KR101520381B1 - 알파 메틸 스티렌의 제조방법 - Google Patents
알파 메틸 스티렌의 제조방법 Download PDFInfo
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- KR101520381B1 KR101520381B1 KR1020110092075A KR20110092075A KR101520381B1 KR 101520381 B1 KR101520381 B1 KR 101520381B1 KR 1020110092075 A KR1020110092075 A KR 1020110092075A KR 20110092075 A KR20110092075 A KR 20110092075A KR 101520381 B1 KR101520381 B1 KR 101520381B1
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- 238000000034 method Methods 0.000 title claims abstract description 89
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 title claims abstract description 68
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 claims abstract description 133
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- 239000010931 gold Substances 0.000 claims description 2
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- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
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- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
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- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
- C07C5/333—Catalytic processes
- C07C5/3335—Catalytic processes with metals
- C07C5/3337—Catalytic processes with metals of the platinum group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
- C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
- C07C15/46—Styrene; Ring-alkylated styrenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
- C07C39/04—Phenol
-
- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
- C07C5/333—Catalytic processes
- C07C5/3335—Catalytic processes with metals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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Abstract
Description
도 2는 본 발명의 알파 메틸 스티렌을 생산하기 위한 페놀 공정도를 간략히 도시한 것이다.
실시예1 | 실시예2 | 비교예1 | 비교예2 | |
촉매성분 | Pd/C | Pd/C | Pd/C | Co/Al/PO4 |
촉매양(g) | 1 | 1 | 1 | 1 |
수소 (cc/min) |
400 | 600 | 400 | 600 |
수소 공급방식 | 스파징 방법 | 스파징 방법 | 파이프 공급 |
파이프 공급 |
CHP (g/min) | 2.25 | 2.25 | 2.25 | 2.25 |
용매 (g/min) | 6.75 | 6.75 | 6.75 | 6.75 |
반응액 (g/min) | 9.0 | 9.0 | 9.0 | 9.0 |
CHP 농도(wt%) | 25 | 25 | 25 | 25 |
온도(℃) | 65 | 65 | 65 | 65 |
반응시간 (min) | 60 | 60 | 60 | 60 |
CHP 전환율(%) | 96.75 | 99.65 | 75.35 | 95.70 |
CHP 선택도(%) | 94.54 | 96.55 | 94.41 | 96.01 |
2, 4, 20, 50: 저장기 (receiver)
30: 촉매 수소화 반응기 (catalytic hydrogenation reactor)
3, 40: 스트리퍼 (stripper)
5, 60: 분해 반응기 (cleavage reactor)
6, 70: 중화 반응기 (neutralizer reactor)
7, 80: 증류(distillation) 장치
Claims (18)
- (a) 큐멘을 산화시켜 큐멘 하이드로퍼옥사이드 스트림을 제조하는 단계;
(b) 상기 큐멘 하이드로퍼옥사이드 스트림의 농축없이, 적어도 일부를 분리하여, 분리된 스트림에 대해서만 선택적으로 귀금속 촉매하에 수소화반응시켜 큐밀 알코올을 제조하는 단계; 및
(c) 상기 큐밀 알코올을 포함하는 반응물을 농축하고, 산촉매하에 탈수반응시켜 알파 메틸 스티렌을 포함하는 생성물을 제조하는 단계를 포함하며,
상기 수소화반응은 스파징 방법으로 큐멘 하이드로퍼옥사이드에 수소기체를 공급하여 미세 버블을 발생시켜 진행되며,
상기 귀금속 촉매는 금, 은, 백금, 팔라듐, 이리듐, 루테늄, 레늄, 로듐 및 오스뮴으로 이루어진 군에서 선택된 1종 이상을 포함하는, 알파 메틸 스티렌의 제조방법. - 제1항에 있어서, 상기 스파징 방법에서 수소 기체의 공급량은 큐멘 하이드로퍼옥사이드의 몰수 대비 1:1 내지 1:10의 몰비율을 나타내는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 스파징 방법은 1㎛ 내지 500㎛ 범위의 직경을 갖는 노즐을 구비한 스파징 장치를 이용하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 수소화 반응은 1 atm 내지 10 atm의 압력 및 20 내지 150℃의 온도 하에서, 큐멘 하이드로퍼옥사이드 대비 수소 기체의 몰비에 따라 1:1 내지 1:10의 수소 유량에서 0.2 내지 5시간 동안 수행하는 알파 메일 스티렌의 제조방법.
- 제1항에 있어서, 상기 (b)단계에서, 큐멘 하이드로퍼옥사이드 스트림은 5 내지 25 중량% 농도로 수소화 반응에 사용하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 (b)단계에서, 큐멘 하이드로퍼옥사이드 스트림 중 5 내지 50 중량%를 분리하여 수소화 반응에 사용하는 알파 메틸 스티렌의 제조방법.
- 삭제
- 제1항에 있어서, 상기 귀금속 촉매은 알루미나, 실리카, 클레이, 카본, 지르코니아, 티타니아, 메소포러스 분자체(mesoporous molecular sieve) 및 이들의 혼합물로 이루어진 군에서 선택되는 담체를 추가로 포함하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 귀금속 촉매는 큐멘 하이드로퍼옥사이드 스트림 100 중량부에 대하여 1 내지 15 중량부로 사용하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 수소화 반응의 선택도는 95% 이상인 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 큐멘 하이드로퍼옥사이드의 전환율은 95% 이상인 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 (a)단계 및 (b)단계의 큐멘 하이드로퍼옥사이드 스트림은 큐밀 알코올을 더 포함하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 산촉매는 액체 또는 고체 산촉매인 알파 메틸 스티렌의 제조방법.
- 제13항에 있어서, 상기 액체 산촉매가 염산, 황산 또는 질산이고, 고체 산 촉매가 6족 금속 산화물에 의해 개질된 4족 금속 산화물, 황산화된 전이금속 산화물, 세륨 옥사이드와 4족 금속 산화물의 혼합된 금속 산화물, 및 이들의 혼합물로 이루어진 군으로부터 선택되는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 (b)단계에서는 큐멘 하이드로퍼옥사이드 스트림의 일부에 대해 수소화 반응이 진행되고, 상기 (c)단계에서 상기 큐밀 알코올을 포함하는 반응물은 상기 수소화 반응을 거치지 않은 큐멘 하이드로퍼옥사이드 스트림을 더 포함하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 (c)단계에서 알파 메틸 스티렌을 포함하는 생성물은 페놀 및 아세톤을 더 포함하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 큐밀 알코올을 포함하는 반응물은 80 내지 82 중량%의 농도로 농축하여 탈수 반응에 사용하는 알파 메틸 스티렌의 제조방법.
- 제1항에 있어서, 상기 방법은 (c)단계 이후에, 상기 알파 메틸 스티렌을 포함하는 생성물을 중화하고 증류하는 단계를 더 포함하는 알파 메틸 스티렌의 제조방법.
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KR20060088178A (ko) * | 2005-02-01 | 2006-08-04 | (주) 프렉코 | 전기전자제품용 키패드 |
KR20100084311A (ko) * | 2009-01-16 | 2010-07-26 | 주식회사 엘지화학 | 올레핀으로부터의 알코올을 제조하는 시스템 |
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