FR2768719B1 - DEVICE FOR DEWATERING SLUDGE FROM SEWAGE TREATMENT PLANTS - Google Patents

DEVICE FOR DEWATERING SLUDGE FROM SEWAGE TREATMENT PLANTS

Info

Publication number
FR2768719B1
FR2768719B1 FR9711960A FR9711960A FR2768719B1 FR 2768719 B1 FR2768719 B1 FR 2768719B1 FR 9711960 A FR9711960 A FR 9711960A FR 9711960 A FR9711960 A FR 9711960A FR 2768719 B1 FR2768719 B1 FR 2768719B1
Authority
FR
France
Prior art keywords
sewage treatment
treatment plants
dewatering sludge
dewatering
sludge
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 - Fee Related
Application number
FR9711960A
Other languages
French (fr)
Other versions
FR2768719A1 (en
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.)
Lyonnaise des Eaux et de lEclairage SA
Lyonnaise des Eaux SA
Original Assignee
Lyonnaise des Eaux et de lEclairage SA
Lyonnaise des Eaux SA
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 Lyonnaise des Eaux et de lEclairage SA, Lyonnaise des Eaux SA filed Critical Lyonnaise des Eaux et de lEclairage SA
Priority to FR9711960A priority Critical patent/FR2768719B1/en
Publication of FR2768719A1 publication Critical patent/FR2768719A1/en
Application granted granted Critical
Publication of FR2768719B1 publication Critical patent/FR2768719B1/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
    • 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
    • C02F11/128—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using batch processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/605—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/26—Filters with built-in pumps filters provided with a pump mounted in or on the casing
FR9711960A 1997-09-25 1997-09-25 DEVICE FOR DEWATERING SLUDGE FROM SEWAGE TREATMENT PLANTS Expired - Fee Related FR2768719B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9711960A FR2768719B1 (en) 1997-09-25 1997-09-25 DEVICE FOR DEWATERING SLUDGE FROM SEWAGE TREATMENT PLANTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9711960A FR2768719B1 (en) 1997-09-25 1997-09-25 DEVICE FOR DEWATERING SLUDGE FROM SEWAGE TREATMENT PLANTS

Publications (2)

Publication Number Publication Date
FR2768719A1 FR2768719A1 (en) 1999-03-26
FR2768719B1 true FR2768719B1 (en) 1999-11-05

Family

ID=9511489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9711960A Expired - Fee Related FR2768719B1 (en) 1997-09-25 1997-09-25 DEVICE FOR DEWATERING SLUDGE FROM SEWAGE TREATMENT PLANTS

Country Status (1)

Country Link
FR (1) FR2768719B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107694178B (en) * 2017-11-16 2023-10-13 攀钢集团矿业有限公司 Slag separating and discharging device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR476956A (en) * 1913-10-09 1915-09-15 Jacob Grossmann Method and apparatus for concentrating silt contained in sewage
DE3133058A1 (en) * 1981-08-21 1983-03-31 Herbert 7121 Ingersheim Rieger LARGE CONTAINER
GB2152398B (en) * 1984-01-13 1987-08-19 Chemcut Corp Apparatus for chemically removing solid matter from articles
DE3604616A1 (en) * 1986-02-14 1987-08-20 Kugler Gmbh & Co Kg Vessel for sludge dewatering

Also Published As

Publication number Publication date
FR2768719A1 (en) 1999-03-26

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100531