CA964775A - Internal precipitation of phosphate from activated sludge - Google Patents

Internal precipitation of phosphate from activated sludge

Info

Publication number
CA964775A
CA964775A CA142,492A CA142492A CA964775A CA 964775 A CA964775 A CA 964775A CA 142492 A CA142492 A CA 142492A CA 964775 A CA964775 A CA 964775A
Authority
CA
Canada
Prior art keywords
phosphate
activated sludge
internal precipitation
precipitation
internal
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
CA142,492A
Other languages
English (en)
Other versions
CA142492S (en
Inventor
George J. Topol
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.)
Dominari Holdings Inc
Original Assignee
Biospherics Inc
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 to US3681235D priority Critical patent/US3681235A/en
Priority to CH538999D priority patent/CH538999A/de
Priority to DE2221498A priority patent/DE2221498C3/de
Priority to BE783303A priority patent/BE783303A/xx
Priority to FR7217023A priority patent/FR2183605B1/fr
Priority to CA142,492A priority patent/CA964775A/en
Application filed by Biospherics Inc filed Critical Biospherics Inc
Priority to GB2380272A priority patent/GB1368874A/en
Priority to ZA723482A priority patent/ZA723482B/xx
Priority to NL7207517A priority patent/NL168476C/nl
Priority to JP5499572A priority patent/JPS5541829B2/ja
Priority to BE2052814A priority patent/BE800230A/xx
Priority to BR407873A priority patent/BR7304078D0/pt
Application granted granted Critical
Publication of CA964775A publication Critical patent/CA964775A/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
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0536—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for maintaining flanges on tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
    • 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
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/906—Phosphorus containing

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)
  • Physics & Mathematics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Activated Sludge Processes (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Treatment Of Sludge (AREA)
  • Removal Of Specific Substances (AREA)
CA142,492A 1971-03-11 1972-05-18 Internal precipitation of phosphate from activated sludge Expired CA964775A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US3681235D US3681235A (en) 1971-03-11 1971-03-11 Internal precipitation of phosphate from activated sludge
CH538999D CH538999A (de) 1971-03-11 1972-04-28 Belebtschlammabwasserreinigungsverfahren
DE2221498A DE2221498C3 (de) 1971-03-11 1972-05-02 Belebtschlammabwasserreinigungsverfahren
BE783303A BE783303A (fr) 1971-03-11 1972-05-10 Procede de traitement aux boues activees des eaux usees.
FR7217023A FR2183605B1 (nl) 1971-03-11 1972-05-12
CA142,492A CA964775A (en) 1971-03-11 1972-05-18 Internal precipitation of phosphate from activated sludge
GB2380272A GB1368874A (en) 1971-03-11 1972-05-19 Precipitation of phosphate from activated sludge
ZA723482A ZA723482B (en) 1971-03-11 1972-05-22 Internal precipitation of phosphated from activated sludge
NL7207517A NL168476C (nl) 1971-03-11 1972-06-02 Werkwijze om rioolwater te zuiveren.
JP5499572A JPS5541829B2 (nl) 1971-03-11 1972-06-02
BE2052814A BE800230A (en) 1971-03-11 1973-05-30 Flange alignment/welding assembly - for spot-welding flanges to pipes
BR407873A BR7304078D0 (pt) 1971-03-11 1973-05-31 Aparelho para soldagem por pontos de uma flange a uma extremidade de um cano

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US12330971A 1971-03-11 1971-03-11
CH637272 1972-04-28
DE2221498A DE2221498C3 (de) 1971-03-11 1972-05-02 Belebtschlammabwasserreinigungsverfahren
BE783303A BE783303A (fr) 1971-03-11 1972-05-10 Procede de traitement aux boues activees des eaux usees.
FR7217023A FR2183605B1 (nl) 1971-03-11 1972-05-12
CA142,492A CA964775A (en) 1971-03-11 1972-05-18 Internal precipitation of phosphate from activated sludge
GB2380272A GB1368874A (en) 1971-03-11 1972-05-19 Precipitation of phosphate from activated sludge
ZA723482A ZA723482B (en) 1971-03-11 1972-05-22 Internal precipitation of phosphated from activated sludge
NL7207517A NL168476C (nl) 1971-03-11 1972-06-02 Werkwijze om rioolwater te zuiveren.
JP5499572A JPS5541829B2 (nl) 1971-03-11 1972-06-02

