NL253742A - - Google Patents
Info
- Publication number
- NL253742A NL253742A NL253742DA NL253742A NL 253742 A NL253742 A NL 253742A NL 253742D A NL253742D A NL 253742DA NL 253742 A NL253742 A NL 253742A
- Authority
- NL
- Netherlands
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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/222—In rotating vessels; vessels with movable parts
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Working-Up Tar And Pitch (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER25935A DE1252197B (de) | 1959-07-13 | 1959-07-13 | Verfahren zur Gewinnung von Phthalsaeureanhydrid aus den Destillationsrueckstaenden von rohem Phthalsaeureanhydrid |
| DER0026711 | 1959-11-12 | ||
| DER0028847 | 1960-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL253742A true NL253742A (US06265458-20010724-C00056.png) |
Family
ID=27212056
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257871D NL257871A (US06265458-20010724-C00056.png) | 1959-07-13 | ||
| NL253742D NL253742A (US06265458-20010724-C00056.png) | 1959-07-13 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257871D NL257871A (US06265458-20010724-C00056.png) | 1959-07-13 |
Country Status (5)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE638424A (US06265458-20010724-C00056.png) * | 1962-10-17 | |||
| DE1266748C2 (de) * | 1966-05-21 | 1973-07-19 | Basf Ag | Verfahren zur Verhinderung der Verkrustung von Heizflaechen bei der kontinuierlichen Destillation von Phthalsaeureanhydrid |
| US3425477A (en) * | 1966-09-28 | 1969-02-04 | Marathon Eng Inc | Method for heat recovery in evaporating and burning spent liquor |
| DE1668398C3 (de) * | 1967-07-07 | 1979-07-05 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Gewinnung von reinen Phthalsäureanhydrid |
| DE1643703C3 (de) * | 1967-12-01 | 1981-07-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Phthalsäureanhydrid |
| FR2224435B1 (US06265458-20010724-C00056.png) * | 1973-04-05 | 1976-11-12 | Rhone Progil | |
| JPS5364974A (en) * | 1976-11-24 | 1978-06-09 | Mitsui Toatsu Chem Inc | Method of treating by product in the process of producing phthalicanhydride |
| US4979886A (en) * | 1989-01-27 | 1990-12-25 | Newlandex Corporation | Remediation of combustible organic contaminated water |
| US5092959A (en) * | 1990-04-27 | 1992-03-03 | Yamato Scientific Co., Ltd. | Organic solvent spray dryer device |
| US5458739A (en) * | 1994-02-04 | 1995-10-17 | Vendome Copper & Brass Works | Volatiles separator and concentrator |
| AU2008267751B2 (en) * | 2007-06-22 | 2013-07-18 | Gomtech Pty Ltd | Selective removal of a target liquid constituent from a multi-component liquid |
| CN102671400B (zh) * | 2011-08-01 | 2014-05-07 | 天津聚贤达科技有限公司 | 一种用于多效多相流蒸发器的效间过料装置及方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1798166A (en) * | 1927-03-24 | 1931-03-31 | Calco Chemical Co Inc | Beta-naphthol pellet |
| US1987282A (en) * | 1931-08-29 | 1935-01-08 | Monsanto Chemicals | Method of purification by sublimation |
| US1987301A (en) * | 1933-12-08 | 1935-01-08 | Monsanto Chemicals | Purification by sublimation |
| US2219333A (en) * | 1934-12-31 | 1940-10-29 | Solvay Process Co | Production of phthalic anhydride |
| US2445314A (en) * | 1944-06-26 | 1948-07-20 | Stephen H Crossman | Gun sight |
| US2702091A (en) * | 1950-05-02 | 1955-02-15 | California Research Corp | Recovery of molten phthalic anhydride |
| US3002980A (en) * | 1957-08-30 | 1961-10-03 | American Cyanamid Co | Recovery of phthalic anhydride from phthalic anhydride coke |
| US2951555A (en) * | 1958-07-11 | 1960-09-06 | Monsanto Chemicals | Recovery of maleic anhydride |
-
0
- BE BE597012D patent/BE597012A/xx unknown
- NL NL257871D patent/NL257871A/xx unknown
- BE BE592877D patent/BE592877A/xx unknown
- NL NL253742D patent/NL253742A/xx unknown
-
1959
- 1959-07-13 DE DER25935A patent/DE1252197B/de active Pending
-
1960
- 1960-07-11 GB GB24165/60A patent/GB956712A/en not_active Expired
- 1960-10-31 GB GB37370/60A patent/GB937904A/en not_active Expired
- 1960-11-07 US US67580A patent/US3280009A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3280009A (en) | 1966-10-18 |
| BE597012A (US06265458-20010724-C00056.png) | |
| NL257871A (US06265458-20010724-C00056.png) | |
| GB937904A (en) | 1963-09-25 |
| GB956712A (en) | 1964-04-29 |
| BE592877A (US06265458-20010724-C00056.png) | |
| DE1252197B (de) | 1967-10-19 |
