FR824197A - Improvement of filter basins - Google Patents

Improvement of filter basins

Info

Publication number: FR824197A
Authority: FR; France
Prior art keywords: improvement; filter basins; basins; filter
Prior art date: 1937-07-09
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

Other languages

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.)

Chabal & Cie C

Original Assignee

Chabal & Cie C

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.)

1939-06-08

Filing date

1937-07-09

Publication date

1938-02-02

1937-07-09 Application filed by Chabal & Cie C filed Critical Chabal & Cie C

1938-02-02 Application granted granted Critical

1938-02-02 Publication of FR824197A publication Critical patent/FR824197A/en

Status Expired legal-status Critical Current

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
- B01D24/46—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
- B01D24/02—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
- B01D24/24—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
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/48—Overflow systems

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)

FR824197D 1939-06-08 1937-07-09 Improvement of filter basins Expired FR824197A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR859947T		1939-06-08

Publications (1)

Publication Number	Publication Date
FR824197A true FR824197A (en)	1938-02-02

Family

ID=9330764

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR824197D Expired FR824197A (en)	1939-06-08	1937-07-09	Improvement of filter basins
FR859947D Expired FR859947A (en)	1939-06-08	1939-06-08	Tilting valves with adjustable position, particularly applicable to filtration installations

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR859947D Expired FR859947A (en)	1939-06-08	1939-06-08	Tilting valves with adjustable position, particularly applicable to filtration installations

Country Status (1)

Country	Link
FR (2)	FR824197A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2785123A (en) *	1953-02-02	1957-03-12	Tidewater Oil Company	Method and apparatus for purifying water

1937
- 1937-07-09 FR FR824197D patent/FR824197A/en not_active Expired
1939
- 1939-06-08 FR FR859947D patent/FR859947A/en not_active Expired

Also Published As

Publication number	Publication date
FR859947A (en)	1941-01-02

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