FR2374265A2 - Procede de traitement d'une boue activee pour faciliter son epaississement - Google Patents

Procede de traitement d'une boue activee pour faciliter son epaississement

Info

Publication number
FR2374265A2
FR2374265A2 FR7711157A FR7711157A FR2374265A2 FR 2374265 A2 FR2374265 A2 FR 2374265A2 FR 7711157 A FR7711157 A FR 7711157A FR 7711157 A FR7711157 A FR 7711157A FR 2374265 A2 FR2374265 A2 FR 2374265A2
Authority
FR
France
Prior art keywords
sludge
facilitate
thickness
active sludge
treating active
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
FR7711157A
Other languages
English (en)
French (fr)
Other versions
FR2374265B2 (cg-RX-API-DMAC7.html
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.)
Champion International Corp
Original Assignee
Champion International 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 Champion International Corp filed Critical Champion International Corp
Publication of FR2374265A2 publication Critical patent/FR2374265A2/fr
Application granted granted Critical
Publication of FR2374265B2 publication Critical patent/FR2374265B2/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
    • A23J1/001—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from waste materials, e.g. kitchen waste
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Treatment Of Sludge (AREA)
FR7711157A 1976-12-14 1977-04-13 Procede de traitement d'une boue activee pour faciliter son epaississement Granted FR2374265A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75226176A 1976-12-14 1976-12-14

Publications (2)

Publication Number Publication Date
FR2374265A2 true FR2374265A2 (fr) 1978-07-13
FR2374265B2 FR2374265B2 (cg-RX-API-DMAC7.html) 1983-02-25

Family

ID=25025571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711157A Granted FR2374265A2 (fr) 1976-12-14 1977-04-13 Procede de traitement d'une boue activee pour faciliter son epaississement

Country Status (3)

Country Link
DE (1) DE2715257A1 (cg-RX-API-DMAC7.html)
FR (1) FR2374265A2 (cg-RX-API-DMAC7.html)
GB (1) GB1521672A (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005011A1 (en) * 1978-04-15 1979-10-31 Simon-Carves Limited A method of removing metallic impurities from sewage sludge
FR2482947A1 (fr) * 1980-05-21 1981-11-27 Upr Vodoprov Kanaliztr Khoz Vo Procede de traitement de boues d'eaux usees et boues traitees conformement audit procede.
FR2491909A1 (fr) * 1980-10-15 1982-04-16 Upr Vodoprov Kanaliztr Khoz Vo Procede de conditionnement de boues d'eaux usees

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO302813B1 (no) * 1996-02-13 1998-04-27 Biopartner As Fremgangsmåte og anordning for behandling av væskeholdige materialer basert på organiske avfallsprodukter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585179A (en) * 1966-08-05 1971-06-15 Kyowa Hakko Kogyo Kk Process for extracting proteins from microorganisms
GB1275893A (en) * 1970-09-25 1972-05-24 Foster D Snell Inc Treatment of sewage sludge
DE2045162A1 (en) * 1970-09-12 1972-06-08 Rheinstahl Ag, 4300 Essen Waste water sludges - flocculated after denaturing proteins
FR2327965A1 (fr) * 1975-10-14 1977-05-13 Itt Procede de traitement de boue activee

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585179A (en) * 1966-08-05 1971-06-15 Kyowa Hakko Kogyo Kk Process for extracting proteins from microorganisms
DE2045162A1 (en) * 1970-09-12 1972-06-08 Rheinstahl Ag, 4300 Essen Waste water sludges - flocculated after denaturing proteins
GB1275893A (en) * 1970-09-25 1972-05-24 Foster D Snell Inc Treatment of sewage sludge
FR2327965A1 (fr) * 1975-10-14 1977-05-13 Itt Procede de traitement de boue activee

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005011A1 (en) * 1978-04-15 1979-10-31 Simon-Carves Limited A method of removing metallic impurities from sewage sludge
FR2482947A1 (fr) * 1980-05-21 1981-11-27 Upr Vodoprov Kanaliztr Khoz Vo Procede de traitement de boues d'eaux usees et boues traitees conformement audit procede.
FR2491909A1 (fr) * 1980-10-15 1982-04-16 Upr Vodoprov Kanaliztr Khoz Vo Procede de conditionnement de boues d'eaux usees

Also Published As

Publication number Publication date
FR2374265B2 (cg-RX-API-DMAC7.html) 1983-02-25
GB1521672A (en) 1978-08-16
DE2715257A1 (de) 1978-06-15

Similar Documents

Publication Publication Date Title
FR2348159A1 (fr) Procede de production d'une boue activee facilement decantable dans l'epuration des eaux residuaires
FR2412505A1 (fr) Procede pour la desodorisation de boues, en particulier de boues de clarification
DK63785A (da) Vandrensningsanlaeg
FR2394497A1 (fr) Procede d'epuration d'eaux residuaires contenant du phenol, des derives de phenol ou du phenol et du formaldehyde
BE801942A (fr) Procede de purification biologique des eaux d'egout
FR2606397B1 (fr) Procede pour le traitement par boue activee d'eaux d'egouts ou d'eaux usees industrielles en utilisant des particules de laitier de hauts fourneaux comme fixateurs
FR2440920A2 (fr) Procede de digestion de boues
BE882745A (fr) Procede et dispositif pour le traitement aux ultrasons de la boue des eaux usees
BE856361A (fr) Procede pour le traitement des eaux residuaires albumineuses
FR1425703A (fr) Procédé pour l'épuration biologique des eaux résiduaires domestiques suivant le procédé de la boue activée
FR2516071B1 (fr) Procede par boues activees pour le traitement d'eaux residuaires
BE755565A (fr) Procede et installation de decantation pour l'epuration biologique des eaux residuaires
FR2374265A2 (fr) Procede de traitement d'une boue activee pour faciliter son epaississement
FR2626568B1 (fr) Procede a la boue activee pour le traitement des eaux residuaires
BE802606A (fr) Procede d'epuration des eaux residuaires sulfurees
FR2565579B1 (fr) Installation pour le traitement des eaux usees par des microorganismes
FR2415603B1 (fr) Installation de traitement d'eaux usees selon le procede par boues activees
CH515855A (fr) Procédé de traitement des boues résultant de l'épuration des eaux usées
BE858606A (fr) Procede de traitement d'eaux residuaires provenant de la production de l'acrylonitrile
BE872996A (fr) Procede et installation d'epuration des eaux residuaires au moyen de boues activees
BE827509A (fr) Procede de traitement et installation pour l'epuration biologique des eaux residuaires
FR2527585B1 (fr) Procede de traitement d'eaux usees industrielles par des boues activees
BE806306A (fr) Installation de combustion ou d'incineration et procede en comportant application pour le traitement de residus de traitement des eaux ou de recuperation des eaux usees
BE1001125A6 (fr) Procede d'evacuation et de traitement de boues de decantation provenant de l'epuration d'eaux usees.
FR2533207B1 (fr) Procede pour l'elimination ou la prevention des colmatages dans les aerateurs de fonds dans le traitement de l'eau et le traitement des eaux usees dans les conditions de fonctionnement