CA1191794A - Methode et installation d'epuration intensive de l'eau par remontee a travers une garniture de filtration flottante - Google Patents

Methode et installation d'epuration intensive de l'eau par remontee a travers une garniture de filtration flottante

Info

Publication number
CA1191794A
CA1191794A CA000382178A CA382178A CA1191794A CA 1191794 A CA1191794 A CA 1191794A CA 000382178 A CA000382178 A CA 000382178A CA 382178 A CA382178 A CA 382178A CA 1191794 A CA1191794 A CA 1191794A
Authority
CA
Canada
Prior art keywords
filter
vessel
upflow
water
bed
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
Application number
CA000382178A
Other languages
English (en)
Inventor
Andrew K. Hsiung
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.)
Neptune Microfloc Inc
Original Assignee
Neptune Microfloc 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
Application filed by Neptune Microfloc Inc filed Critical Neptune Microfloc Inc
Application granted granted Critical
Publication of CA1191794A publication Critical patent/CA1191794A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • 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
    • 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
    • B01D24/16—Upward filtration
    • B01D24/167—Upward 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
    • 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
    • B01D24/26—Upward filtration
    • 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
    • B01D24/26—Upward filtration
    • B01D24/266—Upward 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
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/38—Feed or discharge devices
    • B01D24/40—Feed or discharge devices for feeding
    • 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
    • B01D24/38—Feed or discharge devices
    • B01D24/42—Feed or discharge devices for discharging filtrate
    • 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
    • B01D24/38—Feed or discharge devices
    • B01D24/44—Feed or discharge devices for discharging filter cake, e.g. chutes
    • 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
    • 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
    • B01D24/4807—Handling the filter cake for purposes other than regenerating
    • 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
    • B01D24/4807—Handling the filter cake for purposes other than regenerating
    • B01D24/4846—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Biological Treatment Of Waste Water (AREA)
CA000382178A 1980-07-22 1981-07-21 Methode et installation d'epuration intensive de l'eau par remontee a travers une garniture de filtration flottante Expired CA1191794A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17115180A 1980-07-22 1980-07-22
US171,151 1980-07-22

Publications (1)

Publication Number Publication Date
CA1191794A true CA1191794A (fr) 1985-08-13

Family

ID=22622746

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382178A Expired CA1191794A (fr) 1980-07-22 1981-07-21 Methode et installation d'epuration intensive de l'eau par remontee a travers une garniture de filtration flottante

Country Status (5)

Country Link
AU (1) AU550452B2 (fr)
BR (1) BR8104695A (fr)
CA (1) CA1191794A (fr)
GB (1) GB2080696B (fr)
SG (1) SG80786G (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6953525B2 (en) 2002-05-28 2005-10-11 Ms Filter Inc. Potable water treatment plant and method of maintaining same

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8524495D0 (en) * 1985-10-04 1985-11-06 Ontario Research Foundation Buoyant media filter
JPH0217908A (ja) * 1988-07-05 1990-01-22 Nishihara Environ Sanit Res Corp 固液分離装置の洗浄方法
GB9012703D0 (en) * 1990-06-07 1990-08-01 Anglian Water Services Ltd Sewage treatment
CN106890603A (zh) * 2017-03-29 2017-06-27 天津西敦津洋环保科技有限公司 一种轻颗粒悬浮***
CN112709130B (zh) * 2020-12-23 2023-10-24 青岛林海建设工程有限公司 一种易清理的市政桥梁泄水装置
CN113041710A (zh) * 2021-03-12 2021-06-29 中国恩菲工程技术有限公司 连续过滤***和方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6953525B2 (en) 2002-05-28 2005-10-11 Ms Filter Inc. Potable water treatment plant and method of maintaining same
US7258798B2 (en) 2002-05-28 2007-08-21 Ms Filter Inc. Potable water treatment plant and method of maintaining same

Also Published As

Publication number Publication date
AU7315181A (en) 1982-01-28
GB2080696B (en) 1984-08-08
BR8104695A (pt) 1982-04-06
AU550452B2 (en) 1986-03-20
GB2080696A (en) 1982-02-10
SG80786G (en) 1988-09-30

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Legal Events

Date Code Title Description
MKEX Expiry