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BR8900098A - Processo para a fabricacao de pisos para filtros e pisos construidos desse modo - Google Patents

Processo para a fabricacao de pisos para filtros e pisos construidos desse modo

Info

Publication number
BR8900098A
BR8900098A BR898900098A BR8900098A BR8900098A BR 8900098 A BR8900098 A BR 8900098A BR 898900098 A BR898900098 A BR 898900098A BR 8900098 A BR8900098 A BR 8900098A BR 8900098 A BR8900098 A BR 8900098A
Authority
BR
Brazil
Prior art keywords
floors
construced
filters
manufacture
mode
Prior art date
Application number
BR898900098A
Other languages
English (en)
Inventor
Marie-Pierre Gaudin
Daniel Meindre
Vincent Savall
Original Assignee
Degremont
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 filed Critical Degremont
Publication of BR8900098A publication Critical patent/BR8900098A/pt

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)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
BR898900098A 1988-01-15 1989-01-10 Processo para a fabricacao de pisos para filtros e pisos construidos desse modo BR8900098A (pt)

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 (1)

Publication Number Publication Date
BR8900098A true BR8900098A (pt) 1989-09-05

Family

ID=9362351

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900098A BR8900098A (pt) 1988-01-15 1989-01-10 Processo para a fabricacao de pisos para filtros e pisos construidos desse modo

Country Status (8)

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

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 (pt) * 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 (pt) * 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
CA1245471A (en) * 1984-07-18 1988-11-29 Seiji Kaneko Concrete structural member and method for manufacture thereof
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
DE68909801T2 (de) 1994-03-10
US4925556A (en) 1990-05-15
ES2044153T3 (es) 1994-01-01
DE68909801D1 (de) 1993-11-18
FR2625915A1 (fr) 1989-07-21
EP0324673A1 (fr) 1989-07-19
EP0324673B1 (fr) 1993-10-13
FR2625915B1 (fr) 1990-05-25
AR242726A1 (es) 1993-05-31
CA1332289C (fr) 1994-10-11

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 10/01/2004

B15K Others concerning applications: alteration of classification

Ipc: B01D 24/00 (2006.01), B01D 24/22 (2006.0