GB2118452B - Filtration method and apparatus - Google Patents

Filtration method and apparatus

Info

Publication number
GB2118452B
GB2118452B GB08309761A GB8309761A GB2118452B GB 2118452 B GB2118452 B GB 2118452B GB 08309761 A GB08309761 A GB 08309761A GB 8309761 A GB8309761 A GB 8309761A GB 2118452 B GB2118452 B GB 2118452B
Authority
GB
United Kingdom
Prior art keywords
filtration method
filtration
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
Application number
GB08309761A
Other versions
GB8309761D0 (en
GB2118452A (en
Inventor
Anthony Igantius John Treanor
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.)
Permutit Boby Ltd
Original Assignee
Permutit Boby Ltd
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 Permutit Boby Ltd filed Critical Permutit Boby Ltd
Priority to GB08309761A priority Critical patent/GB2118452B/en
Publication of GB8309761D0 publication Critical patent/GB8309761D0/en
Publication of GB2118452A publication Critical patent/GB2118452A/en
Application granted granted Critical
Publication of GB2118452B publication Critical patent/GB2118452B/en
Expired 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
    • B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
    • 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
    • B01D24/40—Feed or discharge devices for feeding
    • 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
    • B01D24/4631—Counter-current flushing, e.g. by air
    • 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
    • B01D24/4694—Regenerating the filtering material in the filter containing filter material retaining means (e.g. screens, balls) placed on the surface of the filter material
GB08309761A 1982-04-21 1983-04-11 Filtration method and apparatus Expired GB2118452B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08309761A GB2118452B (en) 1982-04-21 1983-04-11 Filtration method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8211493 1982-04-21
GB08309761A GB2118452B (en) 1982-04-21 1983-04-11 Filtration method and apparatus

Publications (3)

Publication Number Publication Date
GB8309761D0 GB8309761D0 (en) 1983-05-18
GB2118452A GB2118452A (en) 1983-11-02
GB2118452B true GB2118452B (en) 1986-06-18

Family

ID=26282606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08309761A Expired GB2118452B (en) 1982-04-21 1983-04-11 Filtration method and apparatus

Country Status (1)

Country Link
GB (1) GB2118452B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580515B1 (en) * 1985-04-19 1987-07-17 Degremont DEVICE FOR THE RECOVERY OF WATER IN A BED FILTER OF GRANULAR MATERIAL
CH672892A5 (en) * 1987-09-01 1990-01-15 Sulzer Ag
FR2694209B1 (en) 1992-07-31 1994-10-28 Omnium Traitement Valorisa Chute type device for washing filters in biological water treatment.
US5207905A (en) * 1992-09-25 1993-05-04 The Graver Company Baffle assembly for air and water backwash of a media filter
AU712455B2 (en) * 1996-02-15 1999-11-04 Siemens Industry, Inc. Granular media filter including media settler assembly
CN113769445B (en) * 2021-08-25 2023-01-10 河北中瀚水务有限公司 Intelligent common rapid filter tank system with air flushing and filtering method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260366A (en) * 1963-10-30 1966-07-12 Union Tank Car Co Filter
US3342334A (en) * 1964-05-27 1967-09-19 Union Tank Car Co Filter and scouring gas blower system
CH494053A (en) * 1968-07-26 1970-07-31 Sulzer Ag Filter system for the production of industrial and drinking water and process for the operation of this system
US3627131A (en) * 1969-01-31 1971-12-14 Ecodyne Corp Method and apparatus for filtering solids from liquids
GB2064350A (en) * 1979-12-06 1981-06-17 Air Prod & Chem Regenerating sand filters

Also Published As

Publication number Publication date
GB8309761D0 (en) 1983-05-18
GB2118452A (en) 1983-11-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930411