BE665841A - - Google Patents
Info
- Publication number
- BE665841A BE665841A BE665841DA BE665841A BE 665841 A BE665841 A BE 665841A BE 665841D A BE665841D A BE 665841DA BE 665841 A BE665841 A BE 665841A
- 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
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
- B01D7/02—Crystallisation directly from the vapour phase
-
- 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
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- 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
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37722664A | 1964-06-23 | 1964-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE665841A true BE665841A (de) | 1965-12-23 |
Family
ID=23488257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE665841D BE665841A (de) | 1964-06-23 | 1965-06-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3426065A (de) |
| BE (1) | BE665841A (de) |
| CH (1) | CH491069A (de) |
| DE (2) | DE1793627A1 (de) |
| GB (1) | GB1107994A (de) |
| NL (1) | NL6508021A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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) |
| CN109289230A (zh) * | 2018-08-08 | 2019-02-01 | 浙江工业大学 | 一种闭路循环-惰性粒子流化床连续化升华凝华分离精制装置及精制工艺 |
| CN113908627B (zh) * | 2021-12-14 | 2022-03-18 | 山东彩客东奥化学有限公司 | 一种处理硫酸浓缩尾气的装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1694124A (en) * | 1927-10-17 | 1928-12-04 | Selden Co | Purification of benzoic acid and its derivatives |
| US1686913A (en) * | 1927-10-18 | 1928-10-09 | Selden Co | Purification of benzoic acid and its derivatives |
| NL185142B (nl) * | 1954-02-15 | Corning Glass Works | Werkwijze ter vervaardiging van een voorwerp uit optisch glas. | |
| US2857429A (en) * | 1956-04-11 | 1958-10-21 | Olin Mathieson | Process for recovering pure phthalic acids |
| US2923736A (en) * | 1956-11-28 | 1960-02-02 | Ici Ltd | Purification of carboxylic acids |
-
1964
- 1964-06-23 US US377226A patent/US3426065A/en not_active Expired - Lifetime
-
1965
- 1965-06-15 GB GB25274/65A patent/GB1107994A/en not_active Expired
- 1965-06-22 DE DE19651793627 patent/DE1793627A1/de active Pending
- 1965-06-22 DE DE19651493063 patent/DE1493063A1/de not_active Withdrawn
- 1965-06-22 CH CH868565A patent/CH491069A/de not_active IP Right Cessation
- 1965-06-23 BE BE665841D patent/BE665841A/xx unknown
- 1965-06-23 NL NL6508021A patent/NL6508021A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3426065A (en) | 1969-02-04 |
| GB1107994A (en) | 1968-03-27 |
| NL6508021A (de) | 1965-12-24 |
| CH491069A (de) | 1970-05-31 |
| DE1793627A1 (de) | 1972-03-30 |
| DE1493063A1 (de) | 1969-02-13 |