KR101431121B1 - 아세톤의 정제방법 - Google Patents
아세톤의 정제방법 Download PDFInfo
- Publication number
- KR101431121B1 KR101431121B1 KR1020110081763A KR20110081763A KR101431121B1 KR 101431121 B1 KR101431121 B1 KR 101431121B1 KR 1020110081763 A KR1020110081763 A KR 1020110081763A KR 20110081763 A KR20110081763 A KR 20110081763A KR 101431121 B1 KR101431121 B1 KR 101431121B1
- Authority
- KR
- South Korea
- Prior art keywords
- acetone
- methanol
- fraction
- distillation column
- cumene
- 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.)
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 title claims abstract description 220
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title abstract description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 153
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 claims abstract description 39
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004821 distillation Methods 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 238000000354 decomposition reaction Methods 0.000 claims description 10
- 125000002592 cumenyl group Chemical group C1(=C(C=CC=C1)*)C(C)C 0.000 claims description 5
- 239000012044 organic layer Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 229910021536 Zeolite Inorganic materials 0.000 abstract description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract description 3
- 239000010457 zeolite Substances 0.000 abstract description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 30
- 239000002994 raw material Substances 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 9
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 8
- 239000003729 cation exchange resin Substances 0.000 description 7
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 241000183024 Populus tremula Species 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XDTRNDKYILNOAP-UHFFFAOYSA-N phenol;propan-2-one Chemical compound CC(C)=O.OC1=CC=CC=C1 XDTRNDKYILNOAP-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- -1 aliphatic aldehyde Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/08—Acetone
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
본 발명의 아세톤의 정제방법에 따르면, 큐멘으로부터 페놀 및 아세톤을 제조하는 공정에서 아세톤 중의 메탄올을 효과적으로 제거할 수 있다. 또한 본 발명의 정제방법은 에너지 소비가 적으며 제올라이트 등을 이용한 추가적인 공정이 필요하지 않아 산업적으로 적용이 용이하다.
Description
20: 분해 반응기
30: 중화 장치
40: 페놀-아세톤 분리 컬럼
50: 제1 증류컬럼
60: 상 분리기
70: 제2 증류컬럼
3a: 혼합물 스트림
4a: 아세톤 분획
4b: 페놀 분획
5a: 아세톤
5b: 아세톤을 제외한 나머지 아세톤 분획
6a: 유기층
6b: 물층
Claims (6)
- 큐멘의 산화 및 분해에 의해 아세톤 분획 및 페놀 분획을 수득하는 단계;
상기 아세톤 분획을 제1 증류 컬럼으로 보내어 상부로 아세톤을 분리하고 하부로 아세톤을 제외한 나머지 아세톤 분획을 분리하는 단계;
상기 아세톤을 제외한 나머지 아세톤 분획을 상 분리기에 의해 물층과 유기층으로 분리하여, 상기 물층을 제2 증류 컬럼으로 보내는 단계; 및
상기 제2 증류 컬럼에서 상부로 메탄올을 분리하여 제거하는 단계를 포함하는 아세톤의 정제방법.
- 제1항에 있어서, 상기 제2 증류 컬럼은 상단의 온도가 80 내지 95℃이고, 하단의 온도가 100 내지 105℃인 아세톤의 정제방법.
- 제1항에 있어서, 상기 제2 증류 컬럼은 10 내지 25의 단을 포함하는 아세톤의 정제방법.
- 제1항에 있어서, 상기 제2 증류 컬럼에서 상기 아세톤 분획에 포함된 메탄올 중 30 내지 95%를 제거하는 아세톤의 정제방법.
- 제1항에 있어서, 상기 제1 증류 컬럼에서 상부로 분리된 아세톤은 30 내지 180ppm의 메탄올을 포함하는 아세톤의 정제방법.
- 제1항에 있어서, 상기 아세톤 분획은 아세톤, 물, 메탄올, 큐멘을 포함하는 아세톤의 정제방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110081763A KR101431121B1 (ko) | 2011-08-17 | 2011-08-17 | 아세톤의 정제방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110081763A KR101431121B1 (ko) | 2011-08-17 | 2011-08-17 | 아세톤의 정제방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20130019667A KR20130019667A (ko) | 2013-02-27 |
KR101431121B1 true KR101431121B1 (ko) | 2014-08-18 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110081763A Active KR101431121B1 (ko) | 2011-08-17 | 2011-08-17 | 아세톤의 정제방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101431121B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109790096A (zh) * | 2016-11-28 | 2019-05-21 | 株式会社Lg化学 | 甲醇、丙酮去除单元及含该单元的苯酚、双酚a生产系统 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101959467B1 (ko) | 2015-07-02 | 2019-07-02 | 주식회사 엘지화학 | 증류 장치 |
KR102288288B1 (ko) * | 2016-09-06 | 2021-08-11 | 주식회사 엘지화학 | 폴리카보네이트의 정제방법 |
EP3466915B1 (en) * | 2017-10-06 | 2019-11-27 | SABIC Global Technologies B.V. | Method of purifying acetone |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09124539A (ja) * | 1995-10-06 | 1997-05-13 | Enichem Spa | アセトンの精製方法 |
KR20100061821A (ko) * | 2007-08-29 | 2010-06-09 | 다우 글로벌 테크놀로지스 인크. | 비스페놀-a 제조 공정에서 재순환 스트림 중의 메탄올을 감소시키는 방법 |
-
2011
- 2011-08-17 KR KR1020110081763A patent/KR101431121B1/ko active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09124539A (ja) * | 1995-10-06 | 1997-05-13 | Enichem Spa | アセトンの精製方法 |
KR20100061821A (ko) * | 2007-08-29 | 2010-06-09 | 다우 글로벌 테크놀로지스 인크. | 비스페놀-a 제조 공정에서 재순환 스트림 중의 메탄올을 감소시키는 방법 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109790096A (zh) * | 2016-11-28 | 2019-05-21 | 株式会社Lg化学 | 甲醇、丙酮去除单元及含该单元的苯酚、双酚a生产系统 |
CN109790096B (zh) * | 2016-11-28 | 2022-03-15 | 株式会社Lg化学 | 甲醇、丙酮去除单元及含该单元的苯酚、双酚a生产系统 |
Also Published As
Publication number | Publication date |
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KR20130019667A (ko) | 2013-02-27 |
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