GB9301820D0 - Method of treating liquids and apparatus therefor - Google Patents
Method of treating liquids and apparatus thereforInfo
- Publication number
- GB9301820D0 GB9301820D0 GB939301820A GB9301820A GB9301820D0 GB 9301820 D0 GB9301820 D0 GB 9301820D0 GB 939301820 A GB939301820 A GB 939301820A GB 9301820 A GB9301820 A GB 9301820A GB 9301820 D0 GB9301820 D0 GB 9301820D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- apparatus therefor
- treating liquids
- liquids
- treating
- therefor
- 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.)
- Granted
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
- B01D24/26—Upward filtration
- B01D24/263—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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909017172A GB9017172D0 (en) | 1990-08-06 | 1990-08-06 | Method of treating liquids and apparatus therefor |
PCT/GB1991/001313 WO1992002286A1 (en) | 1990-08-06 | 1991-08-01 | Method of treating liquids and apparatus therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9301820D0 true GB9301820D0 (en) | 1993-05-05 |
GB2263073A GB2263073A (en) | 1993-07-14 |
GB2263073B GB2263073B (en) | 1994-05-25 |
Family
ID=10680210
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB909017172A Pending GB9017172D0 (en) | 1990-08-06 | 1990-08-06 | Method of treating liquids and apparatus therefor |
GB9301820A Expired - Fee Related GB2263073B (en) | 1990-08-06 | 1993-01-29 | Method of treating liquids and apparatus therefor |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB909017172A Pending GB9017172D0 (en) | 1990-08-06 | 1990-08-06 | Method of treating liquids and apparatus therefor |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU8294791A (en) |
GB (2) | GB9017172D0 (en) |
IE (1) | IE69318B1 (en) |
WO (1) | WO1992002286A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4226660A1 (en) * | 1992-08-12 | 1994-02-17 | Oase Pumpen | Filters for pond water |
EP1369157B1 (en) * | 2001-03-13 | 2007-09-26 | Ngk Insulators, Ltd. | High rate filter and high rate filtration method using the filter |
RU171492U1 (en) * | 2016-12-12 | 2017-06-02 | Закрытое акционерное общество "КРЕАЛ" | Filter sump |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3004614A1 (en) * | 1980-02-08 | 1981-08-13 | Hans 4720 Beckum Nowatzyk | Filter for liquids - where filtration medium consists of filling located between two perforated plates in filter tank, and floating on liq. to be filtered |
US4446027A (en) * | 1980-03-20 | 1984-05-01 | Environmental Elements Corp. | Buoyant media filter |
AU1622083A (en) * | 1982-08-02 | 1984-02-09 | Ecodyne Corp. | Regenerating a filter of cellular material |
JPH0217908A (en) * | 1988-07-05 | 1990-01-22 | Nishihara Environ Sanit Res Corp | Method for washing solid-liquid separation apparatus |
-
1990
- 1990-08-06 GB GB909017172A patent/GB9017172D0/en active Pending
-
1991
- 1991-08-01 AU AU82947/91A patent/AU8294791A/en not_active Abandoned
- 1991-08-01 WO PCT/GB1991/001313 patent/WO1992002286A1/en unknown
- 1991-08-02 IE IE277691A patent/IE69318B1/en not_active IP Right Cessation
-
1993
- 1993-01-29 GB GB9301820A patent/GB2263073B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9017172D0 (en) | 1990-09-19 |
GB2263073A (en) | 1993-07-14 |
GB2263073B (en) | 1994-05-25 |
AU8294791A (en) | 1992-03-02 |
WO1992002286A1 (en) | 1992-02-20 |
IE912776A1 (en) | 1992-02-12 |
IE69318B1 (en) | 1996-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010801 |