DE3061640D1 - Process for reabsorption and retention of phosphorus by activated biomass - Google Patents

Process for reabsorption and retention of phosphorus by activated biomass

Info

Publication number
DE3061640D1
DE3061640D1 DE8080106421T DE3061640T DE3061640D1 DE 3061640 D1 DE3061640 D1 DE 3061640D1 DE 8080106421 T DE8080106421 T DE 8080106421T DE 3061640 T DE3061640 T DE 3061640T DE 3061640 D1 DE3061640 D1 DE 3061640D1
Authority
DE
Germany
Prior art keywords
biomass
reabsorption
retention
phosphorus
under
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
DE8080106421T
Other languages
German (de)
English (en)
Inventor
David Joseph Krichten
David Michael Nicholas
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22212686&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3061640(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Application granted granted Critical
Publication of DE3061640D1 publication Critical patent/DE3061640D1/de
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
    • 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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/308—Biological phosphorus removal
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Treatment Of Sludge (AREA)
  • Activated Sludge Processes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Processing Of Solid Wastes (AREA)
DE8080106421T 1979-10-26 1980-10-21 Process for reabsorption and retention of phosphorus by activated biomass Expired DE3061640D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/088,664 US4257897A (en) 1979-10-26 1979-10-26 Process for reabsorption and retention of phosphorous by activated biomass

Publications (1)

Publication Number Publication Date
DE3061640D1 true DE3061640D1 (en) 1983-02-17

Family

ID=22212686

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080106421T Expired DE3061640D1 (en) 1979-10-26 1980-10-21 Process for reabsorption and retention of phosphorus by activated biomass

Country Status (6)

Country Link
US (1) US4257897A (en, 2012)
EP (1) EP0027998B2 (en, 2012)
JP (1) JPS56111090A (en, 2012)
AT (1) ATE2211T1 (en, 2012)
CA (1) CA1141489A (en, 2012)
DE (1) DE3061640D1 (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34072E (en) * 1984-12-28 1992-09-22 Honda Giken Kogyo Kabushiki Kaisha Motorcycle
US5223140A (en) * 1992-04-15 1993-06-29 Inland Container Corporation Biological treatment of combined ink and starch wastewater for use in corrugator adhesive preparation
US5288405A (en) * 1993-01-27 1994-02-22 Piedmont Olsen Hensley, Inc. Wastewater treatment with enhanced biological phosphorus removal and related purification processes
US5380438A (en) * 1993-08-17 1995-01-10 City Of Atlanta Treatment of wastewater through enhanced biological phosphorus removal
US5545326A (en) * 1994-12-27 1996-08-13 Petering; John L. Method and apparatus for the treatment of concentrated wastewater
US6712970B1 (en) * 2002-01-11 2004-03-30 Enviroquip, Inc. Sewage treatment process with phosphorus removal
US7172699B1 (en) 2004-10-13 2007-02-06 Eimco Water Technologies Llc Energy efficient wastewater treatment for nitrogen and phosphorus removal
US20070045179A1 (en) * 2005-08-23 2007-03-01 Skyblue Waters Usa, Inc. System and method for introducing high pressure air into a wastewater treatment system
US7531087B2 (en) * 2005-08-23 2009-05-12 Skyblue Waters Usa, Inc. System for treating wastewater
US7527735B2 (en) * 2005-08-23 2009-05-05 Skyblue Waters Usa, Inc. System for treating wastewater
US20070045178A1 (en) * 2005-08-23 2007-03-01 Skyblue Waters Usa, Inc. System and method for wastewater treatment
CN115448457B (zh) * 2022-08-29 2023-09-08 中国科学院生态环境研究中心 基于农田灌溉水质需求的农村生活污水处理系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386911A (en) * 1966-08-03 1968-06-04 Dorr Oliver Inc Waste treatment for phosphorous removal
US3654146A (en) * 1971-02-03 1972-04-04 Biospherics Inc Aerobic removal of phosphate from activated sludge
US3764524A (en) * 1972-11-13 1973-10-09 Union Carbide Corp Phosphorous removal from wastewater
SU784754A3 (ru) * 1975-06-04 1980-11-30 Юнион Карбид Корпорейшн (Фирма) Способ биохимической очистки сточных вод, содержащих фосфор
US4056465A (en) * 1976-04-12 1977-11-01 Air Products And Chemicals, Inc. Production of non-bulking activated sludge
US4162153A (en) * 1976-04-12 1979-07-24 Air Products And Chemicals, Inc. High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material

Also Published As

Publication number Publication date
EP0027998B2 (en) 1986-10-15
ATE2211T1 (de) 1983-01-15
JPS56111090A (en) 1981-09-02
US4257897A (en) 1981-03-24
JPS5742399B2 (en, 2012) 1982-09-08
EP0027998B1 (en) 1983-01-12
CA1141489A (en) 1983-02-15
EP0027998A1 (en) 1981-05-06

Similar Documents

Publication Publication Date Title
DE3064050D1 (en) Control of activated sludge wastewater treating process for enhanced phosphorus removal
SE7704090L (sv) Forfarande for inhibering av proliferation av filamentos biomassa vid driften av ett aktivt-slam-system for avloppsvattenrening
DE3061640D1 (en) Process for reabsorption and retention of phosphorus by activated biomass
GB1505598A (en) Anaerobic treatment of waste
AU3050289A (en) Anoxic ammonia oxidation
ES460502A1 (es) Un procedimiento mejorado para la degradacion aerobia, sus- tancialmente termofila, en fase liquida, de una sustancia degradable por microorganismos.
GB1440171A (en) Treatment of acqueous effluents to remove nitrate and nitrate ions
ES476599A1 (es) Un procedimiento mejorado para la eliminacion de la demanda biologica de oxigeno de agua residual.
GB1430621A (en) Ion-exchanger material and method for the treatment of waste water
JPS5389259A (en) Process for biologically denitrification of organic waste water
ES477224A1 (es) Instalacion para el tratamiento de aguas residuales segun elprocedimiento de lodo activado.
JPS56150487A (en) Disposal of sewage
GB1244237A (en) Improvements relating to the dewatering of digested sludge
JPS5535964A (en) Treatment of waste water
GR66516B (en, 2012)
CH609652A5 (en) Sewage treatment process using activated sludge
JPS55119496A (en) Waste water treating method
GB1501560A (en) Biological treatment of waste water
GB1088090A (en) Process for the fermentative production of d-ribose phosphates
JPS5252467A (en) Method for biological nitrification of ammonia in wastewater
GB884822A (en) Production of d-arabitol by fermentation
JPS5513169A (en) Treatment of sewage
Tracy Biological Nutrient Control by the A/O Process
GB1342794A (en) Treatment of sewage sludge
JPS5528781A (en) Night soil type sewage treating method

Legal Events

Date Code Title Description
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee