FR2097727A5 - Phthalic acid a nhydride precipitator - with cylindrical housing and - cage of tubes - Google Patents
Phthalic acid a nhydride precipitator - with cylindrical housing and - cage of tubesInfo
- Publication number
- FR2097727A5 FR2097727A5 FR7108422A FR7108422A FR2097727A5 FR 2097727 A5 FR2097727 A5 FR 2097727A5 FR 7108422 A FR7108422 A FR 7108422A FR 7108422 A FR7108422 A FR 7108422A FR 2097727 A5 FR2097727 A5 FR 2097727A5
- Authority
- FR
- France
- Prior art keywords
- tubes
- tube plate
- inlet
- phthalic acid
- nhydride
- 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.)
- Expired
Links
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 title 2
- 239000012716 precipitator Substances 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 3
- 239000012809 cooling fluid Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N phthalic anhydride Chemical compound C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 230000008646 thermal stress Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702036946 DE2036946A1 (enExample) | 1970-07-25 | 1970-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2097727A5 true FR2097727A5 (en) | 1972-03-03 |
Family
ID=5777857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7108422A Expired FR2097727A5 (en) | 1970-07-25 | 1971-03-11 | Phthalic acid a nhydride precipitator - with cylindrical housing and - cage of tubes |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2036946A1 (enExample) |
| FR (1) | FR2097727A5 (enExample) |
-
1970
- 1970-07-25 DE DE19702036946 patent/DE2036946A1/de active Pending
-
1971
- 1971-03-11 FR FR7108422A patent/FR2097727A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2036946A1 (enExample) | 1971-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |