BR8702463A - PROCESS TO CONCENTRATE AQUEOUS ALCOHOL SOLUTIONS, AND USE OF A CELLULOSE CARBAMATE MEMBRANE - Google Patents

PROCESS TO CONCENTRATE AQUEOUS ALCOHOL SOLUTIONS, AND USE OF A CELLULOSE CARBAMATE MEMBRANE

Info

Publication number: BR8702463A
Authority: BR; Brazil
Prior art keywords: membrane; aqueous alcohol; alcohol solutions; cellulose carbamate; concentrate aqueous
Prior art date: 1986-05-14

Application number

BR8702463A

Other languages

Portuguese (pt)

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.)

1986-05-14

Filing date

1987-05-13

Publication date

1988-02-23

1987-05-13 Application filed by Neste Oy filed Critical Neste Oy

1988-02-23 Publication of BR8702463A publication Critical patent/BR8702463A/en

Links

KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 title 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title 1
229920002678 cellulose Polymers 0.000 title 1
239000001913 cellulose Substances 0.000 title 1
239000012141 concentrate Substances 0.000 title 1
239000012528 membrane Substances 0.000 title 1

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)

BR8702463A 1986-05-14 1987-05-13 PROCESS TO CONCENTRATE AQUEOUS ALCOHOL SOLUTIONS, AND USE OF A CELLULOSE CARBAMATE MEMBRANE BR8702463A (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 (1)

Publication Number	Publication Date
BR8702463A true BR8702463A (en)	1988-02-23

Family

ID=8522615

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8702463A BR8702463A (en)	1986-05-14	1987-05-13	PROCESS TO CONCENTRATE AQUEOUS ALCOHOL SOLUTIONS, AND USE OF A CELLULOSE CARBAMATE MEMBRANE

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
EP0146655B1 (en) *	1983-12-14	1989-08-02	The Dow Chemical Company	A process for separating mixtures of water and an organic compoundand a water-selective permeation membrane

1986
- 1986-05-14 FI FI862028A patent/FI73960C/en not_active IP Right Cessation
1987
- 1987-04-29 ZA ZA873094A patent/ZA873094B/en unknown
- 1987-04-30 IN IN352/CAL/87A patent/IN166625B/en unknown
- 1987-05-04 DE DE19873714784 patent/DE3714784A1/en not_active Withdrawn
- 1987-05-07 NO NO871899A patent/NO162813C/en unknown
- 1987-05-11 CS CS873345A patent/CS268179B2/en unknown
- 1987-05-12 GB GB8711184A patent/GB2194465B/en not_active Expired - Fee Related
- 1987-05-13 BR BR8702463A patent/BR8702463A/en unknown
- 1987-05-13 SE SE8701955A patent/SE8701955L/en not_active Application Discontinuation
- 1987-05-13 IT IT2049687A patent/IT1215483B/en active
- 1987-05-13 DD DD87302727A patent/DD265332A5/en not_active IP Right Cessation
- 1987-05-14 JP JP62118065A patent/JPS6328409A/en active Pending
- 1987-05-14 FR FR8706787A patent/FR2600906B1/en not_active Expired

Also Published As

Publication number	Publication date
GB8711184D0 (en)	1987-06-17
DE3714784A1 (en)	1987-11-19
NO871899L (en)	1987-11-16
FI862028A0 (en)	1986-05-14
FI73960C (en)	1987-12-10
NO162813B (en)	1989-11-13
JPS6328409A (en)	1988-02-06
SE8701955L (en)	1987-11-15
GB2194465A (en)	1988-03-09
SE8701955D0 (en)	1987-05-13
NO162813C (en)	1990-02-21
ZA873094B (en)	1987-10-26
IT8720496A0 (en)	1987-05-13
FR2600906B1 (en)	1989-12-29
DD265332A5 (en)	1989-03-01
CS268179B2 (en)	1990-03-14
FI73960B (en)	1987-08-31
IT1215483B (en)	1990-02-14
NO871899D0 (en)	1987-05-07
GB2194465B (en)	1990-05-23
FR2600906A1 (en)	1988-01-08
CS334587A2 (en)	1989-04-14
IN166625B (en)	1990-06-23

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