CA2514677C - Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence - Google Patents

Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence Download PDF

Info

Publication number
CA2514677C
CA2514677C CA002514677A CA2514677A CA2514677C CA 2514677 C CA2514677 C CA 2514677C CA 002514677 A CA002514677 A CA 002514677A CA 2514677 A CA2514677 A CA 2514677A CA 2514677 C CA2514677 C CA 2514677C
Authority
CA
Canada
Prior art keywords
filter
layer
filter layer
floc
liquid
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 - Lifetime
Application number
CA002514677A
Other languages
English (en)
Other versions
CA2514677A1 (fr
Inventor
Annabelle Kim
R. Lee Roberts
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.)
RF Delaware Inc
Original Assignee
RF Delaware Inc
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
Priority claimed from US07/576,023 external-priority patent/US5080808A/en
Application filed by RF Delaware Inc filed Critical RF Delaware Inc
Priority claimed from CA002330528A external-priority patent/CA2330528C/fr
Publication of CA2514677A1 publication Critical patent/CA2514677A1/fr
Application granted granted Critical
Publication of CA2514677C publication Critical patent/CA2514677C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

CA002514677A 1990-08-31 1991-08-23 Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence Expired - Lifetime CA2514677C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US576,023 1990-08-31
US07/576,023 US5080808A (en) 1990-08-01 1990-08-31 Method of washing an upflow filter and filter bed employed in said filter
CA002330528A CA2330528C (fr) 1990-08-31 1991-08-23 Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002330528A Division CA2330528C (fr) 1990-08-31 1991-08-23 Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence

Publications (2)

Publication Number Publication Date
CA2514677A1 CA2514677A1 (fr) 1992-03-01
CA2514677C true CA2514677C (fr) 2009-11-24

Family

ID=35276923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002514677A Expired - Lifetime CA2514677C (fr) 1990-08-31 1991-08-23 Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence

Country Status (1)

Country Link
CA (1) CA2514677C (fr)

Also Published As

Publication number Publication date
CA2514677A1 (fr) 1992-03-01

Similar Documents

Publication Publication Date Title
US5080808A (en) Method of washing an upflow filter and filter bed employed in said filter
US5198124A (en) Upflow filter and method of washing same
US4627923A (en) Apparatus and method of filtering solids from a liquid effluent
US4340487A (en) Process for purifying water
US20220176276A1 (en) Multilayer Media Bed Filter with Improved Backwash
US5314630A (en) Systems and methods for clarifying liquids
US5635080A (en) Filter system with external scrubber
US5167840A (en) Systems and methods for clarifying liquids
JPH0857465A (ja) 浮遊ろ材を用いた水処理装置の逆洗方法
US4659462A (en) Apparatus for pretreatment of water using a bed of granular activated carbon
US4780219A (en) System for filtering suspended solids from a liquid
CA2514677C (fr) Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence
JPS6216125B2 (fr)
CA2330528C (fr) Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence
JP2690852B2 (ja) 自然ろ過装置の運転方法
JP3419640B2 (ja) 濾過装置及び濾過方法
Monk Design options for water filtration
JP3815615B2 (ja) 繊維ろ材を用いた高速ろ過装置
JP3235740B2 (ja) 固液分離装置
KR20040058088A (ko) 자동 역세 사여과기
JPH08257312A (ja) 濾過設備
JP3109644B2 (ja) ろ材の洗浄再生方法
WO2014099891A1 (fr) Technique de distribution de gaz et de liquide destinée à des filtres à eau ou eaux usées utilisant des drains souterrains
JP3469649B2 (ja) 浴槽湯の清浄化装置
Walker High Energy Flocculation and Air‐and‐Water Backwashing

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry