CA1054729A - Treatment of biologically-degradable material - Google Patents

Treatment of biologically-degradable material

Info

Publication number
CA1054729A
CA1054729A CA236888A CA236888A CA1054729A CA 1054729 A CA1054729 A CA 1054729A CA 236888 A CA236888 A CA 236888A CA 236888 A CA236888 A CA 236888A CA 1054729 A CA1054729 A CA 1054729A
Authority
CA
Canada
Prior art keywords
dot
liquid
subjected
downcomer
riser
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.)
Expired
Application number
CA236888A
Other languages
English (en)
French (fr)
Inventor
Martin Bailey
Frank C. Roesler
David A. Hines
John C. Ousby
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.)
Syngenta Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 GB4292374A external-priority patent/GB1521258A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of CA1054729A publication Critical patent/CA1054729A/en
Expired 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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)
  • Microbiology (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Control Of Non-Electrical Variables (AREA)
CA236888A 1974-10-03 1975-10-02 Treatment of biologically-degradable material Expired CA1054729A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4292374A GB1521258A (en) 1974-10-03 1974-10-03 Treatment of biologically degradable material
GB76375 1975-01-08
GB1045675 1975-03-13

Publications (1)

Publication Number Publication Date
CA1054729A true CA1054729A (en) 1979-05-15

Family

ID=27253765

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236888A Expired CA1054729A (en) 1974-10-03 1975-10-02 Treatment of biologically-degradable material

Country Status (11)

Country Link
JP (2) JPS5163556A (sv)
AU (1) AU8528775A (sv)
CA (1) CA1054729A (sv)
DD (1) DD120639A5 (sv)
DE (1) DE2544099A1 (sv)
FR (1) FR2286797A1 (sv)
IN (1) IN142360B (sv)
IT (1) IT1043078B (sv)
NL (1) NL7511596A (sv)
NO (1) NO753315L (sv)
SE (1) SE7511064L (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8528775A (en) * 1974-10-03 1977-04-07 Ici Ltd Aerobic treatment of waste
JPS54120942A (en) * 1978-03-11 1979-09-19 Kubota Ltd Denitrogenizing device for waste water
JPS54121564A (en) * 1978-03-14 1979-09-20 Kubota Ltd Denitrification device of waste water
JPS5765389A (en) * 1980-10-08 1982-04-20 Shimizu Constr Co Ltd Treatment of waste water with use of lofty building
US7891211B2 (en) 2005-06-24 2011-02-22 Denso Corporation Cold storage tank unit and refrigeration cycle apparatus using the same
CN218678959U (zh) * 2022-12-05 2023-03-21 沧州景隆环保科技有限公司 一种太阳能板防鸟刺专用便拆型固定夹扣

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518661B2 (sv) * 1972-09-27 1976-03-18
JPS5938031B2 (ja) * 1973-05-16 1984-09-13 インペリヤル ケミカル インダストリ−ズ リミテツド 下水汚物の処理方法およびその装置
AU8528775A (en) * 1974-10-03 1977-04-07 Ici Ltd Aerobic treatment of waste

Also Published As

Publication number Publication date
JPS5163556A (sv) 1976-06-02
FR2286797B3 (sv) 1981-05-29
IT1043078B (it) 1980-02-20
NL7511596A (nl) 1976-04-06
JPS53133960A (en) 1978-11-22
JPS6139118B2 (sv) 1986-09-02
IN142360B (sv) 1977-06-25
AU8528775A (en) 1977-04-07
DD120639A5 (sv) 1976-06-20
DE2544099A1 (de) 1976-04-22
SE7511064L (sv) 1976-04-05
NO753315L (sv) 1976-04-06
FR2286797A1 (fr) 1976-04-30

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