ES395178A1 - Un procedimiento mejorado para producir acido tereftalico. - Google Patents
Un procedimiento mejorado para producir acido tereftalico.Info
- Publication number
- ES395178A1 ES395178A1 ES395178A ES395178A ES395178A1 ES 395178 A1 ES395178 A1 ES 395178A1 ES 395178 A ES395178 A ES 395178A ES 395178 A ES395178 A ES 395178A ES 395178 A1 ES395178 A1 ES 395178A1
- Authority
- ES
- Spain
- Prior art keywords
- reaction zone
- terephthalic acid
- zone
- steam
- translation
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 9
- 238000004508 fractional distillation Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-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
- 239000003054 catalyst Substances 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract 2
- 239000012452 mother liquor Substances 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/30—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
- C07C57/34—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings containing more than one carboxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45082017A JPS4924902B1 (es) | 1970-09-21 | 1970-09-21 | |
| JP11745870A JPS5414098B1 (es) | 1970-12-25 | 1970-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES395178A1 true ES395178A1 (es) | 1974-09-16 |
Family
ID=26423060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES395178A Expired ES395178A1 (es) | 1970-09-21 | 1971-09-17 | Un procedimiento mejorado para producir acido tereftalico. |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU451369B2 (es) |
| CS (1) | CS159290B2 (es) |
| ES (1) | ES395178A1 (es) |
| NO (1) | NO138766C (es) |
| SE (1) | SE393370B (es) |
| YU (1) | YU41805B (es) |
-
1971
- 1971-09-17 ES ES395178A patent/ES395178A1/es not_active Expired
- 1971-09-17 SE SE7111798A patent/SE393370B/xx unknown
- 1971-09-20 YU YU2374/71A patent/YU41805B/xx unknown
- 1971-09-20 NO NO3478/71A patent/NO138766C/no unknown
- 1971-09-20 AU AU33672/71A patent/AU451369B2/en not_active Expired
- 1971-09-21 CS CS670871A patent/CS159290B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO138766B (no) | 1978-07-31 |
| YU237471A (en) | 1982-02-28 |
| NO138766C (no) | 1978-11-15 |
| AU451369B2 (en) | 1974-08-08 |
| YU41805B (en) | 1988-02-29 |
| CS159290B2 (es) | 1974-12-27 |
| SE393370B (sv) | 1977-05-09 |
| AU3367271A (en) | 1973-03-29 |
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