FI904070A - Method for treating waste water or similar impure water and precipitation aid used in the method - Google Patents

Method for treating waste water or similar impure water and precipitation aid used in the method Download PDF

Info

Publication number
FI904070A
FI904070A FI904070A FI904070A FI904070A FI 904070 A FI904070 A FI 904070A FI 904070 A FI904070 A FI 904070A FI 904070 A FI904070 A FI 904070A FI 904070 A FI904070 A FI 904070A
Authority
FI
Finland
Prior art keywords
water
treating waste
aid used
waste water
precipitation aid
Prior art date
Application number
FI904070A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI90856B (en
FI90856C (en
FI904070A0 (en
Inventor
Pertti Kalevi Hynninen
Ilkka Seppo Olavi Nevalainen
Pertti Juhani Vuoriranta
Original Assignee
Enviro Data 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 Enviro Data Oy filed Critical Enviro Data Oy
Priority to FI904070A priority Critical patent/FI90856C/en
Publication of FI904070A0 publication Critical patent/FI904070A0/en
Priority to PCT/FI1991/000257 priority patent/WO1992003385A1/en
Priority to AU83143/91A priority patent/AU8314391A/en
Publication of FI904070A publication Critical patent/FI904070A/en
Publication of FI90856B publication Critical patent/FI90856B/en
Application granted granted Critical
Publication of FI90856C publication Critical patent/FI90856C/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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Activated Sludge Processes (AREA)
FI904070A 1990-08-17 1990-08-17 Method for treating waste water or similar impure water and precipitation aid used in the method FI90856C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI904070A FI90856C (en) 1990-08-17 1990-08-17 Method for treating waste water or similar impure water and precipitation aid used in the method
PCT/FI1991/000257 WO1992003385A1 (en) 1990-08-17 1991-08-19 Process for treatment of waste waters or equivalent impure waters as well as a flocculating adjuvant used in the process
AU83143/91A AU8314391A (en) 1990-08-17 1991-08-19 Process for treatment of waste waters or equivalent impure waters as well as a flocculating adjuvant used in the process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI904070A FI90856C (en) 1990-08-17 1990-08-17 Method for treating waste water or similar impure water and precipitation aid used in the method
FI904070 1990-08-17

Publications (4)

Publication Number Publication Date
FI904070A0 FI904070A0 (en) 1990-08-17
FI904070A true FI904070A (en) 1992-02-18
FI90856B FI90856B (en) 1993-12-31
FI90856C FI90856C (en) 1994-04-11

Family

ID=8530942

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904070A FI90856C (en) 1990-08-17 1990-08-17 Method for treating waste water or similar impure water and precipitation aid used in the method

Country Status (3)

Country Link
AU (1) AU8314391A (en)
FI (1) FI90856C (en)
WO (1) WO1992003385A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1005989A3 (en) * 1992-06-18 1994-04-12 Univ Bruxelles Bleaching process effluent paper pulp mill.
EP0960860A1 (en) * 1998-05-21 1999-12-01 Shell Internationale Researchmaatschappij B.V. Biologically treating a contaminated aqueous waste stream
KR100441112B1 (en) * 2001-10-08 2004-07-21 한국해양연구원 Trimaran type wig effect ship with small waterplane area
FI130365B (en) * 2018-02-16 2023-07-26 Upm Kymmene Corp A method for the treatment of biosludge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1459469A1 (en) * 1962-01-31 1969-07-10 Eltro Gmbh Process for the treatment of sewage sludge
US3406114A (en) * 1964-07-20 1968-10-15 Kerr Mc Gee Oil Ind Inc Process for flocculating finely divided solids suspended in an aqueous medium with amicrobial polysaccharide
US4649110A (en) * 1982-07-29 1987-03-10 Solmat Systems, Ltd. Polymeric substance, and method of separating and culturing bacteria to provide polymeric substance useful in liquid clarification and soil conditioning
US4721570A (en) * 1986-02-06 1988-01-26 Envirex, Inc. RBC with solids contact zone

Also Published As

Publication number Publication date
FI90856B (en) 1993-12-31
AU8314391A (en) 1992-03-17
FI90856C (en) 1994-04-11
FI904070A0 (en) 1990-08-17
WO1992003385A1 (en) 1992-03-05

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: ENVIRO DATA OY

MA Patent expired