FR2485385B1 - - Google Patents

Info

Publication number
FR2485385B1
FR2485385B1 FR8014591A FR8014591A FR2485385B1 FR 2485385 B1 FR2485385 B1 FR 2485385B1 FR 8014591 A FR8014591 A FR 8014591A FR 8014591 A FR8014591 A FR 8014591A FR 2485385 B1 FR2485385 B1 FR 2485385B1
Authority
FR
France
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
Application number
FR8014591A
Other languages
French (fr)
Other versions
FR2485385A1 (fr
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
Priority to FR8014591A priority Critical patent/FR2485385A1/fr
Priority to GB8119217A priority patent/GB2080694A/en
Priority to JP9844581A priority patent/JPS5738912A/ja
Publication of FR2485385A1 publication Critical patent/FR2485385A1/fr
Application granted granted Critical
Publication of FR2485385B1 publication Critical patent/FR2485385B1/fr
Granted 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
    • B01D24/02—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
    • B01D24/10—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 held in a closed container
    • B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits
    • 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
    • B01D24/38—Feed or discharge devices
    • B01D24/42—Feed or discharge devices for discharging filtrate
    • 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
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4626—Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
FR8014591A 1980-06-27 1980-06-27 Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs Granted FR2485385A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8014591A FR2485385A1 (fr) 1980-06-27 1980-06-27 Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs
GB8119217A GB2080694A (en) 1980-06-27 1981-06-22 A granular material filter
JP9844581A JPS5738912A (en) 1980-06-27 1981-06-26 Filter for granular material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8014591A FR2485385A1 (fr) 1980-06-27 1980-06-27 Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs

Publications (2)

Publication Number Publication Date
FR2485385A1 FR2485385A1 (fr) 1981-12-31
FR2485385B1 true FR2485385B1 (enrdf_load_html_response) 1984-11-30

Family

ID=9243695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8014591A Granted FR2485385A1 (fr) 1980-06-27 1980-06-27 Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs

Country Status (3)

Country Link
JP (1) JPS5738912A (enrdf_load_html_response)
FR (1) FR2485385A1 (enrdf_load_html_response)
GB (1) GB2080694A (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189712B (en) * 1986-05-02 1989-11-29 Biwater Treatment Ltd Water filtration installations
ITMI20062045A1 (it) * 2006-10-24 2008-04-25 Danieli Off Mecc Dispositivo di filtrazione a sabbia
WO2008100245A2 (en) * 2007-02-09 2008-08-21 Glr Solutions, Ltd. A method and device for cleaning non-fixed media filters
US20160101991A1 (en) * 2014-10-13 2016-04-14 Robert Long Eductor circulated nutshell media water filter
CN105498316A (zh) * 2015-12-29 2016-04-20 太仓弘杉环保科技有限公司 一种多介质过滤方法及其过滤设备
WO2017161381A1 (en) 2016-03-18 2017-09-21 Schreiber, Llc Improved methods for cleaning filtration system media

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB179270A (en) * 1921-01-31 1922-05-01 William Paterson Improvements in or relating to filtering apparatus or the like
US2956682A (en) * 1958-02-20 1960-10-18 Du Pont Filtering apparatus
US3276590A (en) * 1964-03-16 1966-10-04 Zurn Ind Inc Filter
AT337208B (de) * 1973-09-24 1977-06-27 Kretzschmar Wabag Filterduse aus kunststoff
CH633971A5 (en) * 1978-07-14 1983-01-14 Sulzer Ag Back-flushable filter
GB2074037B (en) * 1980-04-03 1983-09-28 Eau Claire Systems Inc Upflow liquid filter

Also Published As

Publication number Publication date
GB2080694A (en) 1982-02-10
JPS5738912A (en) 1982-03-03
FR2485385A1 (fr) 1981-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse