IT8720496A0 - PROCEDURE FOR CONCENTRATING AQUEOUS ALCOHOL SOLUTIONS BY PERVAPORATION. - Google Patents

PROCEDURE FOR CONCENTRATING AQUEOUS ALCOHOL SOLUTIONS BY PERVAPORATION.

Info

Publication number
IT8720496A0
IT8720496A0 IT8720496A IT2049687A IT8720496A0 IT 8720496 A0 IT8720496 A0 IT 8720496A0 IT 8720496 A IT8720496 A IT 8720496A IT 2049687 A IT2049687 A IT 2049687A IT 8720496 A0 IT8720496 A0 IT 8720496A0
Authority
IT
Italy
Prior art keywords
pervaporation
procedure
aqueous alcohol
alcohol solutions
concentrating aqueous
Prior art date
Application number
IT8720496A
Other languages
Italian (it)
Other versions
IT1215483B (en
Inventor
Antero Ahvenainen
Johan Fredrik Selin
Kaarina Savolainen
Jukka Seppala
Original Assignee
Neste Oy
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 Neste Oy filed Critical Neste Oy
Publication of IT8720496A0 publication Critical patent/IT8720496A0/en
Application granted granted Critical
Publication of IT1215483B publication Critical patent/IT1215483B/en

Links

Classifications

    • 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
    • B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
    • B01D61/362—Pervaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT2049687A 1986-05-14 1987-05-13 PROCEDURE FOR CONCENTRATING AQUEOUS SOLUTIONS OF ALCOHOL PER PERVAPORATION. IT1215483B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI862028A FI73960C (en) 1986-05-14 1986-05-14 Process for concentrating aqueous solutions of alcohols by evaporation

Publications (2)

Publication Number Publication Date
IT8720496A0 true IT8720496A0 (en) 1987-05-13
IT1215483B IT1215483B (en) 1990-02-14

Family

ID=8522615

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2049687A IT1215483B (en) 1986-05-14 1987-05-13 PROCEDURE FOR CONCENTRATING AQUEOUS SOLUTIONS OF ALCOHOL PER PERVAPORATION.

Country Status (13)

Country Link
JP (1) JPS6328409A (en)
BR (1) BR8702463A (en)
CS (1) CS268179B2 (en)
DD (1) DD265332A5 (en)
DE (1) DE3714784A1 (en)
FI (1) FI73960C (en)
FR (1) FR2600906B1 (en)
GB (1) GB2194465B (en)
IN (1) IN166625B (en)
IT (1) IT1215483B (en)
NO (1) NO162813C (en)
SE (1) SE8701955L (en)
ZA (1) ZA873094B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410243C1 (en) * 1994-03-24 1995-06-29 Carbone Ag Combined pervaporation-vapour permeation process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140256A (en) * 1957-09-30 1964-07-07 Standard Oil Co Separation process
FI66624C (en) * 1983-11-02 1984-11-12 Neste Oy FOERFARANDE FOER FRAMSTAELLNING AV CELLULOSAKARBAMATFIBRER ELLER -FILMER
DE3380299D1 (en) * 1983-12-14 1989-09-07 Dow Chemical Co A process for separating mixtures of water and an organic compoundand a water-selective permeation membrane

Also Published As

Publication number Publication date
SE8701955D0 (en) 1987-05-13
GB2194465A (en) 1988-03-09
GB2194465B (en) 1990-05-23
IT1215483B (en) 1990-02-14
DD265332A5 (en) 1989-03-01
DE3714784A1 (en) 1987-11-19
JPS6328409A (en) 1988-02-06
BR8702463A (en) 1988-02-23
NO871899L (en) 1987-11-16
FI73960C (en) 1987-12-10
CS334587A2 (en) 1989-04-14
FR2600906A1 (en) 1988-01-08
FI73960B (en) 1987-08-31
NO162813B (en) 1989-11-13
SE8701955L (en) 1987-11-15
IN166625B (en) 1990-06-23
ZA873094B (en) 1987-10-26
CS268179B2 (en) 1990-03-14
GB8711184D0 (en) 1987-06-17
NO871899D0 (en) 1987-05-07
FI862028A0 (en) 1986-05-14
FR2600906B1 (en) 1989-12-29
NO162813C (en) 1990-02-21

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