA)
Microbiology (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Biodiversity & Conservation Biology (AREA)
Health & Medical Sciences (AREA)
Molecular Biology (AREA)
Removal Of Specific Substances (AREA)

GB9500357A 1992-08-03 1993-08-03 Treatment of sludge Expired - Fee Related GB2283485B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9216457A GB9216457D0 (en)	1992-08-03	1992-08-03	Treatment of sewage sludge
PCT/GB1993/001637 WO1994003403A1 (en)	1992-08-03	1993-08-03	Treatment of sludge

Publications (3)

Publication Number	Publication Date
GB9500357D0 GB9500357D0 (en)	1995-03-08
GB2283485A GB2283485A (en)	1995-05-10
GB2283485B true GB2283485B (en)	1996-05-01

Family

ID=10719743

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB9216457A Pending GB9216457D0 (en)	1992-08-03	1992-08-03	Treatment of sewage sludge
GB9500357A Expired - Fee Related GB2283485B (en)	1992-08-03	1993-08-03	Treatment of sludge

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB9216457A Pending GB9216457D0 (en)	1992-08-03	1992-08-03	Treatment of sewage sludge

Country Status (3)

Country	Link
EP (1)	EP0652853A1 (en)
GB (2)	GB9216457D0 (en)
WO (1)	WO1994003403A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0788394B1 (en) *	1994-02-16	2000-05-17	British Nuclear Fuels PLC	Process for the treatment of contaminated material
CZ241696A3 (en) *	1994-02-16	1997-03-12	British Nuclear Fuels Plc	Process of treating contaminated material
EP0871597B1 (en) *	1995-01-14	1999-12-01	VESTERAGER, Niels Ole	Method of treating a biomass in order to remove heavy metals with hydrogen sulphide
WO2000021891A1 (en) *	1998-10-15	2000-04-20	Water Research Commission	Treatment of water containing carbonaceous solids
CN104230129A (en) *	2014-09-01	2014-12-24	陈小洁	Activated sludge treatment method
CN111517604A (en) *	2019-01-31	2020-08-11	江阴市周北污水处理有限公司	An industrial sewage treatment plant sludge sulfur reduction treatment system
CN114620907B (en) *	2022-04-15	2023-05-05	合肥工业大学	Autotrophic deep denitrification method for producing hydrogen sulfide by utilizing sludge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4370233A (en) *	1981-07-10	1983-01-25	Cornell Research Foundation, Inc.	Chemical detoxification of sewage sludge
FR2548213A1 (en) *	1983-06-20	1985-01-04	Duncan Lagnese & Ass Inc	PROCESS FOR THE BIOLOGICAL REDUCTION OF SULFUR OXIDES AND THE OXIDATION OF ORGANIC MATERIALS
DD290408A5 (en) *	1989-12-20	1991-05-29	Veb Wasserversorgung Und Abwasserbehandlung,De	METHOD FOR ELIMINATING HEAVY METALS FROM CRYSTAL BLOCKS
WO1991016269A1 (en) *	1990-04-12	1991-10-31	Paques B.V.	Process for the treatment of water containing sulphur compounds

1992
- 1992-08-03 GB GB9216457A patent/GB9216457D0/en active Pending
1993
- 1993-08-03 WO PCT/GB1993/001637 patent/WO1994003403A1/en not_active Ceased
- 1993-08-03 EP EP19930917977 patent/EP0652853A1/en not_active Withdrawn
- 1993-08-03 GB GB9500357A patent/GB2283485B/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4370233A (en) *	1981-07-10	1983-01-25	Cornell Research Foundation, Inc.	Chemical detoxification of sewage sludge
FR2548213A1 (en) *	1983-06-20	1985-01-04	Duncan Lagnese & Ass Inc	PROCESS FOR THE BIOLOGICAL REDUCTION OF SULFUR OXIDES AND THE OXIDATION OF ORGANIC MATERIALS
DD290408A5 (en) *	1989-12-20	1991-05-29	Veb Wasserversorgung Und Abwasserbehandlung,De	METHOD FOR ELIMINATING HEAVY METALS FROM CRYSTAL BLOCKS
WO1991016269A1 (en) *	1990-04-12	1991-10-31	Paques B.V.	Process for the treatment of water containing sulphur compounds

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Chemical abstract,Vol 111,No.10,83507e and Environ.Int.Vol 14,No.6,1988 Pages 553-561. *
Dirkzwager A.H. & L`Hermite P.`Sewage Sludge Treatment And Use:New Developments, *
Technological Aspects and Environmental Aspects' 1988 , Elsevier, London GB *
W.H.Rulkens ET AL.: Removal Of Heavy Metal From Sewage Sludge Pages 145-159. *

Also Published As

Publication number	Publication date
GB2283485A (en)	1995-05-10
EP0652853A1 (en)	1995-05-17
WO1994003403A1 (en)	1994-02-17
GB9216457D0 (en)	1992-09-16
GB9500357D0 (en)	1995-03-08

Publication	Publication Date	Title
ZA933519B (en)	1995-02-20	Treatment of wastewater
AP9200459A0 (en)	1993-01-31	Treatment of wastewater
GB2269164B (en)	1996-03-27	Treatment of polyvinylchloride
GB2270909B (en)	1996-02-21	Sewage treatment
GB2283485B (en)	1996-05-01	Treatment of sludge
GB2273926B (en)	1996-04-03	Treatment of water
GB9218027D0 (en)	1992-10-14	Novel method of treatment
GB9206079D0 (en)	1992-05-06	Treatment of water
GB9202196D0 (en)	1992-03-18	Method of treatment
GB2265366B (en)	1996-07-31	Treatment of waste
GB9201193D0 (en)	1992-03-11	Treatment of liquids
ZA93491B (en)	1993-08-23	Treatment of psychoses
GB9408916D0 (en)	1994-06-22	Treatment of sewage
GB9201391D0 (en)	1992-03-11	Method of treatment
GB9218597D0 (en)	1992-10-14	Novel method of treatment
GB9309879D0 (en)	1993-06-23	Wastewater treatment process
GB9212535D0 (en)	1992-07-22	Treatment of boimass
ZA946379B (en)	1995-03-31	Treatment of wastewater
ZA943521B (en)	1995-01-23	Treatment of wastewater
AU7323091A (en)	1991-09-03	Treatment of wastewater
GB9212245D0 (en)	1992-07-22	Treatment of water
GB9224425D0 (en)	1993-01-13	Effluent treatment
GB9201973D0 (en)	1992-03-18	Effluent treatment
AU4014393A (en)	1994-01-27	Treatment of sewage sludge
GB9218767D0 (en)	1992-10-21	Treatment of liquids

Legal Events

Date	Code	Title	Description
2011-04-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20100803