GB927536A - Laboratory filtration rate apparatus and methods - Google Patents
Laboratory filtration rate apparatus and methodsInfo
- Publication number
- GB927536A GB927536A GB1757360A GB1757360A GB927536A GB 927536 A GB927536 A GB 927536A GB 1757360 A GB1757360 A GB 1757360A GB 1757360 A GB1757360 A GB 1757360A GB 927536 A GB927536 A GB 927536A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filtration
- compared
- earth
- drum
- oil
- 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
Links
- 238000001914 filtration Methods 0.000 title abstract 7
- 238000000034 method Methods 0.000 title 1
- 238000004061 bleaching Methods 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- 239000003086 colorant Substances 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/18—Heating or cooling the filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Fats And Perfumes (AREA)
Abstract
Filtration apparatus comprises a filtration member having a screw-threaded outlet stem depending from it, the stem being engaged in a threaded aperture in the base of a thermostatically-controlled heating bath which surrounds at least part of the filtration member. A Buchner flask or the like having a pressure-tight stopper may engage the lower end of the stem in a pressure tight manner. Preferably the filtration member consists of a funnel with a perforate plate on which a filter paper is placed. Rates of filtration of oil through different, or differently-prepared, bleaching earths may be compared by mixing oil and earth, heating the mixture, pouring it into the filter member and timing the filtration in each case. Degrees of retention of oil by earth may also be compared. Bleaching efficiencies may be compared by comparing colours of filtrates. Several filter members may be associated with one heating bath. The bleaching earth cake may be removed bodily by placing on it a filter paper, applying to it the perforated end of a hollow drum, evacuating the drum, and removing the drum with the adhering cake.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1757360A GB927536A (en) | 1960-05-18 | 1960-05-18 | Laboratory filtration rate apparatus and methods |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1757360A GB927536A (en) | 1960-05-18 | 1960-05-18 | Laboratory filtration rate apparatus and methods |
Publications (1)
Publication Number | Publication Date |
---|---|
GB927536A true GB927536A (en) | 1963-05-29 |
Family
ID=10097558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1757360A Expired GB927536A (en) | 1960-05-18 | 1960-05-18 | Laboratory filtration rate apparatus and methods |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB927536A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112986092A (en) * | 2021-02-07 | 2021-06-18 | 上海兴长活性炭有限公司 | Activated carbon filtration rate detection device and filtration rate detection method thereof |
-
1960
- 1960-05-18 GB GB1757360A patent/GB927536A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112986092A (en) * | 2021-02-07 | 2021-06-18 | 上海兴长活性炭有限公司 | Activated carbon filtration rate detection device and filtration rate detection method thereof |
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