Publications (1)

Publication Number Publication Date
CA964775A true CA964775A (en) 1975-03-18

Family

ID=27579008

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,492A Expired CA964775A (en) 1971-03-11 1972-05-18 Internal precipitation of phosphate from activated sludge

Country Status (11)

Country Link
US (1) US3681235A (nl)
JP (1) JPS5541829B2 (nl)
BE (1) BE783303A (nl)
BR (1) BR7304078D0 (nl)
CA (1) CA964775A (nl)
CH (1) CH538999A (nl)
DE (1) DE2221498C3 (nl)
FR (1) FR2183605B1 (nl)
GB (1) GB1368874A (nl)
NL (1) NL168476C (nl)
ZA (1) ZA723482B (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR18849A (tr) * 1974-06-21 1977-11-01 Union Carbide Corp Pis sulardan fosfat ayrilmasi
JPS5210842A (en) * 1975-07-15 1977-01-27 Sumitomo Electric Industries Welding nozzie electrode
JPS5280660A (en) * 1975-12-26 1977-07-06 Nishihara Kankiyou Eisei Kenki Method of purifying sanitary sewage
CH621751A5 (en) * 1976-09-24 1981-02-27 Attisholz Cellulose Process for the biochemical purification of waste water containing organic constituents which favour the undesirable development of filamentous bacteria and/or the formation of bulking sludge
US4183808A (en) * 1977-11-23 1980-01-15 Union Carbide Corporation Phosphate removal from wastewater
US4173531A (en) * 1977-11-23 1979-11-06 Union Carbide Corporation Nitrification-denitrification of wastewater
US4956094A (en) 1988-12-22 1990-09-11 Biospherics Incorporated Enhanced phosphate removal from bod-containing wastewater
US5182021A (en) * 1991-12-16 1993-01-26 Lehigh University Biological process for enhanced removal of ammonia, nitrite, nitrate, and phosphate from wastewater
US7569148B2 (en) 2006-08-23 2009-08-04 Siemens Water Technologies Corp. Continuous membrane filtration and solids reduction
RU2587181C1 (ru) * 2014-12-22 2016-06-20 Акционерное общество "Институт МосводоканалНИИпроект" Способ биологической очистки сточных вод от соединений фосфора
CN105800897B (zh) * 2016-05-11 2018-10-02 合肥工业大学 一种利用零价铁强化剩余污泥和秸秆快速固态厌氧消化的方法
EP3523253A4 (en) * 2016-10-05 2020-08-19 Nutrient Recovery&upcycling, LLC WASTEWATER TREATMENT WITH PERSONALIZED PHOSPHATE REGULATION

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386910A (en) * 1965-05-25 1968-06-04 Fmc Corp Process for treatment of sewage and nutrient removal
US3480144A (en) * 1968-05-03 1969-11-25 Us Interior Process for removing phosphorus from waste water

Also Published As

Publication number Publication date
BE783303A (fr) 1972-09-01
FR2183605B1 (nl) 1977-06-17
DE2221498B2 (de) 1979-03-15
JPS5541829B2 (nl) 1980-10-27
GB1368874A (en) 1974-10-02
US3681235A (en) 1972-08-01
DE2221498C3 (de) 1980-06-26
CH538999A (de) 1973-08-31
NL168476B (nl) 1981-11-16
NL7207517A (nl) 1973-12-04
DE2221498A1 (de) 1973-11-15
ZA723482B (en) 1973-03-28
BR7304078D0 (pt) 1974-08-15
NL168476C (nl) 1982-04-16
FR2183605A1 (nl) 1973-12-21
JPS4923449A (nl) 1974-03-01

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