ES2066740A1 - Process for the treatment of sewage - Google Patents

Process for the treatment of sewage

Info

Publication number
ES2066740A1
ES2066740A1 ES09401136A ES9401136A ES2066740A1 ES 2066740 A1 ES2066740 A1 ES 2066740A1 ES 09401136 A ES09401136 A ES 09401136A ES 9401136 A ES9401136 A ES 9401136A ES 2066740 A1 ES2066740 A1 ES 2066740A1
Authority
ES
Spain
Prior art keywords
sewage
treatment
sewage plant
tanks
glyoxal
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.)
Granted
Application number
ES09401136A
Other languages
Spanish (es)
Other versions
ES2066740B1 (en
Inventor
Frederic Mabire
Gerard Barbaras
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.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
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 Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Publication of ES2066740A1 publication Critical patent/ES2066740A1/en
Application granted granted Critical
Publication of ES2066740B1 publication Critical patent/ES2066740B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment

Landscapes

  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Activated Sludge Processes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
  • Physical Water Treatments (AREA)
  • Treating Waste Gases (AREA)

Abstract

Process of the reduction of unpleasant odours normally generated in a sewage plant, said process comprising continously introducing an aqueous solution of glyoxal having a pH of less than 3 into aqueous effluent passing from sedimentation tanks into consolidation tanks in the sewage plant.
ES09401136A 1993-06-03 1994-05-24 WASTEWATER TREATMENT PROCEDURE IN A TREATMENT PLACE IN ORDER TO ELIMINATE OLFACTORY DISCOMFORTS. Expired - Fee Related ES2066740B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9306663A FR2705957B1 (en) 1993-06-03 1993-06-03 Process for treating wastewater in a wastewater treatment plant with a view to eliminating odor nuisances.

Publications (2)

Publication Number Publication Date
ES2066740A1 true ES2066740A1 (en) 1995-03-01
ES2066740B1 ES2066740B1 (en) 1995-11-01

Family

ID=9447729

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09401136A Expired - Fee Related ES2066740B1 (en) 1993-06-03 1994-05-24 WASTEWATER TREATMENT PROCEDURE IN A TREATMENT PLACE IN ORDER TO ELIMINATE OLFACTORY DISCOMFORTS.

Country Status (6)

Country Link
BE (1) BE1007195A3 (en)
CH (1) CH687704A5 (en)
ES (1) ES2066740B1 (en)
FR (1) FR2705957B1 (en)
GB (1) GB2279070B (en)
IT (1) IT1265966B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7255796B2 (en) * 2004-07-08 2007-08-14 General Electric Company Method of preventing hydrogen sulfide odor generation in an aqueous medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284767A (en) * 1985-10-11 1987-04-18 キャピタル株式会社 Deodorizing liquid
US4680127A (en) * 1985-12-13 1987-07-14 Betz Laboratories, Inc. Method of scavenging hydrogen sulfide
JPH02139083A (en) * 1988-11-18 1990-05-29 Daicel Chem Ind Ltd Process for deodorizing water
EP0438812A1 (en) * 1990-01-25 1991-07-31 Societe Francaise Hoechst Method for absorbing hydrogen sulfide with glyoxal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343575B2 (en) * 1972-03-30 1978-11-21

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284767A (en) * 1985-10-11 1987-04-18 キャピタル株式会社 Deodorizing liquid
US4680127A (en) * 1985-12-13 1987-07-14 Betz Laboratories, Inc. Method of scavenging hydrogen sulfide
JPH02139083A (en) * 1988-11-18 1990-05-29 Daicel Chem Ind Ltd Process for deodorizing water
EP0438812A1 (en) * 1990-01-25 1991-07-31 Societe Francaise Hoechst Method for absorbing hydrogen sulfide with glyoxal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BASE DE DATOS WPIL, n‘ acceso 87-147130, 1987, Derwent Publ. Ltd., Londres, GB & JP-A-62084767 (WADA) * Resumen * *
BASE DE DATOS WPIL, n‘ acceso 90-206737, 1990, Derwent Publ. Ltd., Londres, GB & JP-A-02139083 (DAICEL CHEM) * Resumen * *

Also Published As

Publication number Publication date
IT1265966B1 (en) 1996-12-16
FR2705957A1 (en) 1994-12-09
ITTO940409A0 (en) 1994-05-20
GB2279070A (en) 1994-12-21
FR2705957B1 (en) 1995-08-25
CH687704A5 (en) 1997-01-31
ES2066740B1 (en) 1995-11-01
GB2279070B (en) 1996-09-25
BE1007195A3 (en) 1995-04-18
GB9411002D0 (en) 1994-07-20
ITTO940409A1 (en) 1995-11-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20100315