KR20070103201A - 아로마틱 디알데히드의 정제 방법, 및 이에 사용되는 정제장치 - Google Patents
아로마틱 디알데히드의 정제 방법, 및 이에 사용되는 정제장치 Download PDFInfo
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- KR20070103201A KR20070103201A KR1020060035007A KR20060035007A KR20070103201A KR 20070103201 A KR20070103201 A KR 20070103201A KR 1020060035007 A KR1020060035007 A KR 1020060035007A KR 20060035007 A KR20060035007 A KR 20060035007A KR 20070103201 A KR20070103201 A KR 20070103201A
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- aromatic dialdehyde
- aromatic
- sublimation
- sublimer
- dialdehyde
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
- C07C47/544—Diformyl benzenes; Alkylated derivatives thereof
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (11)
- 디메틸벤젠의 기상 산화 반응 생성물을 분별 승화하여 고순도의 아로마틱 디알데히드를 수득하는 승화 정제 방법.
- 제1항에 있어서, 상기 기상 산화 반응 생성물은 불순물과 아로마틱 디알데히드를 포함하는 고상의 혼합물인 승화 정제 방법.
- 제1항에 있어서, 상기 아로마틱 디알데히드의 정제방법은 상기 기상 산화반응 생성물로부터a) 아로마틱 디알데히드보다 휘발성이 좋은 고휘발성 불순물을 선택적으로 승화 또는 기화시키는 단계;b) 잔류 반응 생성물로부터 아로마틱 디알데히드를 선택적으로 승화 또는 기화시키는 단계;c) 상기 분별승화된 아로마틱 디알데히드를 응축시키는 단계를 포함하는 아로마틱 디알데히드의 정제방법.
- 제3항에 있어서, 상기 a) 단계, 또는 b) 단계의 분별승화 중 적어도 하나는 혼입기체(entrainer gas)를 사용하는 것인 아로마틱 디알데히드의 정제방법.
- 제3항에 있어서, 상기 a) 단계 내지 c) 단계는 연속식 공정으로 진행되는 것인 아로마틱 디알데히드의 정제방법.
- 제1항에 있어서, 상기 아로마틱 디알데히드의 정제방법은 상기 기상 산화반응 생성물로부터a) 아로마틱 디알데히드보다 휘발성이 좋은 고휘발성 불순물과 아로마틱 디알데히드를 함께 승화 또는 기화시키는 단계; 및b) 상기 고휘발성 불순물의 이슬점보다 높은 온도에서 아로마틱 디알데히드만 선택적으로 응축시키는 단계를 포함하는 아로마틱 디알데히드의 정제방법.
- 제6항에 있어서, 상기 a) 단계, 또는 b) 단계 중 적어도 하나는 혼입기체(entrainer gas)를 사용하는 것인 아로마틱 디알데히드의 정제방법.
- 제6항에 있어서, 상기 a) 단계, 및 b) 단계는 연속식 공정으로 진행되는 것인 아로마틱 디알데히드의 정제방법.
- 온도 및 압력 조절이 가능한 승화기, 및상기 승화기에 연결된 하나 이상의 응축기를 포함하는 아로마틱 디알데히드의 정제 장치.
- 제9항에 있어서, 상기 정제 장치는혼입기체(entrainer gas)를 승화기에 공급하기 위한 펌프, 및혼입기체를 가열하기 위한 히터를 더 포함하는 아로마틱 디알데히드의 비연속식 정제 장치.
- 제9항에 있어서, 상기 정제 장치는혼입기체(entrainer gas)를 승화기에 공급하기 위한 펌프,혼입기체를 가열하기 위한 히터,승화기에 연결된 하나 이상의 싸이클론,상기 싸이클론과 응축기 사이에 위치하는 필터를 더 포함하는 아로마틱 디알데히드의 연속식 승화 정제 장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060035007A KR100897335B1 (ko) | 2006-04-18 | 2006-04-18 | 아로마틱 디알데히드의 정제 방법, 및 이에 사용되는 정제장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060035007A KR100897335B1 (ko) | 2006-04-18 | 2006-04-18 | 아로마틱 디알데히드의 정제 방법, 및 이에 사용되는 정제장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070103201A true KR20070103201A (ko) | 2007-10-23 |
| KR100897335B1 KR100897335B1 (ko) | 2009-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060035007A Expired - Fee Related KR100897335B1 (ko) | 2006-04-18 | 2006-04-18 | 아로마틱 디알데히드의 정제 방법, 및 이에 사용되는 정제장치 |
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| Country | Link |
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| KR (1) | KR100897335B1 (ko) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511399A (en) | 1983-10-04 | 1985-04-16 | Westinghouse Electric Corp. | Control method for large scale batch reduction of zirconium tetrachloride |
| JPH03112940A (ja) * | 1989-09-26 | 1991-05-14 | Nkk Corp | (±)―4―ホルミル―α―アルキルベンジルアルコール類の製造方法 |
| KR100754499B1 (ko) * | 2005-05-10 | 2007-09-03 | 주식회사 엘지화학 | 아로마틱 디알데히드 분리 방법, 및 장치 |
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2006
- 2006-04-18 KR KR1020060035007A patent/KR100897335B1/ko not_active Expired - Fee Related
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| KR100897335B1 (ko) | 2009-05-15 |
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