JPS5322665A - Filter and backkwashing method therefor - Google Patents

Filter and backkwashing method therefor

Info

Publication number: JPS5322665A
Authority: JP; Japan
Prior art keywords: backkwashing; filter; method therefor; therefor; backkwashing method
Prior art date: 1976-07-22
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.): Pending

Application number

JP8782977A

Other languages

Japanese (ja)

Inventor

Rindosutoru Andaasu

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.)

Ecodyne Corp

Original Assignee

Ecodyne Corp

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.)

1976-07-22

Filing date

1977-07-21

Publication date

1978-03-02

1977-06-02 Priority claimed from US05/802,927 external-priority patent/US4082664A/en

1977-07-21 Application filed by Ecodyne Corp filed Critical Ecodyne Corp

1978-03-02 Publication of JPS5322665A publication Critical patent/JPS5322665A/en

Status Pending 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
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/004—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel 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
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/005—Filters being divided into a plurality of cells or compartments
- 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
- 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
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring

Landscapes

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

JP8782977A 1976-07-22 1977-07-21 Filter and backkwashing method therefor Pending JPS5322665A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US69977576A	1976-07-22	1976-07-22
US05/802,927 US4082664A (en)	1976-07-22	1977-06-02	Filter and method

Publications (1)

Publication Number	Publication Date
JPS5322665A true JPS5322665A (en)	1978-03-02

Family

ID=27106490

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP8782977A Pending JPS5322665A (en)	1976-07-22	1977-07-21	Filter and backkwashing method therefor

Country Status (7)

Country	Link
JP (1)	JPS5322665A (en)
AR (1)	AR213442A1 (en)
AU (1)	AU508535B2 (en)
CA (1)	CA1090712A (en)
DE (1)	DE2733025A1 (en)
GB (1)	GB1582654A (en)
IT (1)	IT1079985B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58131111A (en) *	1981-09-29	1983-08-04	ノルベルテイス・ボウタ−・ヘンドリツク・フエルデユ−ン	Filter apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3151189C1 (en) *	1981-12-23	1983-07-21	Cojafex B.V., 3011 Rotterdam	Device for separating Suspensa from a pressurized fluid
DE4101332A1 (en) *	1991-01-18	1992-07-23	Ibo W Grimmel Abwassertechnik	Device for cleaning filter layer in waste water clarifier
FR2705583B1 (en) *	1993-05-28	1995-08-18	Degremont	Improvements made to filtering devices for clarifying liquids, especially water.

1977
- 1977-06-22 CA CA281,165A patent/CA1090712A/en not_active Expired
- 1977-07-01 AU AU26699/77A patent/AU508535B2/en not_active Expired
- 1977-07-19 AR AR268484A patent/AR213442A1/en active
- 1977-07-20 IT IT50355/77A patent/IT1079985B/en active
- 1977-07-21 DE DE19772733025 patent/DE2733025A1/en not_active Withdrawn
- 1977-07-21 JP JP8782977A patent/JPS5322665A/en active Pending
- 1977-07-22 GB GB30962/77A patent/GB1582654A/en not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58131111A (en) *	1981-09-29	1983-08-04	ノルベルテイス・ボウタ−・ヘンドリツク・フエルデユ−ン	Filter apparatus
JPH0318921B2 (en) *	1981-09-29	1991-03-13	Botaa Hendoritsuku Fuerudeyuun Noruberuteisu

Also Published As

Publication number	Publication date
CA1090712A (en)	1980-12-02
AU508535B2 (en)	1980-03-27
AR213442A1 (en)	1979-01-31
IT1079985B (en)	1985-05-16
DE2733025A1 (en)	1978-01-26
AU2669977A (en)	1979-01-04
GB1582654A (en)	1981-01-14

Publication	Publication Date	Title
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BG28422A4 (en)	1980-04-15	Acaricid substance and method for acar- fighting
JPS53116346A (en)	1978-10-11	Ammooxidation method and catalyst
JPS5322665A (en)	1978-03-02	Filter and backkwashing method therefor
JPS5325523A (en)	1978-03-09	Compounds and method
JPS537664A (en)	1978-01-24	Compound and method
JPS525056A (en)	1977-01-14	Filter and manufacturing method therefor
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JPS52114442A (en)	1977-09-26	Drawing method and composition therefor
GB1555189A (en)	1979-11-07	Tetramethyldiphosphinomethane methyllithium-dimethylphosphine and processes for making them
JPS5288869A (en)	1977-07-25	Filter press method and system therefor
JPS5291986A (en)	1977-08-02	Washing and squeese method
JPS5326324A (en)	1978-03-11	Deodrizing method and deodrant