DE69933300D1 - Verfahren zur entwässerung komplexer schlämme - Google Patents

Verfahren zur entwässerung komplexer schlämme

Info

Publication number
DE69933300D1
DE69933300D1 DE69933300T DE69933300T DE69933300D1 DE 69933300 D1 DE69933300 D1 DE 69933300D1 DE 69933300 T DE69933300 T DE 69933300T DE 69933300 T DE69933300 T DE 69933300T DE 69933300 D1 DE69933300 D1 DE 69933300D1
Authority
DE
Germany
Prior art keywords
complex fluids
draining
draining complex
fluids
complex
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
Application number
DE69933300T
Other languages
English (en)
Other versions
DE69933300T2 (de
Inventor
G Sommese
Jitendra Shah
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.)
ChampionX LLC
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.)
Filing date
Publication date
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69933300D1 publication Critical patent/DE69933300D1/de
Publication of DE69933300T2 publication Critical patent/DE69933300T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • 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
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
DE69933300T 1998-09-18 1999-06-29 Verfahren zur entwässerung komplexer schlämme Expired - Lifetime DE69933300T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/156,820 US6083404A (en) 1998-09-18 1998-09-18 Method of dewatering difficult sludges
US156820 1998-09-18
PCT/US1999/014750 WO2000017112A1 (en) 1998-09-18 1999-06-29 Method of dewatering difficult sludges

Publications (2)

Publication Number Publication Date
DE69933300D1 true DE69933300D1 (de) 2006-11-02
DE69933300T2 DE69933300T2 (de) 2007-01-04

Family

ID=22561227

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933300T Expired - Lifetime DE69933300T2 (de) 1998-09-18 1999-06-29 Verfahren zur entwässerung komplexer schlämme

Country Status (15)

Country Link
US (1) US6083404A (de)
EP (1) EP1115663B1 (de)
JP (1) JP2002526253A (de)
AR (1) AR020473A1 (de)
AT (1) ATE340148T1 (de)
AU (1) AU4845799A (de)
CA (1) CA2341895C (de)
DE (1) DE69933300T2 (de)
DK (1) DK1115663T3 (de)
ES (1) ES2273503T3 (de)
NO (1) NO20011367L (de)
NZ (1) NZ510317A (de)
PT (1) PT1115663E (de)
TW (1) TW509663B (de)
WO (1) WO2000017112A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ503602A (en) * 1997-09-30 2001-03-30 Nalco Chemical Co Synthetic amorphous borosilicates and their use in the production of paper
US6132625A (en) 1998-05-28 2000-10-17 E. I. Du Pont De Nemours And Company Method for treatment of aqueous streams comprising biosolids
US6685834B1 (en) * 1999-12-20 2004-02-03 Kruger, Inc. Method for conditioning and dewatering thermophilic aerobically digested biosolids
US6413433B1 (en) * 2000-08-31 2002-07-02 Nalco Chemical Company Method for dewatering of sludge
US20020160503A1 (en) * 2001-02-09 2002-10-31 Maresch Martin Jeffery Method for the separation of adsorbents from microbiological growth media
US6780330B2 (en) 2001-03-09 2004-08-24 E. I. Du Pont De Nemours And Company Removal of biomaterials from aqueous streams
US6596176B1 (en) * 2001-06-26 2003-07-22 Delozier Ii Gerald Edward Potable water treatable process using hydrogen peroxide and metallic coagulant
US8123944B2 (en) * 2001-08-28 2012-02-28 Clearvalue Technologies, Inc. Processes of aqueous solids treatment
US6964737B2 (en) * 2002-06-14 2005-11-15 Duke University Systems for water and wastewater sludge treatment using floc or network strength
US20040149661A1 (en) * 2003-01-24 2004-08-05 United States Filter Corporation Effect of cations on activated sludge characteristics
AU2004267875B2 (en) * 2003-08-29 2010-09-02 Newcastle Innovation Limited Stimulant sensitive flocculation and consolidation
US7461466B2 (en) * 2004-06-14 2008-12-09 Lehigh Cement Company Method and apparatus for drying wet bio-solids using excess heat from a cement clinker cooler
US20050274068A1 (en) * 2004-06-14 2005-12-15 Morton Edward L Bio-solid materials as alternate fuels in cement kiln, riser duct and calciner
US7434332B2 (en) * 2004-06-14 2008-10-14 Lehigh Cement Company Method and apparatus for drying wet bio-solids using excess heat from a cement clinker cooler
US20050274293A1 (en) * 2004-06-14 2005-12-15 Lehigh Cement Company Method and apparatus for drying wet bio-solids using excess heat recovered from cement manufacturing process equipment
US8658411B2 (en) 2005-04-21 2014-02-25 Ibiden Co., Ltd. Method of treating wastewater containing organic compound
US8404121B2 (en) * 2009-08-11 2013-03-26 Anaergia Inc. Method for separating suspended solids from a waste fluid
CA2779280A1 (en) 2009-10-20 2011-04-28 David Soane Treatment of wastewater
JP2011120328A (ja) * 2009-12-01 2011-06-16 Yaskawa Electric Corp 永久磁石形モータ用のロータ、永久磁石形モータ及びこれらの製造方法
US8764974B2 (en) * 2010-04-16 2014-07-01 Nalco Company Processing aids to improve the bitumen recovery and froth quality in oil sands extraction processes
CN103282582B (zh) 2010-10-29 2016-02-24 巴克曼实验室国际公司 利用离子型交联的聚合物微粒造纸以及由此制造的产品
CA2767510C (en) * 2012-02-15 2015-07-14 Imperial Oil Resources Limited Fluid tailings flocculation and dewatering using chemically-induced micro-agglomerates
WO2015123433A2 (en) * 2014-02-12 2015-08-20 Goddard Labs, Inc. Rapid detection of human pathogens in plant material or water
CN104692612B (zh) * 2015-03-18 2016-06-01 浙江埃柯赛环境科技股份有限公司 造纸污泥脱水复合絮凝剂
WO2018045543A1 (en) * 2016-09-09 2018-03-15 Kemira Oyj Process for improved sludge dewatering

