GB2181365B - Improvements in or relating to the unblocking of filters - Google Patents

Improvements in or relating to the unblocking of filters

Info

Publication number
GB2181365B
GB2181365B GB08622769A GB8622769A GB2181365B GB 2181365 B GB2181365 B GB 2181365B GB 08622769 A GB08622769 A GB 08622769A GB 8622769 A GB8622769 A GB 8622769A GB 2181365 B GB2181365 B GB 2181365B
Authority
GB
United Kingdom
Prior art keywords
unblocking
filters
relating
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
GB08622769A
Other versions
GB8622769D0 (en
GB2181365A (en
Inventor
Christopher James Morgan
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8622769D0 publication Critical patent/GB8622769D0/en
Publication of GB2181365A publication Critical patent/GB2181365A/en
Application granted granted Critical
Publication of GB2181365B publication Critical patent/GB2181365B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
    • B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/80—Chemical processes for the removal of the retained particles, e.g. by burning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)
GB08622769A 1985-09-27 1986-09-22 Improvements in or relating to the unblocking of filters Expired GB2181365B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858523850A GB8523850D0 (en) 1985-09-27 1985-09-27 Unblocking of filters

Publications (3)

Publication Number Publication Date
GB8622769D0 GB8622769D0 (en) 1986-10-29
GB2181365A GB2181365A (en) 1987-04-23
GB2181365B true GB2181365B (en) 1989-01-05

Family

ID=10585805

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858523850A Pending GB8523850D0 (en) 1985-09-27 1985-09-27 Unblocking of filters
GB08622769A Expired GB2181365B (en) 1985-09-27 1986-09-22 Improvements in or relating to the unblocking of filters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858523850A Pending GB8523850D0 (en) 1985-09-27 1985-09-27 Unblocking of filters

Country Status (1)

Country Link
GB (2) GB8523850D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1199021A (en) * 1967-09-16 1970-07-15 James Howorth & Company Ltd Improvements in Filters
DE3316527A1 (en) * 1983-05-06 1984-11-08 Henkel KGaA, 4000 Düsseldorf METHOD FOR WASHING THE FILTER ELEMENTS OF A GAS FILTER AND DEVICE FOR CARRYING OUT THE METHOD

Also Published As

Publication number Publication date
GB8523850D0 (en) 1985-12-11
GB8622769D0 (en) 1986-10-29
GB2181365A (en) 1987-04-23

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Legal Events

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

Effective date: 20000922