JPS6132301B2 - - Google Patents
Info
- Publication number
- JPS6132301B2 JPS6132301B2 JP56154041A JP15404181A JPS6132301B2 JP S6132301 B2 JPS6132301 B2 JP S6132301B2 JP 56154041 A JP56154041 A JP 56154041A JP 15404181 A JP15404181 A JP 15404181A JP S6132301 B2 JPS6132301 B2 JP S6132301B2
- Authority
- JP
- Japan
- Prior art keywords
- crystallizer
- terephthalic acid
- solution
- carrier gas
- conduit
- 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 claims description 104
- 239000000243 solution Substances 0.000 claims description 74
- 239000012159 carrier gas Substances 0.000 claims description 37
- 239000002904 solvent Substances 0.000 claims description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 24
- 239000013078 crystal Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012047 saturated solution Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 239000012452 mother liquor Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052756 noble gas Inorganic materials 0.000 claims description 3
- 150000002835 noble gases Chemical class 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 3
- 238000002425 crystallisation Methods 0.000 description 18
- 230000008025 crystallization Effects 0.000 description 18
- 238000001704 evaporation Methods 0.000 description 16
- 230000008020 evaporation Effects 0.000 description 14
- 239000000047 product Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- RYRZSXJVEILFRR-UHFFFAOYSA-N 2,3-dimethylterephthalic acid Chemical compound CC1=C(C)C(C(O)=O)=CC=C1C(O)=O RYRZSXJVEILFRR-UHFFFAOYSA-N 0.000 description 1
- 206010051814 Eschar Diseases 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 231100000333 eschar Toxicity 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010900 secondary nucleation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0009—Crystallisation cooling by heat exchange by direct heat exchange with added cooling fluid
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803037045 DE3037045A1 (de) | 1980-10-01 | 1980-10-01 | Verfahren fuer die kristallisation schwerloeslicher stoffe und kristallisierapparat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5787802A JPS5787802A (en) | 1982-06-01 |
| JPS6132301B2 true JPS6132301B2 (de) | 1986-07-25 |
Family
ID=6113326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56154041A Granted JPS5787802A (en) | 1980-10-01 | 1981-09-30 | Method and apparatus for crystallizing insuluble substance |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5787802A (de) |
| BR (1) | BR8106296A (de) |
| DE (1) | DE3037045A1 (de) |
| FR (1) | FR2490968A1 (de) |
| IN (1) | IN158101B (de) |
| IT (1) | IT1169300B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4313101C1 (de) * | 1993-04-22 | 1994-08-11 | Hoechst Ag | Verfahren zur Trennung und Reinigung von Stoffen durch Schmelzkristallisation unter hohen Drücken |
| DE4313121C1 (de) * | 1993-04-22 | 1994-08-11 | Hoechst Ag | Verfahren zum Trennen und Reinigen von Stoffen durch Schmelzkristallisation |
| CN112023435A (zh) * | 2020-09-09 | 2020-12-04 | 肖文娟 | 一种固体碱催化剂加工冷却结晶装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920303A (de) * | 1972-06-19 | 1974-02-22 | ||
| JPS5049248A (de) * | 1973-08-20 | 1975-05-01 | ||
| JPS5234590A (en) * | 1975-09-12 | 1977-03-16 | Asahi Chemical Ind | Ascites treating filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2614035A (en) * | 1949-01-04 | 1952-10-14 | Phillips Petroleum Co | Evaporative crystallization process and apparatus therefor |
| DE2528611C3 (de) * | 1975-06-26 | 1981-09-17 | Bayer Ag, 5090 Leverkusen | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Kristallen |
-
1980
- 1980-10-01 DE DE19803037045 patent/DE3037045A1/de active Granted
-
1981
- 1981-09-28 IT IT49386/81A patent/IT1169300B/it active
- 1981-09-29 FR FR8118350A patent/FR2490968A1/fr active Granted
- 1981-09-30 JP JP56154041A patent/JPS5787802A/ja active Granted
- 1981-09-30 IN IN1095/CAL/81A patent/IN158101B/en unknown
- 1981-09-30 BR BR8106296A patent/BR8106296A/pt not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920303A (de) * | 1972-06-19 | 1974-02-22 | ||
| JPS5049248A (de) * | 1973-08-20 | 1975-05-01 | ||
| JPS5234590A (en) * | 1975-09-12 | 1977-03-16 | Asahi Chemical Ind | Ascites treating filter |
Also Published As
| Publication number | Publication date |
|---|---|
| IN158101B (de) | 1986-09-06 |
| DE3037045C2 (de) | 1987-02-26 |
| FR2490968B1 (de) | 1984-01-27 |
| DE3037045A1 (de) | 1982-04-15 |
| BR8106296A (pt) | 1982-06-22 |
| FR2490968A1 (fr) | 1982-04-02 |
| IT1169300B (it) | 1987-05-27 |
| IT8149386A0 (it) | 1981-09-28 |
| JPS5787802A (en) | 1982-06-01 |
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