CA948335A - Process and apparatus for treating wastes by a combined activated sludge and biological filter bed - Google Patents

Process and apparatus for treating wastes by a combined activated sludge and biological filter bed

Info

Publication number
CA948335A
CA948335A CA120,221A CA120221A CA948335A CA 948335 A CA948335 A CA 948335A CA 120221 A CA120221 A CA 120221A CA 948335 A CA948335 A CA 948335A
Authority
CA
Canada
Prior art keywords
activated sludge
filter bed
biological filter
treating wastes
combined activated
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
CA120,221A
Other versions
CA120221S (en
Inventor
Jerzy Tymoszczuk
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA120,221A priority Critical patent/CA948335A/en
Priority to DE2239205A priority patent/DE2239205A1/en
Priority to FR7228927A priority patent/FR2148601A1/en
Application granted granted Critical
Publication of CA948335A publication Critical patent/CA948335A/en
Priority to DE19762630118 priority patent/DE2630118A1/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
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/121—Multistep treatment
    • 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
    • C02F3/06—Aerobic processes using submerged filters
    • 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
CA120,221A 1971-08-10 1971-08-10 Process and apparatus for treating wastes by a combined activated sludge and biological filter bed Expired CA948335A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA120,221A CA948335A (en) 1971-08-10 1971-08-10 Process and apparatus for treating wastes by a combined activated sludge and biological filter bed
DE2239205A DE2239205A1 (en) 1971-08-10 1972-08-09 METHOD AND DEVICE FOR WASTE WATER PURIFICATION
FR7228927A FR2148601A1 (en) 1971-08-10 1972-08-10 Sewage purification plant - with activated sludge settling zone followed by filtration
DE19762630118 DE2630118A1 (en) 1971-08-10 1976-07-05 Aerobic biological treatment of sewage - by combined activated sludge and biological filter bed zones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA120,221A CA948335A (en) 1971-08-10 1971-08-10 Process and apparatus for treating wastes by a combined activated sludge and biological filter bed

Publications (1)

Publication Number Publication Date
CA948335A true CA948335A (en) 1974-05-28

Family

ID=4090553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,221A Expired CA948335A (en) 1971-08-10 1971-08-10 Process and apparatus for treating wastes by a combined activated sludge and biological filter bed

Country Status (2)

Country Link
CA (1) CA948335A (en)
FR (1) FR2148601A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61291099A (en) * 1985-06-17 1986-12-20 Sanki Eng Co Ltd Downward flow type biological membrane purifying apparatus
CN106946343A (en) * 2017-05-03 2017-07-14 山东毅康科技股份有限公司 A kind of efficiently backwash BAF

Also Published As

Publication number Publication date
FR2148601B1 (en) 1978-12-01
FR2148601A1 (en) 1973-03-23

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