GB8928570D0 - Treating liquids in filters - Google Patents

Treating liquids in filters

Info

Publication number
GB8928570D0
GB8928570D0 GB898928570A GB8928570A GB8928570D0 GB 8928570 D0 GB8928570 D0 GB 8928570D0 GB 898928570 A GB898928570 A GB 898928570A GB 8928570 A GB8928570 A GB 8928570A GB 8928570 D0 GB8928570 D0 GB 8928570D0
Authority
GB
United Kingdom
Prior art keywords
filters
treating liquids
liquids
treating
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.)
Withdrawn
Application number
GB898928570A
Other versions
GB2239192A (en
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.)
SEYMOUR EDWARD A
Original Assignee
SEYMOUR EDWARD A
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 SEYMOUR EDWARD A filed Critical SEYMOUR EDWARD A
Priority to GB8928570A priority Critical patent/GB2239192A/en
Publication of GB8928570D0 publication Critical patent/GB8928570D0/en
Priority to PCT/GB1990/001984 priority patent/WO1991008817A1/en
Priority to AU69076/91A priority patent/AU6907691A/en
Priority to EP91900892A priority patent/EP0468001A1/en
Publication of GB2239192A publication Critical patent/GB2239192A/en
Withdrawn legal-status Critical Current

Links

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
    • B01D24/02—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
    • 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
    • B01D24/165—Upward filtration the filtering 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
    • B01D24/38—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
    • B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
    • 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
    • B01D24/4869—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 level measuring
    • 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)
  • Biological Treatment Of Waste Water (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB8928570A 1989-12-19 1989-12-19 Filter bed Withdrawn GB2239192A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8928570A GB2239192A (en) 1989-12-19 1989-12-19 Filter bed
PCT/GB1990/001984 WO1991008817A1 (en) 1989-12-19 1990-12-19 Treating liquids in filters
AU69076/91A AU6907691A (en) 1989-12-19 1990-12-19 Treating liquids in filters
EP91900892A EP0468001A1 (en) 1989-12-19 1990-12-19 Treating liquids in filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8928570A GB2239192A (en) 1989-12-19 1989-12-19 Filter bed

Publications (2)

Publication Number Publication Date
GB8928570D0 true GB8928570D0 (en) 1990-02-21
GB2239192A GB2239192A (en) 1991-06-26

Family

ID=10668124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8928570A Withdrawn GB2239192A (en) 1989-12-19 1989-12-19 Filter bed

Country Status (4)

Country Link
EP (1) EP0468001A1 (en)
AU (1) AU6907691A (en)
GB (1) GB2239192A (en)
WO (1) WO1991008817A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112169387A (en) * 2020-11-12 2021-01-05 湖南澳维环保科技有限公司 Upflow filter and filtering method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3734227B2 (en) * 1991-10-18 2006-01-11 三井造船株式会社 Upflow type high-speed filter
GB9305022D0 (en) * 1993-03-11 1993-04-28 Biwater Europ Limited Bifilm process and plant
GB2306122B (en) * 1995-10-10 1999-07-21 Tetra Europ Ltd A system for reducing head against which air blowers must operate in a filter
CN104353281B (en) * 2014-10-30 2015-12-30 成都科盛石油科技有限公司 Fluid pressure type filtration system
CN104310506B (en) * 2014-10-30 2015-12-30 成都科盛石油科技有限公司 A kind of water treatment system that filtration procedure is controlled
CN104326588B (en) * 2014-10-30 2015-12-30 成都科盛石油科技有限公司 There is the device improving petroleum waste water filtration efficiency function

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072882A (en) * 1963-11-28 1967-06-21 Berkefeld Filter Ges Und Celle Improvements in and relating to filters
US3695433A (en) * 1970-09-28 1972-10-03 Hydromation Filter Co A method of filtering a mixture of liquid and fibrous solid contaminants
FR2255935A1 (en) * 1973-12-27 1975-07-25 Huardeau Jacques Clarifier with floating filtering material - for rapid combined settlement and filtration of polluted liqs.
US4157959A (en) * 1977-08-15 1979-06-12 Kansas State University Research Foundation Method of filtration using convertible (semifluidized) beds
US4139473A (en) * 1977-09-12 1979-02-13 Alldredge Robert L Filter
US4246119A (en) * 1979-02-12 1981-01-20 Alldredge Robert L Liquid sand filter
US4322296A (en) * 1980-08-12 1982-03-30 Kansas State Univ. Research Foundation Method for wastewater treatment in fluidized bed biological reactors
US4438000A (en) * 1982-08-10 1984-03-20 Kansas State University Research Foundation Method of filtration using semifluidized beds
FR2555462B1 (en) * 1983-11-30 1986-05-23 Gozal David METHOD FOR CONCENTRATION OF A SUSPENSION OF MICROSCOPIC PARTICLES, DEVICE FOR CARRYING OUT SAID METHOD AND APPLICATIONS THEREOF
US4627118A (en) * 1984-05-04 1986-12-09 Baker William H Vacuum filter for swimming pools controlling water recirculation capacity to accommodate varying gutter flow

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112169387A (en) * 2020-11-12 2021-01-05 湖南澳维环保科技有限公司 Upflow filter and filtering method
CN112169387B (en) * 2020-11-12 2023-10-31 湖南澳维科技股份有限公司 Filtration method of upflow filter

Also Published As

Publication number Publication date
WO1991008817A1 (en) 1991-06-27
EP0468001A1 (en) 1992-01-29
AU6907691A (en) 1991-07-18
GB2239192A (en) 1991-06-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)