GB677644A - Improvements in methods and apparatus for clarifying liquids - Google Patents

Improvements in methods and apparatus for clarifying liquids

Info

Publication number
GB677644A
GB677644A GB18939/49A GB1893949A GB677644A GB 677644 A GB677644 A GB 677644A GB 18939/49 A GB18939/49 A GB 18939/49A GB 1893949 A GB1893949 A GB 1893949A GB 677644 A GB677644 A GB 677644A
Authority
GB
United Kingdom
Prior art keywords
particles
medium
rate
wall
liquid
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
GB18939/49A
Other languages
English (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.)
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
Publication of GB677644A publication Critical patent/GB677644A/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
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • 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
    • B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
    • B01D24/4621—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biological Treatment Of Waste Water (AREA)
GB18939/49A 1948-07-22 1949-07-19 Improvements in methods and apparatus for clarifying liquids Expired GB677644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA677644X 1948-07-22

Publications (1)

Publication Number Publication Date
GB677644A true GB677644A (en) 1952-08-20

Family

ID=25561165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18939/49A Expired GB677644A (en) 1948-07-22 1949-07-19 Improvements in methods and apparatus for clarifying liquids

Country Status (3)

Country Link
BE (1) BE490307A (enrdf_load_stackoverflow)
FR (1) FR991055A (enrdf_load_stackoverflow)
GB (1) GB677644A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740485B1 (fr) * 1995-10-25 1997-12-05 Induplast Sa Bassin tampon enterre de stockage et de traitement des eaux pluviales

Also Published As

Publication number Publication date
FR991055A (fr) 1951-10-01
BE490307A (enrdf_load_stackoverflow)

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