BE666675A - - Google Patents
Info
- Publication number
- BE666675A BE666675A BE666675A BE666675A BE666675A BE 666675 A BE666675 A BE 666675A BE 666675 A BE666675 A BE 666675A BE 666675 A BE666675 A BE 666675A BE 666675 A BE666675 A BE 666675A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US381653A US3362989A (en) | 1964-07-10 | 1964-07-10 | Method for fractional sublimation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE666675A true BE666675A (US07655688-20100202-C00086.png) | 1966-01-10 |
Family
ID=23505860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE666675A BE666675A (US07655688-20100202-C00086.png) | 1964-07-10 | 1965-07-09 |
Country Status (7)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL147412B (nl) * | 1964-12-15 | 1975-10-15 | Mobil Oil Corp | Werkwijze voor het zuiveren van tereftaalzuur door sublimatie. |
| DE3501371A1 (de) * | 1985-01-17 | 1986-07-17 | Hüls AG, 4370 Marl | Verfahren und vorrichtung zur fraktionierten desublimation von dampffoermigen feststoffen aus gas-dampf-gemischen |
| US4670587A (en) * | 1986-02-03 | 1987-06-02 | Louisiana State University And Agricultural And Mechanical College | Process for reducing the 4-carboxybenzaldehyde content of a crude terephthalic acid product |
| US5413681A (en) * | 1993-11-15 | 1995-05-09 | Eastman Chemical Company | Process for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate) |
| CN102300611B (zh) * | 2009-01-27 | 2014-09-03 | 巴斯夫欧洲公司 | 通过分级升华/凝华而连续提纯固体混合物的方法和设备 |
| DE102020001331A1 (de) | 2020-02-28 | 2021-09-02 | Messer Group Gmbh | Verfahren und Vorrichtung zur Abscheidung von Paraffinen aus einem Gasstrom |
| CN111729431A (zh) * | 2020-07-16 | 2020-10-02 | 湖北乔驰实业有限公司 | 一种节能环保炉型垃圾焚烧用烟气处理装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1686913A (en) * | 1927-10-18 | 1928-10-09 | Selden Co | Purification of benzoic acid and its derivatives |
| FR1148715A (fr) * | 1956-04-03 | 1957-12-13 | Pechiney | Sublimation |
| US2923736A (en) * | 1956-11-28 | 1960-02-02 | Ici Ltd | Purification of carboxylic acids |
-
1964
- 1964-07-10 US US381653A patent/US3362989A/en not_active Expired - Lifetime
-
1965
- 1965-06-15 GB GB25277/65A patent/GB1081579A/en not_active Expired
- 1965-07-07 DE DE19651519701 patent/DE1519701A1/de active Pending
- 1965-07-08 CH CH959865A patent/CH441228A/de unknown
- 1965-07-08 NL NL656508837A patent/NL142396B/xx unknown
- 1965-07-09 BE BE666675A patent/BE666675A/xx unknown
- 1965-07-12 FR FR24231A patent/FR1459820A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1459820A (fr) | 1966-11-25 |
| NL142396B (nl) | 1974-06-17 |
| CH441228A (de) | 1967-08-15 |
| NL6508837A (US07655688-20100202-C00086.png) | 1966-01-11 |
| US3362989A (en) | 1968-01-09 |
| DE1519701A1 (de) | 1970-03-12 |
| GB1081579A (en) | 1967-08-31 |
