GB1264782A - - Google Patents

Info

Publication number
GB1264782A
GB1264782A GB5751667A GB1264782DA GB1264782A GB 1264782 A GB1264782 A GB 1264782A GB 5751667 A GB5751667 A GB 5751667A GB 1264782D A GB1264782D A GB 1264782DA GB 1264782 A GB1264782 A GB 1264782A
Authority
GB
United Kingdom
Prior art keywords
particles
crundall
fibres
plastics
granulated
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
GB5751667A
Other languages
English (en)
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 filed Critical
Publication of GB1264782A publication Critical patent/GB1264782A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • 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
    • B01D24/46—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
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)
GB5751667A 1967-12-19 1967-12-19 Expired GB1264782A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5751667 1967-12-19

Publications (1)

Publication Number Publication Date
GB1264782A true GB1264782A (enrdf_load_stackoverflow) 1972-02-23

Family

ID=10479374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5751667A Expired GB1264782A (enrdf_load_stackoverflow) 1967-12-19 1967-12-19

Country Status (1)

Country Link
GB (1) GB1264782A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520631A1 (fr) * 1982-02-01 1983-08-05 Gozal David Procede pour floculer des particules microscopiques en suspension dans un liquide et application a la collecte des microalgues phytoplanctoniques et du zooplancton en suspension dans l'eau
GB2116445A (en) * 1982-03-16 1983-09-28 Paterson Candy Int A filter for and a method of removing solids from liquids
US4547286A (en) * 1980-07-22 1985-10-15 Neptune Microfloc, Inc. Water filtration process and apparatus having upflow filter with buoyant filter media and downflow filter with nonbuoyant filter media
US4608181A (en) * 1983-03-25 1986-08-26 Neptune Microfloc, Inc. Water filtration apparatus having upflow buoyant media filter and downflow nonbuoyant media filter
GB2193955A (en) * 1986-08-18 1988-02-24 Walter Mansel James Liquid separator
EP0259928A1 (en) * 1986-09-10 1988-03-16 Recticel Equipment for the anaerobic fermentation of sewage water and also a method for a combined anaerobic/aerobic fermentation of sewage water
US4743382A (en) * 1980-08-06 1988-05-10 The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Method and apparatus for separating suspended solids from liquids
US5413749A (en) * 1993-06-04 1995-05-09 Wheelabrator Engineered Systems Inc. Process of making beads for a liquid purification bed
EP1369157A4 (en) * 2001-03-13 2004-12-08 Ngk Insulators Ltd FILTERS FOR FILTRATION WITH A HIGH FLOW RATE AND RELATED FILTER METHOD
BE1016341A5 (nl) * 2004-12-08 2006-08-01 Depannagedienst Van Boxel J J Inrichting voor het ontwateren van slib.

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547286A (en) * 1980-07-22 1985-10-15 Neptune Microfloc, Inc. Water filtration process and apparatus having upflow filter with buoyant filter media and downflow filter with nonbuoyant filter media
US4743382A (en) * 1980-08-06 1988-05-10 The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Method and apparatus for separating suspended solids from liquids
EP0085629A1 (fr) * 1982-02-01 1983-08-10 Gozal, David Procédé pour floculer des particules microscopiques en suspension dans un liquide et applications à la collecte des microalgues phytoplanctoniques et du zooplancton et à l'épuration d'eaux usées
FR2520631A1 (fr) * 1982-02-01 1983-08-05 Gozal David Procede pour floculer des particules microscopiques en suspension dans un liquide et application a la collecte des microalgues phytoplanctoniques et du zooplancton en suspension dans l'eau
GB2116445A (en) * 1982-03-16 1983-09-28 Paterson Candy Int A filter for and a method of removing solids from liquids
US4608181A (en) * 1983-03-25 1986-08-26 Neptune Microfloc, Inc. Water filtration apparatus having upflow buoyant media filter and downflow nonbuoyant media filter
GB2193955B (en) * 1986-08-18 1991-02-06 Walter Mansel James Separator
GB2193955A (en) * 1986-08-18 1988-02-24 Walter Mansel James Liquid separator
EP0259928A1 (en) * 1986-09-10 1988-03-16 Recticel Equipment for the anaerobic fermentation of sewage water and also a method for a combined anaerobic/aerobic fermentation of sewage water
US5413749A (en) * 1993-06-04 1995-05-09 Wheelabrator Engineered Systems Inc. Process of making beads for a liquid purification bed
US6391448B1 (en) 1993-06-04 2002-05-21 United States Filter Corporation Liquid purification beds and beads therefor
EP1369157A4 (en) * 2001-03-13 2004-12-08 Ngk Insulators Ltd FILTERS FOR FILTRATION WITH A HIGH FLOW RATE AND RELATED FILTER METHOD
BE1016341A5 (nl) * 2004-12-08 2006-08-01 Depannagedienst Van Boxel J J Inrichting voor het ontwateren van slib.

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees