DE68909801T2 - Filterböden und Verfahren zu ihrer Herstellung. - Google Patents

Filterböden und Verfahren zu ihrer Herstellung.

Info

Publication number
DE68909801T2
DE68909801T2 DE89400052T DE68909801T DE68909801T2 DE 68909801 T2 DE68909801 T2 DE 68909801T2 DE 89400052 T DE89400052 T DE 89400052T DE 68909801 T DE68909801 T DE 68909801T DE 68909801 T2 DE68909801 T2 DE 68909801T2
Authority
DE
Germany
Prior art keywords
manufacture
processes
filter trays
trays
filter
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
DE89400052T
Other languages
English (en)
Other versions
DE68909801D1 (de
Inventor
Marie Pierre Gaudin
Daniel Meindre
Vincent Savall
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.)
Suez International SAS
Original Assignee
Degremont 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 Degremont SA filed Critical Degremont SA
Application granted granted Critical
Publication of DE68909801D1 publication Critical patent/DE68909801D1/de
Publication of DE68909801T2 publication Critical patent/DE68909801T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/001—Making filter elements not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
    • B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/57—Processes of forming layered products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
DE89400052T 1988-01-15 1989-01-09 Filterböden und Verfahren zu ihrer Herstellung. Expired - Fee Related DE68909801T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8800433A FR2625915B1 (fr) 1988-01-15 1988-01-15 Procede pour la fabrication de planchers pour filtres, et planchers ainsi realises

Publications (2)

Publication Number Publication Date
DE68909801D1 DE68909801D1 (de) 1993-11-18
DE68909801T2 true DE68909801T2 (de) 1994-03-10

Family

ID=9362351

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89400052T Expired - Fee Related DE68909801T2 (de) 1988-01-15 1989-01-09 Filterböden und Verfahren zu ihrer Herstellung.

Country Status (8)

Country Link
US (1) US4925556A (de)
EP (1) EP0324673B1 (de)
AR (1) AR242726A1 (de)
BR (1) BR8900098A (de)
CA (1) CA1332289C (de)
DE (1) DE68909801T2 (de)
ES (1) ES2044153T3 (de)
FR (1) FR2625915B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2641588B1 (fr) * 1989-01-09 1991-03-22 Degremont Dispositif pour la mise en place et la fixation, sur le plancher d'un filtre, d'organes assurant le transit de fluides a travers le plancher
US5328608A (en) * 1992-05-27 1994-07-12 The F.B. Leopold Co., Inc. Mutli-lateral filter underdrain block
US5489388A (en) * 1994-04-12 1996-02-06 The F. B. Leopold Co., Inc. Apparatus and method for improving gas backwash in lateral underdrains
TW352398B (en) * 1995-09-08 1999-02-11 Tien Chiu Prefabricated concrete wall panels, and their process and their use on building
GB2306121B (en) * 1995-10-10 1999-07-14 Tetra Europ Ltd Deep bed filter support system
FR2759720B1 (fr) * 1997-02-19 1999-04-30 Degremont Procede de realisation d'un plancher de filtre pour le traitement des eaux
US7121520B2 (en) * 1998-04-30 2006-10-17 O-Stable Panel Sdn. Bhd. Pre-cast concrete panels for construction of a building
US7083515B2 (en) * 1999-09-07 2006-08-01 Speedfam-Ipec Corporation Clean room facility and construction method
US6615469B1 (en) 1999-11-09 2003-09-09 All Service Contracting Corporation Method for retrofitting an underdrain
US7632403B2 (en) * 2005-01-26 2009-12-15 Royal Environmental Systems, Inc. Liquid filtration system
US8322540B2 (en) * 2005-01-26 2012-12-04 Royal Environmental Systems, Inc. Filter element for water loaded with solid particles and dissolved toxic substances and purification system equipped with said filter element
SE0502666L (sv) * 2005-12-06 2007-06-05 Skanska Sverige Ab Golvbetonganordning

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT48331B (de) * 1909-03-06 1911-06-10 Armand Puech Filtrierbassin.
US1189521A (en) * 1915-12-02 1916-07-04 Henry A Allen Underdrain filtration system.
US1334729A (en) * 1918-04-27 1920-03-23 Uniform Company Concrete floor
US1572398A (en) * 1924-05-12 1926-02-09 Frederick B Leopold Filtering apparatus
DE696980C (de) * 1934-08-17 1940-10-03 Ozongesellschaft M B H Fluessigkeitsfilter
GB695751A (en) * 1949-07-27 1953-08-19 Bamag Meguin Ag Zweigniederlas Improved filtering plant capable of being back flushed with a mixture of gas and liquid
BE498884A (de) * 1949-10-25
US3110667A (en) * 1959-10-16 1963-11-12 Leopold Co Inc F B Filter bottom
DE1302745C2 (de) * 1963-08-15 1973-07-19 Gebrüder Sulzer AG, Winterthur (Schweiz·.) Betonfilterboden einer schnellfilteranlage
US3403492A (en) * 1965-02-24 1968-10-01 Spencer Francis Dudley Construction of concrete liquid reservoirs such as swimming pools
US3456804A (en) * 1966-10-26 1969-07-22 M C G Corp Filter bottoms
SE362237B (de) * 1970-12-10 1973-12-03 Ytong Ab
US3956134A (en) * 1973-07-19 1976-05-11 Hi-Ran, Ltd. Underdrain for water filtration system
DE2416870A1 (de) * 1974-04-06 1975-11-20 Rheinbau Gmbh Verfahren zur herstellung von hohlen betonbauteilen
DE2847076A1 (de) * 1978-10-28 1980-05-08 Metallgesellschaft Ag Filteranlage
FR2450310A1 (fr) * 1979-01-23 1980-09-26 Bassin Paris Flandres Normandi Procede de construction de batiments et batiments correspondants
FR2450626A1 (fr) * 1979-03-06 1980-10-03 Degremont Filtre a lits superposes de materiaux granulaires
DE3579765D1 (de) * 1984-07-18 1990-10-25 Ozawa Concrete Kogyo Kk Strukturelles betonteil und verfahren zu seiner herstellung.
FR2596385B1 (fr) * 1986-03-26 1991-05-31 Omnium Traitement Valorisa Plancher pour filtre de traitement des eaux

Also Published As

Publication number Publication date
EP0324673B1 (de) 1993-10-13
ES2044153T3 (es) 1994-01-01
AR242726A1 (es) 1993-05-31
EP0324673A1 (de) 1989-07-19
CA1332289C (fr) 1994-10-11
BR8900098A (pt) 1989-09-05
US4925556A (en) 1990-05-15
FR2625915A1 (fr) 1989-07-21
FR2625915B1 (fr) 1990-05-25
DE68909801D1 (de) 1993-11-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee