FI884074A - Foerfarande foer rening av avloppsvatten. - Google Patents

Foerfarande foer rening av avloppsvatten. Download PDF

Info

Publication number
FI884074A
FI884074A FI884074A FI884074A FI884074A FI 884074 A FI884074 A FI 884074A FI 884074 A FI884074 A FI 884074A FI 884074 A FI884074 A FI 884074A FI 884074 A FI884074 A FI 884074A
Authority
FI
Finland
Prior art keywords
avloppsvatten
foerfarande foer
foer rening
rening
foerfarande
Prior art date
Application number
FI884074A
Other languages
English (en)
Finnish (fi)
Other versions
FI884074A0 (fi
Inventor
Henryk Struszczyk
Olli Kivekaes
Johan Lindberg
Marja-Liisa Riekkola
Kari Holopainen
Original Assignee
Firextra 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 Firextra Oy filed Critical Firextra Oy
Priority to FI884074A priority Critical patent/FI884074A/fi
Publication of FI884074A0 publication Critical patent/FI884074A0/fi
Priority to AU41978/89A priority patent/AU4197889A/en
Priority to PCT/FI1989/000166 priority patent/WO1990002708A1/fr
Publication of FI884074A publication Critical patent/FI884074A/fi

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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FI884074A 1988-09-05 1988-09-05 Foerfarande foer rening av avloppsvatten. FI884074A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI884074A FI884074A (fi) 1988-09-05 1988-09-05 Foerfarande foer rening av avloppsvatten.
AU41978/89A AU4197889A (en) 1988-09-05 1989-09-05 Method for purification of waste aqueous medium
PCT/FI1989/000166 WO1990002708A1 (fr) 1988-09-05 1989-09-05 Procede de purification de milieu aqueux residuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI884074A FI884074A (fi) 1988-09-05 1988-09-05 Foerfarande foer rening av avloppsvatten.

Publications (2)

Publication Number Publication Date
FI884074A0 FI884074A0 (fi) 1988-09-05
FI884074A true FI884074A (fi) 1990-03-06

Family

ID=8526998

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884074A FI884074A (fi) 1988-09-05 1988-09-05 Foerfarande foer rening av avloppsvatten.

Country Status (3)

Country Link
AU (1) AU4197889A (fr)
FI (1) FI884074A (fr)
WO (1) WO1990002708A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336415A (en) * 1993-02-10 1994-08-09 Vanson L.P. Removing polyvalent metals from aqueous waste streams with chitosan and halogenating agents
US5393435A (en) * 1993-09-17 1995-02-28 Vanson L.P. Removal of organic contaminants from aqueous media
FR2744930B1 (fr) * 1996-02-15 1998-03-13 Commissariat Energie Atomique Procede pour separer au moins un metal present dans une solution par fixation sur un chitosane
US7311829B2 (en) 2003-02-13 2007-12-25 H2Q Water Industries, Ltd. Water conversion device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533940A (en) * 1967-06-02 1970-10-13 Quintin P Peniston Method for treating an aqueous medium with chitosan and derivatives of chitin to remove an impurity
IT1027501B (it) * 1968-12-06 1978-12-20 Muzzarelli Weckx M G F Chitina chitosano e derivati usati come supporti cromatografici e come adsorbenti per la raccolta di ioni dalle soluzuoni acquose e organiche dall acqua potabile e marina
PL125995B2 (en) * 1981-02-27 1983-06-30 Process for preparing chitosan of enlarged internal surface
IT1190380B (it) * 1985-06-21 1988-02-16 Consiglio Nazionale Ricerche Glucani funzionalizzati e reticolati,procedimento e intermedi di preparazione,loro usi
FI77681C (fi) * 1986-08-18 1989-04-10 Firextra Oy Kitosanprodukter, i synnerhet filmer, och foerfarande foer deras framstaellning.

Also Published As

Publication number Publication date
FI884074A0 (fi) 1988-09-05
WO1990002708A1 (fr) 1990-03-22
AU4197889A (en) 1990-04-02

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Owner name: FIREXTRA OY