ES430422A1 - Un dispositivo de filtro para filtracion descendente. - Google Patents

Un dispositivo de filtro para filtracion descendente.

Info

Publication number: ES430422A1
Authority: ES; Spain
Prior art keywords: particles; bed; upper layer; layer; downward direction
Prior art date: 1973-10-02
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

ES430422A

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.)

BOC Group Ltd

Original Assignee

British Oxigen 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.)

1973-10-02

Filing date

1974-09-26

Publication date

1976-10-16

1974-09-26 Application filed by British Oxigen Ltd filed Critical British Oxigen Ltd

1976-10-16 Publication of ES430422A1 publication Critical patent/ES430422A1/es

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
- B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
- B01D24/008—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
- 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
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/14—Particulate filter materials with a lower density than the liquid mixture to be filtered
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/188—Multiple filtering elements having filtering areas of different size

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtering Materials (AREA)
Filtration Of Liquid (AREA)

ES430422A 1973-10-02 1974-09-26 Un dispositivo de filtro para filtracion descendente. Expired ES430422A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB46031/73A GB1487914A (en)	1973-10-02	1973-10-02	Filtration

Publications (1)

Publication Number	Publication Date
ES430422A1 true ES430422A1 (es)	1976-10-16

Family

ID=10439562

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES430422A Expired ES430422A1 (es)	1973-10-02	1974-09-26	Un dispositivo de filtro para filtracion descendente.

Country Status (4)

Country	Link
BR (1)	BR7408115A (pt)
ES (1)	ES430422A1 (pt)
GB (1)	GB1487914A (pt)
ZA (1)	ZA745992B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2116445B (en) *	1982-03-16	1985-10-23	Paterson Candy Int	A filter for and a method of removing solids from liquids
IL76105A0 (en) *	1984-08-29	1985-12-31	Int Minerals & Chem Corp	Sand filter media and method of purifying water
FR2610653B1 (fr) *	1987-02-05	1989-05-05	Hoarau Patrick	Dispositif de prefiltre anticolmatage par cartouche interchangeable incorporee dans les fosses septiques
GB2369069B (en)	2000-11-03	2005-02-09	Spruce Internat Separations Lt	Water treatment system

1973
- 1973-10-02 GB GB46031/73A patent/GB1487914A/en not_active Expired
1974
- 1974-09-20 ZA ZA00745992A patent/ZA745992B/xx unknown
- 1974-09-26 ES ES430422A patent/ES430422A1/es not_active Expired
- 1974-09-30 BR BR8115/74A patent/BR7408115A/pt unknown

Also Published As

Publication number	Publication date
ZA745992B (en)	1975-09-24
GB1487914A (en)	1977-10-05
AU7373474A (en)	1976-04-01
BR7408115A (pt)	1975-11-04

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