ATE42532T1 - Vermeidung von aufsteigendem schlamm in klaerbecken von biologischen abwasserbehandlungsanlagen. - Google Patents

Vermeidung von aufsteigendem schlamm in klaerbecken von biologischen abwasserbehandlungsanlagen.

Info

Publication number
ATE42532T1
ATE42532T1 AT84111555T AT84111555T ATE42532T1 AT E42532 T1 ATE42532 T1 AT E42532T1 AT 84111555 T AT84111555 T AT 84111555T AT 84111555 T AT84111555 T AT 84111555T AT E42532 T1 ATE42532 T1 AT E42532T1
Authority
AT
Austria
Prior art keywords
nitrogen
mixed liquor
clarifier
biomass
pit
Prior art date
Application number
AT84111555T
Other languages
English (en)
Inventor
Marshall Louis Spector
Sun-Nan Hong
Robert Peter Seebohm
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Application granted granted Critical
Publication of ATE42532T1 publication Critical patent/ATE42532T1/de

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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2494—Feed or discharge mechanisms for settling tanks provided with means for the removal of gas, e.g. noxious gas, air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/302—Active control mechanisms with external energy, e.g. with solenoid valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • 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
    • C02F1/5281—Installations for water purification using chemical agents
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Activated Sludge Processes (AREA)
  • Degasification And Air Bubble Elimination (AREA)
AT84111555T 1983-09-29 1984-09-27 Vermeidung von aufsteigendem schlamm in klaerbecken von biologischen abwasserbehandlungsanlagen. ATE42532T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53747083A 1983-09-29 1983-09-29
EP19840111555 EP0138118B1 (de) 1983-09-29 1984-09-27 Vermeidung von aufsteigendem Schlamm in Klärbecken von biologischen Abwasserbehandlungsanlagen

Publications (1)

Publication Number Publication Date
ATE42532T1 true ATE42532T1 (de) 1989-05-15

Family

ID=24142778

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84111555T ATE42532T1 (de) 1983-09-29 1984-09-27 Vermeidung von aufsteigendem schlamm in klaerbecken von biologischen abwasserbehandlungsanlagen.

Country Status (5)

Country Link
EP (1) EP0138118B1 (de)
JP (1) JPS6090100A (de)
AT (1) ATE42532T1 (de)
DE (1) DE3477920D1 (de)
ZA (1) ZA847663B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10112357A1 (de) * 2001-03-13 2002-10-02 Siemens Axiva Gmbh & Co Kg Verfahren und Vorrichtung zur biologischen Abwasserreinigung mit integrierter Schlamm (Biomasse)- abtrennung durch Sedimentation unter Druckbeaufschlagung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257327A1 (en) * 1974-01-10 1975-08-08 Commissariat Energie Atomique Liq-gas exchange process for water treatment - using ozonised air bubbles to strike interface in con-current flow

Also Published As

Publication number Publication date
JPS6090100A (ja) 1985-05-21
EP0138118A2 (de) 1985-04-24
JPH0137194B2 (de) 1989-08-04
DE3477920D1 (en) 1989-06-01
EP0138118A3 (en) 1986-08-13
ZA847663B (en) 1986-05-28
EP0138118B1 (de) 1989-04-26

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee