BR8702463A - Processo para concentrar solucoes aquosas de alcoois,e utilizacao de uma membrana de carbamato de celulose - Google Patents
Processo para concentrar solucoes aquosas de alcoois,e utilizacao de uma membrana de carbamato de celuloseInfo
- Publication number
- BR8702463A BR8702463A BR8702463A BR8702463A BR8702463A BR 8702463 A BR8702463 A BR 8702463A BR 8702463 A BR8702463 A BR 8702463A BR 8702463 A BR8702463 A BR 8702463A BR 8702463 A BR8702463 A BR 8702463A
- Authority
- BR
- Brazil
- Prior art keywords
- membrane
- aqueous alcohol
- alcohol solutions
- cellulose carbamate
- concentrate aqueous
- Prior art date
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)
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 |
|---|---|
| BR8702463A true BR8702463A (pt) | 1988-02-23 |
Family
ID=8522615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8702463A BR8702463A (pt) | 1986-05-14 | 1987-05-13 | Processo para concentrar solucoes aquosas de alcoois,e utilizacao de uma membrana de carbamato de celulose |
Country Status (13)
Families Citing this family (1)
| 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)
| 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 |
-
1986
- 1986-05-14 FI FI862028A patent/FI73960C/fi not_active IP Right Cessation
-
1987
- 1987-04-29 ZA ZA873094A patent/ZA873094B/xx unknown
- 1987-04-30 IN IN352/CAL/87A patent/IN166625B/en unknown
- 1987-05-04 DE DE19873714784 patent/DE3714784A1/de not_active Withdrawn
- 1987-05-07 NO NO871899A patent/NO162813C/no unknown
- 1987-05-11 CS CS873345A patent/CS268179B2/cs unknown
- 1987-05-12 GB GB8711184A patent/GB2194465B/en not_active Expired - Fee Related
- 1987-05-13 SE SE8701955A patent/SE8701955L/xx not_active Application Discontinuation
- 1987-05-13 DD DD87302727A patent/DD265332A5/de not_active IP Right Cessation
- 1987-05-13 IT IT2049687A patent/IT1215483B/it active
- 1987-05-13 BR BR8702463A patent/BR8702463A/pt unknown
- 1987-05-14 JP JP62118065A patent/JPS6328409A/ja active Pending
- 1987-05-14 FR FR8706787A patent/FR2600906B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA873094B (en) | 1987-10-26 |
| NO871899L (no) | 1987-11-16 |
| NO162813C (no) | 1990-02-21 |
| IT1215483B (it) | 1990-02-14 |
| IT8720496A0 (it) | 1987-05-13 |
| FI862028A0 (fi) | 1986-05-14 |
| JPS6328409A (ja) | 1988-02-06 |
| FI73960C (fi) | 1987-12-10 |
| FR2600906A1 (fr) | 1988-01-08 |
| DE3714784A1 (de) | 1987-11-19 |
| NO162813B (no) | 1989-11-13 |
| GB2194465A (en) | 1988-03-09 |
| CS334587A2 (en) | 1989-04-14 |
| GB2194465B (en) | 1990-05-23 |
| NO871899D0 (no) | 1987-05-07 |
| SE8701955L (sv) | 1987-11-15 |
| CS268179B2 (en) | 1990-03-14 |
| DD265332A5 (de) | 1989-03-01 |
| FI73960B (fi) | 1987-08-31 |
| FR2600906B1 (fr) | 1989-12-29 |
| GB8711184D0 (en) | 1987-06-17 |
| SE8701955D0 (sv) | 1987-05-13 |
| IN166625B (enrdf_load_stackoverflow) | 1990-06-23 |
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