CH610579A5 - Process and apparatus for the dewatering of sludge - Google Patents

Process and apparatus for the dewatering of sludge

Info

Publication number
CH610579A5
CH610579A5 CH469775A CH469775A CH610579A5 CH 610579 A5 CH610579 A5 CH 610579A5 CH 469775 A CH469775 A CH 469775A CH 469775 A CH469775 A CH 469775A CH 610579 A5 CH610579 A5 CH 610579A5
Authority
CH
Switzerland
Prior art keywords
dewatering
sludge
Prior art date
Application number
CH469775A
Inventor
Pierre Frossard
Original Assignee
Indberatungs Ag
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 Indberatungs Ag filed Critical Indberatungs Ag
Priority to CH469775A priority Critical patent/CH610579A5/en
Priority to GB15304/75A priority patent/GB1502304A/en
Priority to DE2522505A priority patent/DE2522505C3/en
Publication of CH610579A5 publication Critical patent/CH610579A5/en

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
    • 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
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • 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
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • 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
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
    • B01D33/646—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by pressure rollers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Filtration Of Liquid (AREA)
CH469775A 1975-04-11 1975-04-11 Process and apparatus for the dewatering of sludge CH610579A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH469775A CH610579A5 (en) 1975-04-11 1975-04-11 Process and apparatus for the dewatering of sludge
GB15304/75A GB1502304A (en) 1975-04-11 1975-04-14 Method and apparatus for dehydrating sewage sludge
DE2522505A DE2522505C3 (en) 1975-04-11 1975-05-21 Method and device for dewatering sludge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH469775A CH610579A5 (en) 1975-04-11 1975-04-11 Process and apparatus for the dewatering of sludge
GB15304/75A GB1502304A (en) 1975-04-11 1975-04-14 Method and apparatus for dehydrating sewage sludge

Publications (1)

Publication Number Publication Date
CH610579A5 true CH610579A5 (en) 1979-04-30

Family

ID=25696091

Family Applications (1)

Application Number Title Priority Date Filing Date
CH469775A CH610579A5 (en) 1975-04-11 1975-04-11 Process and apparatus for the dewatering of sludge

Country Status (3)

Country Link
CH (1) CH610579A5 (en)
DE (1) DE2522505C3 (en)
GB (1) GB1502304A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375327B (en) * 1982-04-21 1984-07-25 Voest Alpine Ag DEVICE FOR PREVENTING THE SIDELINE OF A RIBBON
DE3221435C2 (en) * 1982-06-07 1985-10-31 Hitachi Plant Engineering & Construction Co., Ltd., Tokio/Tokyo Belt filter press for dewatering thickened sewage sludge
AT376905B (en) * 1982-10-18 1985-01-25 Voest Alpine Ag FILTER PRESS FOR THE DRAINAGE OF SUBSTANCES
AT390785B (en) * 1985-03-15 1990-06-25 Voest Alpine Ag METHOD AND DEVICE FOR OBTAINING A HIGH DRY CONTENT IN THE DRAINAGE OF SLUDGE
DE3637425A1 (en) * 1986-11-04 1988-05-19 Klein Alb Gmbh Co Kg Process and apparatus for dewatering sludge-like materials
GB2279888A (en) * 1993-07-16 1995-01-18 Adrian Parnaby Moving belt press filter
SE528037C3 (en) * 2004-06-02 2006-09-19 Kerttu Eriksson Sludge dewatering device
CN112841543A (en) * 2021-01-28 2021-05-28 重庆周师兄餐饮文化有限公司 Processing method of spicy crisp

Also Published As

Publication number Publication date
DE2522505A1 (en) 1976-10-21
DE2522505B2 (en) 1978-08-31
GB1502304A (en) 1978-03-01
DE2522505C3 (en) 1979-05-10

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Legal Events

Date Code Title Description
PL Patent ceased