FI900048A - FOERFARANDE FOER FAERBAETTRING AV VATTENBESKAFFENHET. - Google Patents

FOERFARANDE FOER FAERBAETTRING AV VATTENBESKAFFENHET. Download PDF

Info

Publication number
FI900048A
FI900048A FI900048A FI900048A FI900048A FI 900048 A FI900048 A FI 900048A FI 900048 A FI900048 A FI 900048A FI 900048 A FI900048 A FI 900048A FI 900048 A FI900048 A FI 900048A
Authority
FI
Finland
Prior art keywords
vattenbeskaffenhet
faerbaettring
foerfarande foer
foerfarande
foer
Prior art date
Application number
FI900048A
Other languages
Finnish (fi)
Other versions
FI900048A0 (en
Inventor
Masahiko Makino
Original Assignee
Kaiyo Kogyo Kk
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
Priority claimed from JP1202123A external-priority patent/JPH0365293A/en
Priority claimed from JP1248522A external-priority patent/JPH0710398B2/en
Priority claimed from JP26115689A external-priority patent/JPH03123692A/en
Application filed by Kaiyo Kogyo Kk filed Critical Kaiyo Kogyo Kk
Publication of FI900048A0 publication Critical patent/FI900048A0/en
Publication of FI900048A publication Critical patent/FI900048A/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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
FI900048A 1989-08-03 1990-01-04 FOERFARANDE FOER FAERBAETTRING AV VATTENBESKAFFENHET. FI900048A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1202123A JPH0365293A (en) 1989-08-03 1989-08-03 Method and apparatus for quality improvement in water
JP1248522A JPH0710398B2 (en) 1989-09-25 1989-09-25 Method and apparatus for improving dissolved oxygen content in large amount of water
JP26115689A JPH03123692A (en) 1989-10-05 1989-10-05 Method and apparatus for improving quality of water

Publications (2)

Publication Number Publication Date
FI900048A0 FI900048A0 (en) 1990-01-04
FI900048A true FI900048A (en) 1991-02-04

Family

ID=27328045

Family Applications (1)

Application Number Title Priority Date Filing Date
FI900048A FI900048A (en) 1989-08-03 1990-01-04 FOERFARANDE FOER FAERBAETTRING AV VATTENBESKAFFENHET.

Country Status (4)

Country Link
CA (1) CA2007615A1 (en)
DK (1) DK28490A (en)
FI (1) FI900048A (en)
SE (1) SE9001291L (en)

Also Published As

Publication number Publication date
SE9001291D0 (en) 1990-04-09
DK28490A (en) 1991-02-04
DK28490D0 (en) 1990-02-02
FI900048A0 (en) 1990-01-04
SE9001291L (en) 1991-02-04
CA2007615A1 (en) 1991-02-03

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Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: KAIYO KOGYO KABUSHIKI KAISHA