BE747106A - Procede et appareil de filtration des boues - Google Patents

Procede et appareil de filtration des boues

Info

Publication number
BE747106A
BE747106A BE747106DA BE747106A BE 747106 A BE747106 A BE 747106A BE 747106D A BE747106D A BE 747106DA BE 747106 A BE747106 A BE 747106A
Authority
BE
Belgium
Prior art keywords
filtration process
sludge filtration
sludge
filtration
Prior art date
Application number
Other languages
English (en)
Inventor
E B Lopker
Original Assignee
Pullman Inc
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 Pullman Inc filed Critical Pullman Inc
Publication of BE747106A publication Critical patent/BE747106A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • 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
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • 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
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • B01D33/19—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake
    • 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
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element 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
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Filtration Of Liquid (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
BE747106D 1969-03-11 1970-03-10 Procede et appareil de filtration des boues BE747106A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80608769A 1969-03-11 1969-03-11

Publications (1)

Publication Number Publication Date
BE747106A true BE747106A (fr) 1970-09-10

Family

ID=25193285

Family Applications (1)

Application Number Title Priority Date Filing Date
BE747106D BE747106A (fr) 1969-03-11 1970-03-10 Procede et appareil de filtration des boues

Country Status (7)

Country Link
US (1) US3608721A (fr)
BE (1) BE747106A (fr)
DE (2) DE2011091C3 (fr)
FR (1) FR2037886A5 (fr)
GB (1) GB1263407A (fr)
NL (1) NL7003115A (fr)
SE (1) SE365715B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652380A (en) * 1985-07-05 1987-03-24 Stauffer Chemical Company Method of treating the arsenic containing filter media from phosphoric acid purification
US6063298A (en) * 1998-07-09 2000-05-16 Baker Hughes Incorporated Filtering centrifuge with cake heel removal mechanism and associated method
DK1322672T3 (da) * 2000-10-06 2008-07-21 Cooperatie Avebe U A Vask og afvanding af suspensioner
WO2005113107A1 (fr) * 2004-05-23 2005-12-01 Rosenmund Vta Ag Procede et dispositif d'elimination de produits residuels
US7736526B2 (en) * 2008-10-03 2010-06-15 Thompson Industrial Services, Llc Method of filtering phosphate utilizing a rotary table filter or horizontal table filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US820560A (en) * 1905-04-29 1906-05-15 Frank A Evans Rotary filter.
US1865061A (en) * 1926-02-11 1932-06-28 Nat Aniline & Chem Co Inc Nutsch filtration
US2796991A (en) * 1952-03-21 1957-06-25 Nyquist Borje Sune Apparatus for the dewatering of suspensions
US2937069A (en) * 1955-09-29 1960-05-17 Int Minerals & Chem Corp Method of treating filters

Also Published As

Publication number Publication date
DE2011091B2 (de) 1973-02-15
SE365715B (fr) 1974-04-01
FR2037886A5 (fr) 1970-12-31
DE2011091C3 (de) 1979-03-15
DE2011091A1 (de) 1970-11-12
GB1263407A (en) 1972-02-09
US3608721A (en) 1971-09-28
DE7008594U (de) 1971-11-11
NL7003115A (fr) 1970-09-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PULLMANN INC.

Effective date: 19870331