DE2142195A1 - - Google Patents
Info
- Publication number
- DE2142195A1 DE2142195A1 DE19712142195 DE2142195A DE2142195A1 DE 2142195 A1 DE2142195 A1 DE 2142195A1 DE 19712142195 DE19712142195 DE 19712142195 DE 2142195 A DE2142195 A DE 2142195A DE 2142195 A1 DE2142195 A1 DE 2142195A1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- condensation
- maleic anhydride
- gases
- space
- 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.)
- Pending
Links
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 23
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 21
- 238000009833 condensation Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 239000012495 reaction gas Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 10
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 10
- 206010039509 Scab Diseases 0.000 description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 8
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 8
- 239000011976 maleic acid Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005755 formation reaction Methods 0.000 description 7
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 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
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0081—Feeding the steam or the vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0012—Vertical tubes
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1271470A CH533591A (de) | 1970-08-25 | 1970-08-25 | Verfahren zur Gewinnung von Maleinsäureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2142195A1 true DE2142195A1 (enrdf_load_stackoverflow) | 1972-03-02 |
Family
ID=4385696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712142195 Pending DE2142195A1 (enrdf_load_stackoverflow) | 1970-08-25 | 1971-08-23 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT311308B (enrdf_load_stackoverflow) |
| BE (1) | BE771509A (enrdf_load_stackoverflow) |
| CH (1) | CH533591A (enrdf_load_stackoverflow) |
| DE (1) | DE2142195A1 (enrdf_load_stackoverflow) |
| ES (1) | ES394443A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2106043A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1356280A (enrdf_load_stackoverflow) |
| IT (1) | IT941667B (enrdf_load_stackoverflow) |
| NL (1) | NL7111195A (enrdf_load_stackoverflow) |
| ZA (1) | ZA715686B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1091678A (en) * | 1977-06-24 | 1980-12-16 | Chevron Research And Technology Company | Process for recovering maleic anhydride by condensation |
-
1970
- 1970-08-25 CH CH1271470A patent/CH533591A/de not_active IP Right Cessation
-
1971
- 1971-08-07 IT IT27320/71A patent/IT941667B/it active
- 1971-08-13 NL NL7111195A patent/NL7111195A/xx not_active Application Discontinuation
- 1971-08-19 BE BE771509A patent/BE771509A/xx unknown
- 1971-08-23 DE DE19712142195 patent/DE2142195A1/de active Pending
- 1971-08-23 ES ES394443A patent/ES394443A1/es not_active Expired
- 1971-08-24 GB GB3969271A patent/GB1356280A/en not_active Expired
- 1971-08-24 AT AT741371A patent/AT311308B/de not_active IP Right Cessation
- 1971-08-25 ZA ZA715686A patent/ZA715686B/xx unknown
- 1971-08-25 FR FR7130894A patent/FR2106043A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES394443A1 (es) | 1974-03-01 |
| CH533591A (de) | 1973-02-15 |
| BE771509A (fr) | 1971-12-31 |
| FR2106043A5 (enrdf_load_stackoverflow) | 1972-04-28 |
| AT311308B (de) | 1973-11-12 |
| IT941667B (it) | 1973-03-10 |
| ZA715686B (en) | 1972-04-26 |
| NL7111195A (enrdf_load_stackoverflow) | 1972-02-29 |
| GB1356280A (en) | 1974-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHN | Withdrawal |