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328298Y2 (de) * 1975-10-02 1978-07-17
US4382864A (en) * 1980-08-08 1983-05-10 Kurita Water Industries Ltd. Process for dewatering sludges
US4588508A (en) * 1984-11-13 1986-05-13 Nalco Cehmical Company Bimodal cationics for water clarification
JPH06114209A (ja) * 1992-10-07 1994-04-26 Tokiwa Kensetsu Kk 水処理剤と水処理方法
FR2719234B1 (fr) * 1994-05-02 1999-08-13 Omnium Traitement Valorisa Procédé et installation de traitement d'un écoulement brut par décantation simple après lestage au sable fin.
GB9411444D0 (en) * 1994-06-08 1994-07-27 Cdm Ab Dewatering of suspensions
US5779910A (en) * 1996-04-08 1998-07-14 Cytec Technology Corp. Enhanced flocculation of mineral slurry with polymer blends

Also Published As

Publication number Publication date
NO20011367D0 (no) 2001-03-16
AU4845799A (en) 2000-04-10
JP2002526253A (ja) 2002-08-20
CA2341895A1 (en) 2000-03-30
DE69933300T2 (de) 2007-01-04
PT1115663E (pt) 2007-01-31
AR020473A1 (es) 2002-05-15
EP1115663A1 (de) 2001-07-18
CA2341895C (en) 2008-04-29
WO2000017112A1 (en) 2000-03-30
NZ510317A (en) 2003-12-19
DK1115663T3 (da) 2007-01-29
ATE340148T1 (de) 2006-10-15
EP1115663B1 (de) 2006-09-20
ES2273503T3 (es) 2007-05-01
EP1115663A4 (de) 2003-08-13
US6083404A (en) 2000-07-04
NO20011367L (no) 2001-05-09
TW509663B (en) 2002-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: HEYER, V., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 806