GB9603907D0 - Method for monitoring the quality of liquid in backwashing filter beds - Google Patents

Method for monitoring the quality of liquid in backwashing filter beds

Info

Publication number
GB9603907D0
GB9603907D0 GBGB9603907.8A GB9603907A GB9603907D0 GB 9603907 D0 GB9603907 D0 GB 9603907D0 GB 9603907 A GB9603907 A GB 9603907A GB 9603907 D0 GB9603907 D0 GB 9603907D0
Authority
GB
United Kingdom
Prior art keywords
monitoring
quality
liquid
filter beds
backwashing filter
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Withdrawn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
GBGB9603907.8A
Other versions
GB2300822A (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.)
Suez Treatment Solutions Inc
Original Assignee
Infilco Degremont 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 Infilco Degremont Inc filed Critical Infilco Degremont Inc
Publication of GB9603907D0 publication Critical patent/GB9603907D0/en
Publication of GB2300822A publication Critical patent/GB2300822A/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Withdrawn legal-status Critical Current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
    • B01D24/20—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
    • B01D24/22—Downward filtration, the filter 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
    • 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)
  • Filtration Of Liquid (AREA)
GB9603907A 1995-05-15 1996-02-23 Method for monitoring the quality of liquid in backwaing filter beds Withdrawn GB2300822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44090195A 1995-05-15 1995-05-15

Publications (2)

Publication Number Publication Date
GB9603907D0 true GB9603907D0 (en) 1996-04-24
GB2300822A GB2300822A (en) 1996-11-20

Family

ID=23750660

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9603907A Withdrawn GB2300822A (en) 1995-05-15 1996-02-23 Method for monitoring the quality of liquid in backwaing filter beds

Country Status (5)

Country Link
JP (1) JPH0975616A (en)
CA (1) CA2171354A1 (en)
DE (1) DE19614817A1 (en)
FR (1) FR2734170A1 (en)
GB (1) GB2300822A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115212615B (en) * 2022-07-21 2023-09-19 中铁五局集团第一工程有限责任公司 Heavy metal ion removal method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5147560A (en) * 1990-08-01 1992-09-15 Infilco Degremont Inc. Method for monitoring turbidity of waste liquid in backwashing filter beds
US5288398A (en) * 1993-03-02 1994-02-22 Infilco Degremont Inc. Filter bed backwashing devices and methods

Also Published As

Publication number Publication date
FR2734170A1 (en) 1996-11-22
CA2171354A1 (en) 1996-11-16
GB2300822A (en) 1996-11-20
JPH0975616A (en) 1997-03-25
DE19614817A1 (en) 1996-11-21

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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)