IT1011515B - SOLVENT EXTRACTION WITH MEMBRANE - Google Patents

SOLVENT EXTRACTION WITH MEMBRANE

Info

Publication number
IT1011515B
IT1011515B IT70940/73A IT7094073A IT1011515B IT 1011515 B IT1011515 B IT 1011515B IT 70940/73 A IT70940/73 A IT 70940/73A IT 7094073 A IT7094073 A IT 7094073A IT 1011515 B IT1011515 B IT 1011515B
Authority
IT
Italy
Prior art keywords
membrane
solvent extraction
extraction
solvent
Prior art date
Application number
IT70940/73A
Other languages
Italian (it)
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Application granted granted Critical
Publication of IT1011515B publication Critical patent/IT1011515B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0415—Solvent extraction of solutions which are liquid in combination with membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/24—Dialysis ; Membrane extraction
    • B01D61/246—Membrane extraction
    • B01D61/2461—Membrane extraction comprising multiple membrane extraction steps
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0706—Purification ; Separation of hydrogen chloride
    • C01B7/0731—Purification ; Separation of hydrogen chloride by extraction
    • C01B7/0737—Purification ; Separation of hydrogen chloride by extraction hydrogen chloride being extracted
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/09—Bromine; Hydrogen bromide
    • C01B7/096—Bromine
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT70940/73A 1973-01-02 1973-12-31 SOLVENT EXTRACTION WITH MEMBRANE IT1011515B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32034173A 1973-01-02 1973-01-02

Publications (1)

Publication Number Publication Date
IT1011515B true IT1011515B (en) 1977-02-10

Family

ID=23245962

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70940/73A IT1011515B (en) 1973-01-02 1973-12-31 SOLVENT EXTRACTION WITH MEMBRANE

Country Status (6)

Country Link
JP (1) JPS5831203B2 (en)
CA (1) CA1025368A (en)
DE (1) DE2364679C2 (en)
FR (1) FR2212163B1 (en)
GB (1) GB1437969A (en)
IT (1) IT1011515B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218312A (en) * 1975-12-01 1980-08-19 Monsanto Company Membrane separation of organics from aqueous solutions
US4078999A (en) * 1976-11-01 1978-03-14 The Dow Chemical Company Purification of polycarbonate solution
US4113886A (en) * 1977-09-28 1978-09-12 General Foods Corporation Membrane decaffeination
DE2961011D1 (en) * 1978-10-04 1981-12-24 Occidental Res Corp Extraction process using stabilized emulsions
EP0167736B1 (en) * 1984-05-21 1988-08-10 Akzo GmbH Method of transfering metal ions by use of microporous membranes
JPS62231001A (en) * 1984-11-06 1987-10-09 中山　市二郎 Undershirts for breast parts of winter clothes
US4966707A (en) * 1986-05-13 1990-10-30 Celanese Corporation Liquid/liquid extractions with microporous membranes
GB0909967D0 (en) 2009-06-10 2009-07-22 Membrane Extraction Tech Ltd Polyimide membrane
CA2771008C (en) * 2009-09-02 2013-12-10 Huntsman International Llc A method for removing methylene-bridged polyphenyl polyamines from an aqueous stream
EP4234531A1 (en) 2022-02-25 2023-08-30 Evonik Superabsorber GmbH Separation of acrylic acid using membrane contactors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB645876A (en) * 1947-05-12 1950-11-08 Robert Andrew Gordon Stockdale Improvements in and relating to the extraction and purification of organic compounds
DE1055503B (en) * 1956-06-29 1959-04-23 Dr Hans Thomass Process for exchanging the dispersant for dispersions containing solids and solutes
US3339341A (en) * 1965-12-22 1967-09-05 Du Pont Fluid separation process and apparatus

Also Published As

Publication number Publication date
DE2364679A1 (en) 1974-07-04
DE2364679C2 (en) 1986-11-13
FR2212163A1 (en) 1974-07-26
JPS5831203B2 (en) 1983-07-05
CA1025368A (en) 1978-01-31
FR2212163B1 (en) 1978-04-21
GB1437969A (en) 1976-06-03
JPS49125276A (en) 1974-11-30

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