FR2281320A1 - Procede et dispositif pour assecher les produits boueux - Google Patents

Procede et dispositif pour assecher les produits boueux

Info

Publication number
FR2281320A1
FR2281320A1 FR7522397A FR7522397A FR2281320A1 FR 2281320 A1 FR2281320 A1 FR 2281320A1 FR 7522397 A FR7522397 A FR 7522397A FR 7522397 A FR7522397 A FR 7522397A FR 2281320 A1 FR2281320 A1 FR 2281320A1
Authority
FR
France
Prior art keywords
sludge
dewatering
before filtering
opposite charges
flocculating agents
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
FR7522397A
Other languages
English (en)
French (fr)
Other versions
FR2281320B3 (enExample
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.)
Rittershaus and Blecher GmbH
Original Assignee
Rittershaus and Blecher GmbH
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
Priority claimed from DE2438165A external-priority patent/DE2438165C2/de
Priority claimed from DE19752515162 external-priority patent/DE2515162A1/de
Application filed by Rittershaus and Blecher GmbH filed Critical Rittershaus and Blecher GmbH
Publication of FR2281320A1 publication Critical patent/FR2281320A1/fr
Application granted granted Critical
Publication of FR2281320B3 publication Critical patent/FR2281320B3/fr
Granted 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
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • 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
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B01D33/042—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering whereby the filtration and squeezing-out take place between at least two filtering bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • 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
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/24—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
    • B30B9/243—The squeezing-out being performed in several stages
    • 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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FR7522397A 1974-08-08 1975-07-17 Procede et dispositif pour assecher les produits boueux Granted FR2281320A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2438165A DE2438165C2 (de) 1974-08-08 1974-08-08 Filtervorrichtung, insbesondere zur Entwässerung von Schlamm in Abwässerkläranlagen
DE19752515162 DE2515162A1 (de) 1975-04-08 1975-04-08 Verfahren und vorrichtung zum entwaessern von trueben

Publications (2)

Publication Number Publication Date
FR2281320A1 true FR2281320A1 (fr) 1976-03-05
FR2281320B3 FR2281320B3 (enExample) 1979-04-20

Family

ID=25767529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7522397A Granted FR2281320A1 (fr) 1974-08-08 1975-07-17 Procede et dispositif pour assecher les produits boueux

Country Status (4)

Country Link
FR (1) FR2281320A1 (enExample)
IT (1) IT1038550B (enExample)
NL (1) NL7506331A (enExample)
SE (1) SE7506088L (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442799A1 (enExample) * 1978-12-01 1980-06-27 Chaplain Et Cie Sa M
FR2518422A1 (fr) * 1981-12-18 1983-06-24 Voest Alpine Ag Dispositif pour deshydrater des substances aqueuses
FR2554008A1 (fr) * 1983-10-31 1985-05-03 Dow Chemical Co Procede de floculation de particules de charbon et de boues de charbon
WO2005095291A1 (en) * 2004-03-12 2005-10-13 Ciba Specialty Chemicals Water Treatments Limited Dewatering process
US10322958B2 (en) * 2012-11-29 2019-06-18 Metawater Co., Ltd. Sludge dewatering system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442799A1 (enExample) * 1978-12-01 1980-06-27 Chaplain Et Cie Sa M
FR2518422A1 (fr) * 1981-12-18 1983-06-24 Voest Alpine Ag Dispositif pour deshydrater des substances aqueuses
FR2554008A1 (fr) * 1983-10-31 1985-05-03 Dow Chemical Co Procede de floculation de particules de charbon et de boues de charbon
WO2005095291A1 (en) * 2004-03-12 2005-10-13 Ciba Specialty Chemicals Water Treatments Limited Dewatering process
US10322958B2 (en) * 2012-11-29 2019-06-18 Metawater Co., Ltd. Sludge dewatering system

Also Published As

Publication number Publication date
FR2281320B3 (enExample) 1979-04-20
SE7506088L (sv) 1976-02-09
IT1038550B (it) 1979-11-30
NL7506331A (nl) 1976-02-10

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