GB1437969A - Extraction process - Google Patents

Extraction process

Info

Publication number
GB1437969A
GB1437969A GB5852873A GB5852873A GB1437969A GB 1437969 A GB1437969 A GB 1437969A GB 5852873 A GB5852873 A GB 5852873A GB 5852873 A GB5852873 A GB 5852873A GB 1437969 A GB1437969 A GB 1437969A
Authority
GB
United Kingdom
Prior art keywords
extraction process
extraction
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
GB5852873A
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.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 Chemical Corp filed Critical Allied Chemical Corp
Publication of GB1437969A publication Critical patent/GB1437969A/en
Expired legal-status Critical Current

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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
GB5852873A 1973-01-02 1973-12-18 Extraction process Expired GB1437969A (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
GB1437969A true GB1437969A (en) 1976-06-03

Family

ID=23245962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5852873A Expired GB1437969A (en) 1973-01-02 1973-12-18 Extraction process

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078999A (en) * 1976-11-01 1978-03-14 The Dow Chemical Company Purification of polycarbonate solution

Families Citing this family (9)

* 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
US4113886A (en) * 1977-09-28 1978-09-12 General Foods Corporation Membrane decaffeination
EP0009922B1 (en) * 1978-10-04 1981-10-14 Occidental Research Corporation 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
PT2473548T (en) * 2009-09-02 2018-06-19 Huntsman Int 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078999A (en) * 1976-11-01 1978-03-14 The Dow Chemical Company Purification of polycarbonate solution

Also Published As

Publication number Publication date
IT1011515B (en) 1977-02-10
JPS49125276A (en) 1974-11-30
FR2212163B1 (en) 1978-04-21
DE2364679C2 (en) 1986-11-13
DE2364679A1 (en) 1974-07-04
CA1025368A (en) 1978-01-31
FR2212163A1 (en) 1974-07-26
JPS5831203B2 (en) 1983-07-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee