AU4572293A - Process for purifying sludge containing mainly water - Google Patents

Process for purifying sludge containing mainly water

Info

Publication number
AU4572293A
AU4572293A AU45722/93A AU4572293A AU4572293A AU 4572293 A AU4572293 A AU 4572293A AU 45722/93 A AU45722/93 A AU 45722/93A AU 4572293 A AU4572293 A AU 4572293A AU 4572293 A AU4572293 A AU 4572293A
Authority
AU
Australia
Prior art keywords
sludge containing
containing mainly
mainly water
purifying sludge
purifying
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.)
Abandoned
Application number
AU45722/93A
Inventor
Simo Jokinen
Eija Laine
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 Oyj filed Critical Kemira Oyj
Publication of AU4572293A publication Critical patent/AU4572293A/en
Abandoned 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
    • 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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • 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

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
AU45722/93A 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water Abandoned AU4572293A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI923315 1992-07-21
FI923315A FI923315A (en) 1992-07-21 1992-07-21 FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA
PCT/FI1993/000302 WO1994002424A1 (en) 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water

Publications (1)

Publication Number Publication Date
AU4572293A true AU4572293A (en) 1994-02-14

Family

ID=8535637

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45722/93A Abandoned AU4572293A (en) 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water

Country Status (7)

Country Link
EP (1) EP0649390A1 (en)
JP (1) JPH07508924A (en)
AU (1) AU4572293A (en)
CA (1) CA2140631A1 (en)
FI (1) FI923315A (en)
RU (1) RU95107659A (en)
WO (1) WO1994002424A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9411444D0 (en) * 1994-06-08 1994-07-27 Cdm Ab Dewatering of suspensions
GB2322128B (en) * 1997-02-18 2001-08-15 Acideka S A Mixed coagulants
BE1012286A3 (en) * 1997-02-28 2000-09-05 Acideka S A Method for producing composite coagulants to clarify water, compositecoagulants obtained using said method and water clarification method withsaid composite coagulants
NL1005503C2 (en) * 1997-03-12 2000-02-23 Acideka Production of mixed coagulants for water clarification - comprising addition of a water-soluble cationic polymer derived from one or more vinyl monomer to an inorganic coagulant
US6685834B1 (en) * 1999-12-20 2004-02-03 Kruger, Inc. Method for conditioning and dewatering thermophilic aerobically digested biosolids
US20090095678A1 (en) * 2007-10-15 2009-04-16 Musale Deepak A Purification of oil sands pond water
CN105217757A (en) * 2015-10-22 2016-01-06 石家庄蓝江生物环保科技有限公司 Inorganic whisker coagulating agent and its production and use
EP3638630B1 (en) * 2017-06-13 2023-06-07 Kemira Oyj Method for treating sludge
CN114763272A (en) * 2021-01-12 2022-07-19 轩德(深圳)环保科技有限公司 Sludge reduction and harmless treatment method for composite coagulation solid-liquid separation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642619A (en) * 1970-08-31 1972-02-15 Calgon Corp Conditioning sewage waste sludges for dewatering
GB1512022A (en) * 1976-08-05 1978-05-24 Hemlab Ag Flocculating agents for water treatment
US4251363A (en) * 1979-09-11 1981-02-17 American Cyanamid Company Anionic polymeric flocculant combinations for settling phosphate slimes
DE3820110A1 (en) * 1988-06-13 1989-12-14 Nalco Chemical Co Process for dewatering sewage sludges
GB9021565D0 (en) * 1990-10-04 1990-11-21 Allied Colloids Ltd Dewatering compositions and processes

Also Published As

Publication number Publication date
FI923315A (en) 1994-01-22
WO1994002424A1 (en) 1994-02-03
RU95107659A (en) 1996-12-20
EP0649390A1 (en) 1995-04-26
JPH07508924A (en) 1995-10-05
FI923315A0 (en) 1992-07-21
CA2140631A1 (en) 1994-02-03

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