SE9903594L - Cationic polymers for sludge dewatering - Google Patents

Cationic polymers for sludge dewatering

Info

Publication number
SE9903594L
SE9903594L SE9903594A SE9903594A SE9903594L SE 9903594 L SE9903594 L SE 9903594L SE 9903594 A SE9903594 A SE 9903594A SE 9903594 A SE9903594 A SE 9903594A SE 9903594 L SE9903594 L SE 9903594L
Authority
SE
Sweden
Prior art keywords
flocculant
composition
sludge
weight
aid
Prior art date
Application number
SE9903594A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9903594D0 (en
Inventor
Josep Lluis Bisbal Tudela
Franz Cresta
Enrico Celli
Original Assignee
Kemira Kemi Ab
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 Kemira Kemi Ab filed Critical Kemira Kemi Ab
Priority to SE9903594A priority Critical patent/SE9903594L/en
Publication of SE9903594D0 publication Critical patent/SE9903594D0/en
Priority to CN00814895A priority patent/CN1384806A/en
Priority to AU79787/00A priority patent/AU7978700A/en
Priority to PCT/SE2000/001922 priority patent/WO2001025156A1/en
Priority to EP00970398A priority patent/EP1242316A1/en
Priority to KR1020027004390A priority patent/KR20020080327A/en
Publication of SE9903594L publication Critical patent/SE9903594L/en

Links

Classifications

    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • 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
    • C02F1/56—Macromolecular compounds

Landscapes

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

Abstract

A method and a composition for dewatering sludges are described. The method for dewatering sludges includes treating the sludge with a flocculant aid and with a flocculant, whereafter the sludge is dewatered. The method is characterised in that the flocculant aid is an inorganic compound; the flocculant aid and the flocculant are provided as a solid composition comprising 0.1-10 parts by weight of flocculant aid per part by weight of flocculant; water is added to the composition to provide an aqueous solution or dispersion of the composition; said aqueous composition is added to the sludge; and that the sludge is dewatered. The composition for dewatering sludges is characterised in that it comprises a mixture of a solid inorganic flocculant aid with a solid flocculant at a ratio of 0.1-10 parts by weight of flocculant aid per part by weight of flocculant.
SE9903594A 1999-10-06 1999-10-06 Cationic polymers for sludge dewatering SE9903594L (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9903594A SE9903594L (en) 1999-10-06 1999-10-06 Cationic polymers for sludge dewatering
CN00814895A CN1384806A (en) 1999-10-06 2000-10-05 Cationic polymers for sludge dewatering
AU79787/00A AU7978700A (en) 1999-10-06 2000-10-05 Cationic polymers for sludge dewatering
PCT/SE2000/001922 WO2001025156A1 (en) 1999-10-06 2000-10-05 Cationic polymers for sludge dewatering
EP00970398A EP1242316A1 (en) 1999-10-06 2000-10-05 Cationic polymers for sludge dewatering
KR1020027004390A KR20020080327A (en) 1999-10-06 2000-10-05 Cationic polymers for sludge dewatering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9903594A SE9903594L (en) 1999-10-06 1999-10-06 Cationic polymers for sludge dewatering

Publications (2)

Publication Number Publication Date
SE9903594D0 SE9903594D0 (en) 1999-10-06
SE9903594L true SE9903594L (en) 2001-04-07

Family

ID=20417259

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903594A SE9903594L (en) 1999-10-06 1999-10-06 Cationic polymers for sludge dewatering

Country Status (6)

Country Link
EP (1) EP1242316A1 (en)
KR (1) KR20020080327A (en)
CN (1) CN1384806A (en)
AU (1) AU7978700A (en)
SE (1) SE9903594L (en)
WO (1) WO2001025156A1 (en)

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DE10147658A1 (en) * 2001-09-27 2003-04-10 Cu Chemie Uetikon Ag Uetikon Composition and its use as a coagulant and flocculant
KR100460461B1 (en) * 2002-05-30 2004-12-08 주식회사 에코다임 Immobilized Body of Biological Material, and Apparatus for Manufacturing the Body
WO2006056022A1 (en) * 2004-11-26 2006-06-01 Hardman Australia Pty Ltd Water treatment process
AU2005309336C1 (en) * 2004-11-26 2011-01-06 Hardman Chemicals Pty Ltd Water treatment process
US7378023B2 (en) * 2006-09-13 2008-05-27 Nalco Company Method of improving membrane bioreactor performance
CN101337759B (en) * 2008-08-18 2010-06-02 哈尔滨工业大学 Dewatering process for domestic sludge
CN101708879B (en) * 2009-08-11 2012-02-01 上海沃杉化工有限公司 Inorganic-organic composite flocculating agent and preparation method thereof
CN101811764B (en) * 2010-04-29 2012-07-04 南京神克隆科技有限公司 Efficient ecological type sewage and sludge treating agent and preparation method thereof
CN101863611A (en) * 2010-06-13 2010-10-20 东南大学 Method for deeply dehydrating sludge
CN101857352A (en) * 2010-06-13 2010-10-13 东南大学 Conditioning coagulant for deep dehydrating sludge
CN102153267A (en) * 2011-04-15 2011-08-17 复旦大学 Method for modifying and dewatering sludge
CN103073169A (en) * 2011-10-25 2013-05-01 纳尔科公司 Sludge dehydration adopting dual polymer processing
CN102744162B (en) * 2012-07-18 2013-10-23 中蓝连海设计研究院 Selective flocfloatation method for talcose rocks
CA2863319A1 (en) * 2013-09-17 2015-03-17 Icm, Inc. Chemical process to remove suspended solids
US9328007B2 (en) 2014-02-27 2016-05-03 Hong Kong Baptist University Biogenic flocculant composition to enhance flocculation and dewaterability of chemically enhanced primary treatment sludge
CN104016567B (en) * 2014-05-28 2016-04-20 中国科学院武汉岩土力学研究所 A kind of mud magnetic dewatering agent and dewatering thereof
CN105217924A (en) * 2014-09-18 2016-01-06 江苏宝进生化有限公司 A kind of low temperature pyrolyzer domestic sludge dewatering agent and using method thereof
CN104692610A (en) * 2015-02-03 2015-06-10 无锡金园污泥处置新型燃料科技有限公司 Method for preparing cement raw materials from industrial sludge
CN105152294A (en) * 2015-09-09 2015-12-16 天津工业大学 Preparation method and application of flocculant for treating urban sewage
CN105218758B (en) * 2015-10-14 2017-09-29 成都理工大学 Containing nanometer Fe (OH)3The preparation method of graft acrylamide copolymer flocculant
CN107746171A (en) * 2016-11-25 2018-03-02 嘉兴锦润环保科技有限公司 A kind of High Efficiency Agent of Sludge Dehydration
CN106630542A (en) * 2016-11-29 2017-05-10 西安理工大学 Flocculant for treating slurry, preparation method and slurry treatment method
CN107986415A (en) * 2017-12-08 2018-05-04 周爱国 A kind of sludge separation formula and preparation method thereof
CN108314280B (en) * 2018-01-12 2019-01-15 广州市水电建设工程有限公司 A kind of sludge curing agent and preparation method thereof
CN109020128A (en) * 2018-09-10 2018-12-18 东莞市凯威尔环保材料有限公司 A kind of preparation method and application of organic sludge dehydrating agent
CN109081555A (en) * 2018-09-10 2018-12-25 东莞市凯威尔环保材料有限公司 A kind of diaphragm filter press sludge dewatering agent
CN109336359A (en) * 2018-10-19 2019-02-15 上海同臣环保有限公司 Sludge Chemical Conditioning deep dehydration method and deeply dehydrating sludge improve medicament
CN110228932A (en) * 2019-07-18 2019-09-13 广州晓橙环保科技有限公司 A kind of sludge conditioner and its application method
CN110860546A (en) * 2019-11-28 2020-03-06 天津凯英科技发展股份有限公司 Sludge-based covering material for refuse landfill and preparation method thereof
CN111470752A (en) * 2020-04-20 2020-07-31 深圳市源清环境技术服务有限公司 Conditioner for dewatering dredged sediment and dewatering method for dredged sediment
CN112125496A (en) * 2020-08-12 2020-12-25 浙江维美环保工程科技有限公司 Production process for dehydrating and curing sludge
CN112897820A (en) * 2021-03-30 2021-06-04 三亚易可霖环保科技有限公司 Equipment and method for treating sewage by talcum powder high-concentration activated sludge process
CN114085025A (en) * 2021-12-08 2022-02-25 内蒙古美赢环保科技有限公司 Application method and application of treatment agent
CN114716119A (en) * 2022-02-28 2022-07-08 中国地质大学（武汉） Coupling treatment method for bottom sediment conditioning and pollutant resistance control
CN114933405A (en) * 2022-05-20 2022-08-23 中铁上海工程局集团市政环保工程有限公司 River sediment dehydrating agent, river sediment dehydrating method and recycling method

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JPS5658598A (en) * 1979-10-17 1981-05-21 Agency Of Ind Science & Technol Treatment of muddy water
SE446969B (en) * 1983-12-09 1986-10-20 Olof Carlsson WAY TO MAKE A FLOCKING AGENT
US4588508A (en) * 1984-11-13 1986-05-13 Nalco Cehmical Company Bimodal cationics for water clarification
US5681475A (en) * 1995-04-13 1997-10-28 Truetech, Inc. Water purification composition, kit and method employing the same
US5738794A (en) * 1996-10-03 1998-04-14 Cytec Technology Corp. Cationic water-soluble polymer preciptation in salt solutions
SE512118C2 (en) * 1997-05-30 2000-01-31 Tord Georg Eriksson Procedure for water purification

Also Published As

Publication number Publication date
AU7978700A (en) 2001-05-10
WO2001025156A1 (en) 2001-04-12
CN1384806A (en) 2002-12-11
WO2001025156A8 (en) 2002-01-10
KR20020080327A (en) 2002-10-23
EP1242316A1 (en) 2002-09-25
SE9903594D0 (en) 1999-10-06

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