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DE3714784A1 - Verfahren zum konzentrieren von alkoholwasserloesungen mittels pervaporation - Google Patents

Verfahren zum konzentrieren von alkoholwasserloesungen mittels pervaporation

Info

Publication number
DE3714784A1
DE3714784A1 DE19873714784 DE3714784A DE3714784A1 DE 3714784 A1 DE3714784 A1 DE 3714784A1 DE 19873714784 DE19873714784 DE 19873714784 DE 3714784 A DE3714784 A DE 3714784A DE 3714784 A1 DE3714784 A1 DE 3714784A1
Authority
DE
Germany
Prior art keywords
membrane
cellulose
pervaporation
cellulose carbamate
carbamate
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.)
Withdrawn
Application number
DE19873714784
Other languages
German (de)
English (en)
Inventor
Antero Ahvenainen
Johan-Fredrik Selin
Kaarina Savolainen
Jukka Seppaelae
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.)
Neste Oyj
Original Assignee
Neste Oyj
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 Oyj filed Critical Neste Oyj
Publication of DE3714784A1 publication Critical patent/DE3714784A1/de
Withdrawn legal-status Critical Current

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)
DE19873714784 1986-05-14 1987-05-04 Verfahren zum konzentrieren von alkoholwasserloesungen mittels pervaporation Withdrawn DE3714784A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI862028A FI73960C (fi) 1986-05-14 1986-05-14 Foerfarande foer koncentrering av vattenloesningar av alkoholer medelst pervaporation.

Publications (1)

Publication Number Publication Date
DE3714784A1 true DE3714784A1 (de) 1987-11-19

Family

ID=8522615

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873714784 Withdrawn DE3714784A1 (de) 1986-05-14 1987-05-04 Verfahren zum konzentrieren von alkoholwasserloesungen mittels pervaporation

Country Status (13)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410243C1 (de) * 1994-03-24 1995-06-29 Carbone Ag Membranverfahren zur Trennung fluider Gemische

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 (fi) * 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
FI73960C (fi) 1987-12-10
GB2194465A (en) 1988-03-09
NO162813B (no) 1989-11-13
JPS6328409A (ja) 1988-02-06
FR2600906B1 (fr) 1989-12-29
IN166625B (es) 1990-06-23
CS268179B2 (en) 1990-03-14
NO871899D0 (no) 1987-05-07
ZA873094B (en) 1987-10-26
SE8701955D0 (sv) 1987-05-13
FI862028A0 (fi) 1986-05-14
SE8701955L (sv) 1987-11-15
GB2194465B (en) 1990-05-23
FR2600906A1 (fr) 1988-01-08
IT8720496A0 (it) 1987-05-13
NO162813C (no) 1990-02-21
FI73960B (fi) 1987-08-31
BR8702463A (pt) 1988-02-23
CS334587A2 (en) 1989-04-14
GB8711184D0 (en) 1987-06-17
NO871899L (no) 1987-11-16
IT1215483B (it) 1990-02-14
DD265332A5 (de) 1989-03-01

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM.

8139 Disposal/non-payment of the annual fee