GB1442543A - Method and apparatus for selectively backwashing or replacing a filter media in a continuously filtering liquid purifying system - Google Patents

Method and apparatus for selectively backwashing or replacing a filter media in a continuously filtering liquid purifying system

Info

Publication number
GB1442543A
GB1442543A GB1509974A GB1509974A GB1442543A GB 1442543 A GB1442543 A GB 1442543A GB 1509974 A GB1509974 A GB 1509974A GB 1509974 A GB1509974 A GB 1509974A GB 1442543 A GB1442543 A GB 1442543A
Authority
GB
United Kingdom
Prior art keywords
filter medium
replacing
backwashing
purifying system
filtering 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
Application number
GB1509974A
Other languages
English (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.)
Beazer East Inc
Original Assignee
Koppers Co 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 Koppers Co Inc filed Critical Koppers Co Inc
Publication of GB1442543A publication Critical patent/GB1442543A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • 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
    • B01D24/005—Filters being divided into a plurality of cells or compartments
    • 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
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
    • B01D24/4647—Counter-current flushing, e.g. by air with valves, e.g. rotating valves with a rectilinear movement of the closing means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Filtration Of Liquid (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
GB1509974A 1973-04-23 1974-04-04 Method and apparatus for selectively backwashing or replacing a filter media in a continuously filtering liquid purifying system Expired GB1442543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35348773A 1973-04-23 1973-04-23

Publications (1)

Publication Number Publication Date
GB1442543A true GB1442543A (en) 1976-07-14

Family

ID=23389334

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1509974A Expired GB1442543A (en) 1973-04-23 1974-04-04 Method and apparatus for selectively backwashing or replacing a filter media in a continuously filtering liquid purifying system

Country Status (7)

Country Link
JP (1) JPS502261A (ja)
BR (1) BR7403280D0 (ja)
DE (1) DE2411642A1 (ja)
FR (1) FR2226197B1 (ja)
GB (1) GB1442543A (ja)
IT (1) IT1035073B (ja)
ZA (1) ZA742258B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112624253A (zh) * 2021-02-01 2021-04-09 南大环境规划设计研究院(江苏)有限公司 高浓度有机废水净化设备

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170487A (ja) * 1974-12-17 1976-06-18 Nippon Telegraph & Telephone Kaiteikeeburunyusuikakusokuteisochi
JPS5287466A (en) * 1976-01-16 1977-07-21 Takashi Ishikawa Flameeand heattresisting resin containing inorganic substance
JPS5328459A (en) * 1976-08-28 1978-03-16 Hitachi Construction Machinery Apparatus for measuring verticalness of vertical hole
JPS54133395U (ja) * 1978-03-09 1979-09-14
FR2445734A1 (fr) * 1979-01-08 1980-08-01 Environmental Elements Corp Filtre a cellules multiples avec milieu de filtration de type granulaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112624253A (zh) * 2021-02-01 2021-04-09 南大环境规划设计研究院(江苏)有限公司 高浓度有机废水净化设备

Also Published As

Publication number Publication date
JPS502261A (ja) 1975-01-10
ZA742258B (en) 1975-03-26
BR7403280D0 (pt) 1974-11-19
DE2411642A1 (de) 1974-11-14
FR2226197B1 (ja) 1980-08-08
FR2226197A1 (ja) 1974-11-15
IT1035073B (it) 1979-10-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee