FR972416A - Improvement in the fractionation of substances by dewatering foams - Google Patents

Improvement in the fractionation of substances by dewatering foams

Info

Publication number
FR972416A
FR972416A FR972416DA FR972416A FR 972416 A FR972416 A FR 972416A FR 972416D A FR972416D A FR 972416DA FR 972416 A FR972416 A FR 972416A
Authority
FR
France
Prior art keywords
foam
column
liquid
dewatering
fractionation
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
Other languages
French (fr)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR972416A publication Critical patent/FR972416A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B03D1/06—Froth-flotation processes differential
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/245—Injecting gas through perforated or porous area

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Centrifugal Separators (AREA)
  • Physical Water Treatments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

589,628. Purifying liquids. KODAK-PATHE. Feb. 2, 1945, No. 2708. Convention date, March 7, 1941. [Class 46] In a method of separating a substance from a liquid in which it is dissolved or dispersed by draining a column of foam formed above the liquid, as described in Specification 535,099, a movement of rotation about a vertical axis is imparted to the foam to avoid turbulence and re-mixing of the layers of foam. In the arrangement shown liquid in a vessel 2 is agitated by compressed gas passing through a perforated partition 4 whereby foam is formed on a column 1. A shaft 5 mounted in the column is rotated by an electric motor 8, the shaft carrying arms 6 provided with blades 7.
FR972416D 1941-03-07 1941-03-07 Improvement in the fractionation of substances by dewatering foams Expired FR972416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR972416T 1941-03-07

Publications (1)

Publication Number Publication Date
FR972416A true FR972416A (en) 1951-01-30

Family

ID=40510045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972416D Expired FR972416A (en) 1941-03-07 1941-03-07 Improvement in the fractionation of substances by dewatering foams

Country Status (6)

Country Link
BE (1) BE449425A (en)
CH (1) CH237382A (en)
DE (1) DE870833C (en)
FR (1) FR972416A (en)
GB (1) GB589628A (en)
NL (1) NL59888C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055494A (en) * 1977-02-14 1977-10-25 Envirotech Corporation Thickening device and method

Also Published As

Publication number Publication date
DE870833C (en) 1953-03-16
CH237382A (en) 1945-04-30
BE449425A (en) 1943-09-01
NL59888C (en) 1947-09-15
GB589628A (en) 1947-06-25

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