FR2029440A1 - - Google Patents

Info

Publication number
FR2029440A1
FR2029440A1 FR6940912A FR6940912A FR2029440A1 FR 2029440 A1 FR2029440 A1 FR 2029440A1 FR 6940912 A FR6940912 A FR 6940912A FR 6940912 A FR6940912 A FR 6940912A FR 2029440 A1 FR2029440 A1 FR 2029440A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6940912A
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of FR2029440A1 publication Critical patent/FR2029440A1/fr
Withdrawn legal-status Critical Current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
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
FR6940912A 1969-01-27 1969-11-27 Withdrawn FR2029440A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79437369A 1969-01-27 1969-01-27

Publications (1)

Publication Number Publication Date
FR2029440A1 true FR2029440A1 (fr) 1970-10-23

Family

ID=25162459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6940912A Withdrawn FR2029440A1 (fr) 1969-01-27 1969-11-27

Country Status (6)

Country Link
US (1) US3522171A (fr)
CH (1) CH511771A (fr)
DE (1) DE1959433A1 (fr)
FR (1) FR2029440A1 (fr)
GB (1) GB1247565A (fr)
SE (1) SE359800B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183808A (en) * 1977-11-23 1980-01-15 Union Carbide Corporation Phosphate removal from wastewater
US4228003A (en) * 1978-04-21 1980-10-14 Takeda Chemical Industries, Ltd. Method of removing phosphates from waste water
JPS5527043A (en) * 1978-08-14 1980-02-26 Agency Of Ind Science & Technol Removing bod and phosphorus from waste water

Family Cites Families (3)

* 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
US3390077A (en) * 1966-05-04 1968-06-25 Fmc Corp Sewage treatment process
US3385785A (en) * 1966-05-04 1968-05-28 Fmc Corp Method of controlling phosphate concentration in sewage treatment systems

Also Published As

Publication number Publication date
DE1959433A1 (de) 1970-11-05
CH511771A (fr) 1971-08-31
US3522171A (en) 1970-07-28
GB1247565A (en) 1971-09-22
SE359800B (fr) 1973-09-10

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Legal Events

Date Code Title Description
ST Notification of lapse