FI923315A - FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA - Google Patents

FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA Download PDF

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Publication number
FI923315A
FI923315A FI923315A FI923315A FI923315A FI 923315 A FI923315 A FI 923315A FI 923315 A FI923315 A FI 923315A FI 923315 A FI923315 A FI 923315A FI 923315 A FI923315 A FI 923315A
Authority
FI
Finland
Prior art keywords
vattenavskiljningsfoermaoga
avlappsvattenslammens
foerfarande foer
foerbaettrande
foer foerbaettrande
Prior art date
Application number
FI923315A
Other languages
Finnish (fi)
Other versions
FI923315A0 (en
Inventor
Simo Jokinen
Eija Laine
Original Assignee
Kemira Oy
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 Oy filed Critical Kemira Oy
Priority to FI923315A priority Critical patent/FI923315A/en
Publication of FI923315A0 publication Critical patent/FI923315A0/en
Priority to AU45722/93A priority patent/AU4572293A/en
Priority to JP6503933A priority patent/JPH07508924A/en
Priority to EP93915980A priority patent/EP0649390A1/en
Priority to CA 2140631 priority patent/CA2140631A1/en
Priority to PCT/FI1993/000302 priority patent/WO1994002424A1/en
Priority to RU95107659/25A priority patent/RU95107659A/en
Publication of FI923315A publication Critical patent/FI923315A/en
Priority to NO950196A priority patent/NO950196L/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
    • 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)
FI923315A 1992-07-21 1992-07-21 FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA FI923315A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI923315A FI923315A (en) 1992-07-21 1992-07-21 FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA
AU45722/93A AU4572293A (en) 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water
JP6503933A JPH07508924A (en) 1992-07-21 1993-07-21 Method for purifying sludge that mainly contains water
EP93915980A EP0649390A1 (en) 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water
CA 2140631 CA2140631A1 (en) 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water
PCT/FI1993/000302 WO1994002424A1 (en) 1992-07-21 1993-07-21 Process for purifying sludge containing mainly water
RU95107659/25A RU95107659A (en) 1992-07-21 1993-07-21 Process fro purifying aqueous waste pulp at forest industry enterprises
NO950196A NO950196L (en) 1992-07-21 1995-01-19 Process of cleaning sludge, mainly containing water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI923315A FI923315A (en) 1992-07-21 1992-07-21 FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA

Publications (2)

Publication Number Publication Date
FI923315A0 FI923315A0 (en) 1992-07-21
FI923315A true FI923315A (en) 1994-01-22

Family

ID=8535637

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923315A FI923315A (en) 1992-07-21 1992-07-21 FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA

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
PL3638630T3 (en) * 2017-06-13 2023-10-16 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
WO1994002424A1 (en) 1994-02-03
FI923315A0 (en) 1992-07-21
CA2140631A1 (en) 1994-02-03
AU4572293A (en) 1994-02-14
JPH07508924A (en) 1995-10-05
RU95107659A (en) 1996-12-20
EP0649390A1 (en) 1995-04-26

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Legal Events

Date Code Title Description
FD Application lapsed