BG27881A3 - Method of cobalt regenerating from destilation waste products by the dimethyltereptalate production - Google Patents
Method of cobalt regenerating from destilation waste products by the dimethyltereptalate productionInfo
- Publication number
- BG27881A3 BG27881A3 BG021725A BG2172572A BG27881A3 BG 27881 A3 BG27881 A3 BG 27881A3 BG 021725 A BG021725 A BG 021725A BG 2172572 A BG2172572 A BG 2172572A BG 27881 A3 BG27881 A3 BG 27881A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- cobalt
- production
- regenerating
- waste products
- dimethyltereptalate
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 229910017052 cobalt Inorganic materials 0.000 title abstract 3
- 239000010941 cobalt Substances 0.000 title abstract 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000001172 regenerating effect Effects 0.000 title abstract 2
- 239000002699 waste material Substances 0.000 title abstract 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 2
- -1 aliphatic monocarboxylic acids Chemical class 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15127471A PL70344B1 (fr) | 1971-10-28 | 1971-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG27881A3 true BG27881A3 (en) | 1980-01-15 |
Family
ID=19956062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG021725A BG27881A3 (en) | 1971-10-28 | 1972-10-26 | Method of cobalt regenerating from destilation waste products by the dimethyltereptalate production |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG27881A3 (fr) |
| CS (1) | CS168009B2 (fr) |
| DE (1) | DE2249605B2 (fr) |
| PL (1) | PL70344B1 (fr) |
| RO (1) | RO63832A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609634A (en) * | 1980-03-31 | 1986-09-02 | American Hoechst Corporation | High efficiency extraction method for recovering oxidation catalyst material from dimethyl terephthalate esterified oxidate residue and the like |
| DE3045332C2 (de) * | 1980-12-02 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß |
| US4459365A (en) * | 1981-05-29 | 1984-07-10 | Mitsubishi Gas Chemical Company, Inc. | Method of recovering a catalytic metal |
-
1971
- 1971-10-28 PL PL15127471A patent/PL70344B1/xx unknown
-
1972
- 1972-10-10 DE DE19722249605 patent/DE2249605B2/de not_active Withdrawn
- 1972-10-20 RO RO7200072586A patent/RO63832A/fr unknown
- 1972-10-26 BG BG021725A patent/BG27881A3/xx unknown
- 1972-10-27 CS CS7236A patent/CS168009B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO63832A (fr) | 1978-12-15 |
| DE2249605A1 (de) | 1973-05-10 |
| PL70344B1 (fr) | 1974-02-28 |
| DE2249605B2 (de) | 1977-02-03 |
| CS168009B2 (fr) | 1976-05-28 |
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