DE2255400B2 - Verfahren zur Abscheidung von Phthalsäureanhydrid - Google Patents
Verfahren zur Abscheidung von PhthalsäureanhydridInfo
- Publication number
- DE2255400B2 DE2255400B2 DE2255400A DE2255400A DE2255400B2 DE 2255400 B2 DE2255400 B2 DE 2255400B2 DE 2255400 A DE2255400 A DE 2255400A DE 2255400 A DE2255400 A DE 2255400A DE 2255400 B2 DE2255400 B2 DE 2255400B2
- Authority
- DE
- Germany
- Prior art keywords
- gas
- separator
- temperature
- range
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title claims description 13
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical group CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 9
- 230000008021 deposition Effects 0.000 title claims 3
- 239000007789 gas Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 18
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000012495 reaction gas Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 5
- 229940078552 o-xylene Drugs 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims 1
- 239000011976 maleic acid Substances 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- 239000002912 waste gas Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 7
- 239000006227 byproduct Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2255400A DE2255400B2 (de) | 1972-11-11 | 1972-11-11 | Verfahren zur Abscheidung von Phthalsäureanhydrid |
| IT3102673A IT1012089B (it) | 1972-11-11 | 1973-11-07 | Procedimento per la separazione di anidride ftalica dal gas di reazione ottenuto nell ossidazio ne catalitica di o. xilolo con aria |
| FR7339638A FR2206307B1 (enExample) | 1972-11-11 | 1973-11-08 | |
| JP48126152A JPS5844669B2 (ja) | 1972-11-11 | 1973-11-09 | ムスイフタルサンノブンリホウホウ |
| US05/549,998 US4062871A (en) | 1972-11-11 | 1975-02-14 | Process for the desublimation of phthalic anhydride |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2255400A DE2255400B2 (de) | 1972-11-11 | 1972-11-11 | Verfahren zur Abscheidung von Phthalsäureanhydrid |
| US42290373A | 1973-12-07 | 1973-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2255400A1 DE2255400A1 (de) | 1974-05-30 |
| DE2255400B2 true DE2255400B2 (de) | 1974-10-10 |
Family
ID=25764068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2255400A Ceased DE2255400B2 (de) | 1972-11-11 | 1972-11-11 | Verfahren zur Abscheidung von Phthalsäureanhydrid |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4062871A (enExample) |
| JP (1) | JPS5844669B2 (enExample) |
| DE (1) | DE2255400B2 (enExample) |
| FR (1) | FR2206307B1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158747A1 (de) * | 1984-03-30 | 1985-10-23 | Metallgesellschaft Ag | Verfahren zum periodischen Beheizen des Produktabscheiders einer Anlage zur Herstellung von Phthalsäureanhydrid oder Maleinsäureanhydrid |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391617A (en) * | 1978-09-15 | 1983-07-05 | Way Peter F | Process for the recovery of vaporized sublimates from gas streams |
| US4252772A (en) * | 1978-09-15 | 1981-02-24 | Way Peter F | Apparatus for the recovery of vaporized phthalic anhydride from gas streams |
| DE19852894B4 (de) * | 1998-11-17 | 2007-02-15 | GEA Luftkühler GmbH | Verfahren zur Gewinnung von Phthalsäureanhydrid durch katalytische Gasphasenreaktion und Vorrichtung zur Durchführung des Verfahrens |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3471521A (en) * | 1964-07-20 | 1969-10-07 | United States Steel Corp | Method of reducing deposition of solids and tarry materials from a gaseous effluent in the oxidation of an organic hydrocarbon to produce phthalic anhydride |
| DE2005628A1 (enExample) * | 1970-02-07 | 1970-10-29 |
-
1972
- 1972-11-11 DE DE2255400A patent/DE2255400B2/de not_active Ceased
-
1973
- 1973-11-08 FR FR7339638A patent/FR2206307B1/fr not_active Expired
- 1973-11-09 JP JP48126152A patent/JPS5844669B2/ja not_active Expired
-
1975
- 1975-02-14 US US05/549,998 patent/US4062871A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158747A1 (de) * | 1984-03-30 | 1985-10-23 | Metallgesellschaft Ag | Verfahren zum periodischen Beheizen des Produktabscheiders einer Anlage zur Herstellung von Phthalsäureanhydrid oder Maleinsäureanhydrid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5029525A (enExample) | 1975-03-25 |
| FR2206307A1 (enExample) | 1974-06-07 |
| FR2206307B1 (enExample) | 1977-08-05 |
| JPS5844669B2 (ja) | 1983-10-04 |
| DE2255400A1 (de) | 1974-05-30 |
| US4062871A (en) | 1977-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8227 | New person/name/address of the applicant |
Free format text: DAVY MCKEE AG, 6000 FRANKFURT, DE |
|
| 8235 | Patent refused |