GB927536A - Laboratory filtration rate apparatus and methods - Google Patents

Laboratory filtration rate apparatus and methods

Info

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
Application number
GB1757360A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1757360A priority Critical patent/GB927536A/en
Publication of GB927536A publication Critical patent/GB927536A/en
Expired legal-status Critical Current

Links

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

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.
GB1757360A 1960-05-18 1960-05-18 Laboratory filtration rate apparatus and methods Expired GB927536A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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