CA1176181A - Filtre annulaire - Google Patents

Filtre annulaire

Info

Publication number: CA1176181A
Authority: CA; Canada
Prior art keywords: filter bed; backwash; filter; bed; passing
Prior art date: 1981-06-02
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

CA000378862A

Other languages

English (en)

Inventor

Thomas G. Barton

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.)

Minister of National Defence of Canada

Original Assignee

Minister of National Defence of Canada

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.)

1981-06-02

Filing date

1981-06-02

Publication date

1984-10-16

1981-06-02 Application filed by Minister of National Defence of Canada filed Critical Minister of National Defence of Canada

1981-06-02 Priority to CA000378862A priority Critical patent/CA1176181A/fr

1984-10-16 Application granted granted Critical

1984-10-16 Publication of CA1176181A publication Critical patent/CA1176181A/fr

Status Expired legal-status Critical Current

Links

238000001914 filtration Methods 0.000 claims abstract description 24
238000000034 method Methods 0.000 claims abstract description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
239000007787 solid Substances 0.000 claims description 24
239000002245 particle Substances 0.000 claims description 14
239000007788 liquid Substances 0.000 claims description 11
239000004576 sand Substances 0.000 claims description 10
239000002699 waste material Substances 0.000 claims description 6
238000004064 recycling Methods 0.000 claims description 4
239000000725 suspension Substances 0.000 claims description 4
238000010926 purge Methods 0.000 claims description 3
239000013505 freshwater Substances 0.000 claims description 2
238000011001 backwashing Methods 0.000 description 10
239000000463 material Substances 0.000 description 5
230000035699 permeability Effects 0.000 description 4
238000004140 cleaning Methods 0.000 description 3
230000008021 deposition Effects 0.000 description 3
239000008187 granular material Substances 0.000 description 3
230000035515 penetration Effects 0.000 description 3
230000009467 reduction Effects 0.000 description 3
229910000278 bentonite Inorganic materials 0.000 description 2
239000000440 bentonite Substances 0.000 description 2
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
239000003245 coal Substances 0.000 description 2
239000012530 fluid Substances 0.000 description 2
238000011835 investigation Methods 0.000 description 2
239000011148 porous material Substances 0.000 description 2
238000009991 scouring Methods 0.000 description 2
238000010008 shearing Methods 0.000 description 2
238000005406 washing Methods 0.000 description 2
XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
229940037003 alum Drugs 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
238000005243 fluidization Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
230000003134 recirculating effect Effects 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000011800 void material Substances 0.000 description 1
239000003643 water by type Substances 0.000 description 1

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
- B01D24/10—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
- B01D24/105—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 downward filtration without specifications about the filter material supporting means
- 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
- B01D24/001—Making filter elements not provided for elsewhere
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/10—Safety devices, e.g. by-passes
- B01D27/108—Flow control valves; Damping or calibrated passages

Landscapes

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

CA000378862A 1981-06-02 1981-06-02 Filtre annulaire Expired CA1176181A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000378862A CA1176181A (fr)	1981-06-02	1981-06-02	Filtre annulaire

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000378862A CA1176181A (fr)	1981-06-02	1981-06-02	Filtre annulaire

Publications (1)

Publication Number	Publication Date
CA1176181A true CA1176181A (fr)	1984-10-16

Family

ID=4120122

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000378862A Expired CA1176181A (fr)	1981-06-02	1981-06-02	Filtre annulaire

Country Status (1)

Country	Link
CA (1)	CA1176181A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2189848C2 (ru) *	2000-05-06	2002-09-27	Открытое акционерное общество Алтайский научно-исследовательский институт технологии машиностроения	Бытовой фильтр

1981
- 1981-06-02 CA CA000378862A patent/CA1176181A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2189848C2 (ru) *	2000-05-06	2002-09-27	Открытое акционерное общество Алтайский научно-исследовательский институт технологии машиностроения	Бытовой фильтр

Legal Events

Date	Code	Title	Description
2001-10-16	MKEX	Expiry

Publication	Publication Date	Title
US7374676B2 (en)	2008-05-20	High rate filtration system
KR102666856B1 (ko)	2024-05-17	개선된 역세척 기능을 갖는 다층 매체 베드 필터
CA1184854A (fr)	1985-04-02	Methode de filtration des fluides de traitement des forages petroliferes et gaziferes
US3459302A (en)	1969-08-05	Apparatus and method of filtering solids from a liquid effluent
US3276585A (en)	1966-10-04	Filtration process
Darby et al.	1991	Depth filtration of wastewater: particle size and ripening
US3900395A (en)	1975-08-19	Method of and apparatus for filtering
US3542674A (en)	1970-11-24	Method for removing solids suspensions in liquids
US5167840A (en)	1992-12-01	Systems and methods for clarifying liquids
US3631983A (en)	1972-01-04	Method for backwashing filters
Letterman	1987	An overview of filtration
US3680699A (en)	1972-08-01	Method of water filtration
CA1176181A (fr)	1984-10-16	Filtre annulaire
Rajapakse et al.	1990	Pre‐filtration of very highly turbid waters using pebble matrix filtration
US3674146A (en)	1972-07-04	Method of regenerating filter aids
Bourgeous et al.	2003	Performance Evaluation of a Cloth‐Media Disk Filter for Wastewater Reclamation
US3897339A (en)	1975-07-29	Filter assembly having a precompacted filter medium
JP3436947B2 (ja)	2003-08-18	懸濁液のろ過装置
Ives et al.	1972	Filtration of water and wastewater
Mohanka	1969	Multilayer filtration
GB2124921A (en)	1984-02-29	Filtering method and apparatus
CA2274778C (fr)	2004-07-20	Systeme de filtration a debit eleve
Adin et al.	1993	The role of particle characterization in advanced wastewater treatment
KR20020085964A (ko)	2002-11-18	과포화 용존공기를 함유한 물에 의한 여과지의 역세척방법
Dodds et al.	1988	Filtration processes

CA1176181A - Filtre annulaire - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4120122

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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