GB1078660A - Steam sublimation of terephthalic acid - Google Patents
Steam sublimation of terephthalic acidInfo
- Publication number
- GB1078660A GB1078660A GB5303565A GB5303565A GB1078660A GB 1078660 A GB1078660 A GB 1078660A GB 5303565 A GB5303565 A GB 5303565A GB 5303565 A GB5303565 A GB 5303565A GB 1078660 A GB1078660 A GB 1078660A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stream
- acid
- condenser
- steam
- terephthalic acid
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 16
- 238000000859 sublimation Methods 0.000 title abstract 3
- 230000008022 sublimation Effects 0.000 title abstract 3
- 239000002253 acid Substances 0.000 abstract 8
- 239000002245 particle Substances 0.000 abstract 4
- 229920006395 saturated elastomer Polymers 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 abstract 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000007792 gaseous phase Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 230000008016 vaporization Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41848264A | 1964-12-15 | 1964-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1078660A true GB1078660A (en) | 1967-08-09 |
Family
ID=23658285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5303565A Expired GB1078660A (en) | 1964-12-15 | 1965-12-14 | Steam sublimation of terephthalic acid |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE673809A (enrdf_load_stackoverflow) |
| CH (1) | CH470336A (enrdf_load_stackoverflow) |
| DE (1) | DE1493132C3 (enrdf_load_stackoverflow) |
| FR (1) | FR1497466A (enrdf_load_stackoverflow) |
| GB (1) | GB1078660A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646987A (zh) * | 2019-01-10 | 2019-04-19 | 合肥欧莱迪光电技术有限公司 | 一种连续进出料高真空有机小分子提纯专用设备 |
-
1965
- 1965-12-14 GB GB5303565A patent/GB1078660A/en not_active Expired
- 1965-12-15 FR FR42461A patent/FR1497466A/fr not_active Expired
- 1965-12-15 DE DE19651493132 patent/DE1493132C3/de not_active Expired
- 1965-12-15 BE BE673809A patent/BE673809A/xx unknown
- 1965-12-15 CH CH1731565A patent/CH470336A/de not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646987A (zh) * | 2019-01-10 | 2019-04-19 | 合肥欧莱迪光电技术有限公司 | 一种连续进出料高真空有机小分子提纯专用设备 |
| CN109646987B (zh) * | 2019-01-10 | 2024-03-26 | 合肥百思智能装备有限公司 | 一种连续进出料高真空有机小分子提纯专用设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1493132C3 (de) | 1973-12-13 |
| FR1497466A (fr) | 1967-10-13 |
| DE1493132A1 (de) | 1969-05-14 |
| DE1493132B2 (de) | 1973-05-17 |
| BE673809A (enrdf_load_stackoverflow) | 1966-06-15 |
| CH470336A (de) | 1969-03-31 |
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