AR020473A1 - Metodo para desaguar lodos dificiles - Google Patents

Metodo para desaguar lodos dificiles

Info

Publication number
AR020473A1
AR020473A1 ARP990104681A ARP990104681A AR020473A1 AR 020473 A1 AR020473 A1 AR 020473A1 AR P990104681 A ARP990104681 A AR P990104681A AR P990104681 A ARP990104681 A AR P990104681A AR 020473 A1 AR020473 A1 AR 020473A1
Authority
AR
Argentina
Prior art keywords
dosed
difficult
muds
sludges
draining
Prior art date
Application number
ARP990104681A
Other languages
English (en)
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
Publication of AR020473A1 publication Critical patent/AR020473A1/es

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

La presente invencion proporciona un nuevo método para desaguar lodos difíciles, tales como lodos de digestion aerobica termofílicos autotérmicos. Elmétodo incorpora un sistema de tratamiento de tres componentes. Inicialmente, el lodo difícil es dosificado con un coagulante inorgánico y luegola mezcla de lodo-compuesto inorgánico resultante es dosificada con un componente en micropartículas. Finalmente, la mezcla resultante es dosificadacon un floculante de alto peso molecular.
ARP990104681A 1998-09-18 1999-09-17 Metodo para desaguar lodos dificiles AR020473A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/156,820 US6083404A (en) 1998-09-18 1998-09-18 Method of dewatering difficult sludges

Publications (1)

Publication Number Publication Date
AR020473A1 true AR020473A1 (es) 2002-05-15

Family

ID=22561227

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990104681A AR020473A1 (es) 1998-09-18 1999-09-17 Metodo para desaguar lodos dificiles

Country Status (15)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010030796A (ko) * 1997-09-30 2001-04-16 로날드 제이. 알레인, 지이 엠 브랜논, 더블유 이 패리 콜로이드 붕규산염 및 제지에서 이의 사용 방법
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
BRPI0418670B1 (pt) * 2003-08-29 2015-10-20 Univ Newcastle Res Ass método de separação de partículas sólidas de uma suspensão comprendendo um líquido e método decontrole da consolidação de um leito de partículas sólidas dentro de um líquido.
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
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
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
US20050274068A1 (en) * 2004-06-14 2005-12-15 Morton Edward L Bio-solid materials as alternate fuels in cement kiln, riser duct and calciner
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
US9067807B2 (en) 2009-10-20 2015-06-30 Soane Energy, Llc 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
US8480853B2 (en) 2010-10-29 2013-07-09 Buckman Laboratories International, Inc. Papermaking and products made thereby with ionic crosslinked polymeric microparticle
CA2767510C (en) * 2012-02-15 2015-07-14 Imperial Oil Resources Limited Fluid tailings flocculation and dewatering using chemically-induced micro-agglomerates
US20180195035A1 (en) * 2014-02-12 2018-07-12 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 (es) * 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
ATE340148T1 (de) 2006-10-15
ES2273503T3 (es) 2007-05-01
CA2341895C (en) 2008-04-29
DE69933300T2 (de) 2007-01-04
PT1115663E (pt) 2007-01-31
WO2000017112A1 (en) 2000-03-30
NO20011367L (no) 2001-05-09
CA2341895A1 (en) 2000-03-30
EP1115663A1 (en) 2001-07-18
NO20011367D0 (no) 2001-03-16
AU4845799A (en) 2000-04-10
EP1115663B1 (en) 2006-09-20
DK1115663T3 (da) 2007-01-29
TW509663B (en) 2002-11-11
EP1115663A4 (en) 2003-08-13
NZ510317A (en) 2003-12-19
DE69933300D1 (de) 2006-11-02
JP2002526253A (ja) 2002-08-20
US6083404A (en) 2000-07-04

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