ATE103205T1 - Celluloseacetatbutyrat-membranen zur trennung von gasen. - Google Patents
Celluloseacetatbutyrat-membranen zur trennung von gasen.Info
- Publication number
- ATE103205T1 ATE103205T1 AT88117189T AT88117189T ATE103205T1 AT E103205 T1 ATE103205 T1 AT E103205T1 AT 88117189 T AT88117189 T AT 88117189T AT 88117189 T AT88117189 T AT 88117189T AT E103205 T1 ATE103205 T1 AT E103205T1
- Authority
- AT
- Austria
- Prior art keywords
- membranes
- cellulose acetate
- gas
- percent
- ammonia
- Prior art date
Links
Classifications
-
- 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
- B01D71/14—Esters of organic acids
- B01D71/18—Mixed esters, e.g. cellulose acetate-butyrate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0476—Purge gas treatment, e.g. for removal of inert gases or recovery of H2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10964887A | 1987-10-19 | 1987-10-19 | |
EP88117189A EP0312943B1 (de) | 1987-10-19 | 1988-10-15 | Celluloseacetatbutyrat-Membranen zur Trennung von Gasen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE103205T1 true ATE103205T1 (de) | 1994-04-15 |
Family
ID=22328813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88117189T ATE103205T1 (de) | 1987-10-19 | 1988-10-15 | Celluloseacetatbutyrat-membranen zur trennung von gasen. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0312943B1 (de) |
AT (1) | ATE103205T1 (de) |
CA (1) | CA1317423C (de) |
DE (1) | DE3888623T2 (de) |
ES (1) | ES2050691T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020092018A1 (en) * | 2018-10-31 | 2020-05-07 | Fluid Technology Solutions (Fts), Inc. | Amine functional cellulose substrate for thin film composite membranes and methods of preparing the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3483282A (en) * | 1967-12-21 | 1969-12-09 | Universal Water Corp | Production of semipermeable membranes |
US3607329A (en) * | 1969-04-22 | 1971-09-21 | Us Interior | Cellulose acetate butyrate semipermeable membranes and their production |
US3593855A (en) * | 1969-05-13 | 1971-07-20 | Westinghouse Electric Corp | High flow porous reverse osmosis membranes containing lipids |
DE3525235C1 (de) * | 1985-07-15 | 1986-11-27 | Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht | Verfahren zur Herstellung und Erhoehung der Selektivitaet einer integralasymmetrischen Membran |
US4746475A (en) * | 1986-10-10 | 1988-05-24 | Hoechst Celanese Corporation | Ultrathin cellulose ester polymer films and their preparation |
-
1988
- 1988-10-15 EP EP88117189A patent/EP0312943B1/de not_active Expired - Lifetime
- 1988-10-15 AT AT88117189T patent/ATE103205T1/de not_active IP Right Cessation
- 1988-10-15 DE DE3888623T patent/DE3888623T2/de not_active Expired - Fee Related
- 1988-10-15 ES ES88117189T patent/ES2050691T3/es not_active Expired - Lifetime
- 1988-10-18 CA CA000580435A patent/CA1317423C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3888623D1 (de) | 1994-04-28 |
ES2050691T3 (es) | 1994-06-01 |
EP0312943A2 (de) | 1989-04-26 |
CA1317423C (en) | 1993-05-11 |
EP0312943A3 (en) | 1990-01-10 |
DE3888623T2 (de) | 1994-07-21 |
EP0312943B1 (de) | 1994-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |