CS207795B2 - Method of making the dried terephtale acid - Google Patents
Method of making the dried terephtale acid Download PDFInfo
- Publication number
- CS207795B2 CS207795B2 CS397979A CS397979A CS207795B2 CS 207795 B2 CS207795 B2 CS 207795B2 CS 397979 A CS397979 A CS 397979A CS 397979 A CS397979 A CS 397979A CS 207795 B2 CS207795 B2 CS 207795B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- separation chamber
- acetic acid
- pressure
- terephthalic acid
- slurry
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000002253 acid Substances 0.000 title description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 133
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000000926 separation method Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 9
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000002609 medium Substances 0.000 description 22
- 239000007788 liquid Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000306 component Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012533 medium component Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 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
- C07C51/42—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53068260A JPS5811418B2 (ja) | 1978-06-08 | 1978-06-08 | テレフタル酸の乾燥方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS207795B2 true CS207795B2 (en) | 1981-08-31 |
Family
ID=13368598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS397979A CS207795B2 (en) | 1978-06-08 | 1979-06-08 | Method of making the dried terephtale acid |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5811418B2 (de) |
| CS (1) | CS207795B2 (de) |
| DD (1) | DD144258A5 (de) |
| DE (1) | DE2923382C2 (de) |
| GB (1) | GB2024810B (de) |
| SU (1) | SU1087072A3 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1289177B1 (it) * | 1997-01-17 | 1998-09-29 | Lonza Spa | Procedimento per il recupero di acidi policarbossilici |
| ES2178199T3 (es) * | 1997-04-10 | 2002-12-16 | Du Pont | Proceso mejorado para producir acidos carboxilicos cristalinos y aparato previsto a tal efecto. |
| US6972342B1 (en) * | 1997-04-10 | 2005-12-06 | Invista North America S.A R.L. | Method for producing crystalline carboxylic acids |
| AT504996B1 (de) | 2007-03-02 | 2009-03-15 | Andritz Tech & Asset Man Gmbh | Verfahren und vorrichtung zur trocknung von kristallinen carbonsäuren |
-
1978
- 1978-06-08 JP JP53068260A patent/JPS5811418B2/ja not_active Expired
-
1979
- 1979-06-07 SU SU792776761A patent/SU1087072A3/ru active
- 1979-06-08 DE DE19792923382 patent/DE2923382C2/de not_active Expired
- 1979-06-08 GB GB7920047A patent/GB2024810B/en not_active Expired
- 1979-06-08 DD DD21350079A patent/DD144258A5/de unknown
- 1979-06-08 CS CS397979A patent/CS207795B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2024810B (en) | 1982-09-22 |
| DE2923382A1 (de) | 1979-12-20 |
| GB2024810A (en) | 1980-01-16 |
| DE2923382C2 (de) | 1983-09-08 |
| JPS5811418B2 (ja) | 1983-03-02 |
| DD144258A5 (de) | 1980-10-08 |
| JPS54160331A (en) | 1979-12-19 |
| SU1087072A3 (ru) | 1984-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4219669A (en) | Method of treating mother liquor of reaction in terephthalic acid production | |
| EP1216083B1 (de) | Rückgewinnungsverfahren für flüchtige verbindungen aus feststoffenthaltenden wässrigen lösungen | |
| JPH07506383A (ja) | 重合体スラリーから炭化水素を除去する方法 | |
| JP2002060213A (ja) | クロロシラン合成の気体状反応混合物から金属塩化物を分離する方法および装置 | |
| JP2002542007A (ja) | スラリー化固体を濃縮するための方法および装置 | |
| CS207795B2 (en) | Method of making the dried terephtale acid | |
| CA2018380C (en) | Continuous process for the separation of partially water soluble component from a slurry | |
| KR101827229B1 (ko) | 테레프탈산의 회수를 위한 개선된 방법 | |
| KR20040106285A (ko) | 탄소질 재료 처리 방법 | |
| JP2001139514A (ja) | 芳香族ジカルボン酸の製造方法 | |
| US4230886A (en) | Method of obtaining dried terephthalic acid | |
| WO2018046169A1 (en) | Management of polymer fines in multimodal polyethylene production | |
| FI61892C (fi) | Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning | |
| JP3646131B2 (ja) | 有機性汚泥の処理方法 | |
| EP2619166B1 (de) | Verfahren zur reinigung von aromatischer dicarbonsäure | |
| US3426065A (en) | Combined sublimation-leaching process | |
| US5929255A (en) | Process for coproducing fumaric acid and maleic anhydride | |
| EP0100550B1 (de) | Methode zur Reinigung von Propylenpolymeren | |
| JPH0542459B2 (de) | ||
| KR830001189B1 (ko) | 테레프탈산의 건조방법 | |
| US5327660A (en) | Drum drying of acrylonitrile production wastes | |
| PL126371B1 (en) | Method of isolation of terephtalic acid | |
| CN101080375B (zh) | 通过引入热水并搅拌从设备中清除在回收nmp的方法中积聚的沉积物的方法 | |
| JP4889256B2 (ja) | グリコールの分離方法 | |
| CN121269800A (zh) | 粗四氯化钛提纯过程中的钒金属回收工艺 |