KR910018332A - 시클로헥사논 및 시클로헥산올의 혼합물로부터 불순물의 제거 방법 - Google Patents
시클로헥사논 및 시클로헥산올의 혼합물로부터 불순물의 제거 방법 Download PDFInfo
- Publication number
- KR910018332A KR910018332A KR1019910005529A KR910005529A KR910018332A KR 910018332 A KR910018332 A KR 910018332A KR 1019910005529 A KR1019910005529 A KR 1019910005529A KR 910005529 A KR910005529 A KR 910005529A KR 910018332 A KR910018332 A KR 910018332A
- Authority
- KR
- South Korea
- Prior art keywords
- distillation column
- torr
- distillation
- upper pressure
- cyclohexanone
- Prior art date
Links
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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실행을 위한 실시양태를 나타낸 순서도이다. 제2도는 비교예 1에서의 실시양태를 나타내는 순서도이다.
Claims (9)
- 시클로헥산의 산화에 의해 제조된 시클로헥사논 및 시클로헥산올의 혼합물로 부터 불순물을 제거함에 있어서, (a) 시클로헥사논 및 시클로헥산올의 혼합물을 제1증류컬럼에 공급하여 저-비점 성분을 증류제거하고; (b) 제1증류컬럼의 하부액을 제2증류컬럼에 공급하여 시클로헥사논을 증류제거하고; (c) 제2증류컬럼의 하부액을 제3증류컬럼에 공급하여 주로 시클로 헥산올로 구성된 성분을 증류제거하고; (d) 제3증류컬럼의 증류액을 탈수소 반응대역을 거쳐 제1증류컬럼으로 순환시키는 것을 구성된 방법에 있어서, (e) 제1, 제2 및 제3증류컬럼의 상부 압력을 20∼400 토르로 유지하고; (f) 제2증류컬럼의 하부액의 일부를 상부 압력이 500∼2500 토르인 제4증류컬럼에 공급하여 저-비점 성분을 증류제거하고; (g) 제4증류컬럼의 증류액을 제1증류컬럼, 제2증류컬럼, 제3증류컬럼 및 탈수소 반등대역으로 구성된 군으로 부터 선택되는 적어도 하나의 단계로 순환시키고; (h) 제3 및 제4증류컬럼의 하부액을 순환계로 부터 제거하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 제1, 제2 및 제3증류컬럼의 상부압력이 순차적으로 저하되는 방법.
- 제1항에 있어서, 제1증류컬럼의 상부압력이 200∼400 토르, 제2증류컬럼의 상부압력이 50∼200 토르이고, 제3증류컬럼의 상부압력이 20∼100 토르인 방법.
- 제1항에 있어서, 상부온도가 70∼130℃인 방법.
- 제1항에 있어서, 제2증류컬럼의 하부액 0.1∼10%를 제4증류컬럼에 공급하는 방법.
- 제1항에 있어서, 제4증류컬럼의 증류액을 제3증류컬럼의 증류액과 함께 탈수소 반응대역에 공급하는 방법.
- 제1항에 있어서, 제4증류컬럼의 상부압력이 600∼1000토르인 방법.
- 제1항에 있어서, 제4증류컬럼이 상부온도가 150∼220℃인 방법.
- 제1항에 있어서, 탈수소 반응을 탈수소 반응대역에서 구리-함유 고정상 촉매를 사용하여 중기상으로 수행하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91639/90 | 1990-04-06 | ||
JP2091639A JPH06104637B2 (ja) | 1990-04-06 | 1990-04-06 | シクロヘキサノン及びシクロヘキサノールの混合物から不純物を除去する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910018332A true KR910018332A (ko) | 1991-11-30 |
KR0127674B1 KR0127674B1 (ko) | 1998-04-03 |
Family
ID=14032101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910005529A KR0127674B1 (ko) | 1990-04-06 | 1991-04-06 | 시클로헥사논 및 시클로헥산올의 혼합물로 부터 불순물의 제거방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5168983A (ko) |
EP (1) | EP0450498B1 (ko) |
JP (1) | JPH06104637B2 (ko) |
KR (1) | KR0127674B1 (ko) |
DE (1) | DE69106195T2 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970706249A (ko) | 1995-07-20 | 1997-11-03 | 미우라 아끼라 | 엡실론-카프로락탐의 제조방법(process for the preparation of epsilon-caprolactam) |
JP4451939B2 (ja) | 1999-02-19 | 2010-04-14 | ダイセル化学工業株式会社 | シクロアルカノンの製造方法 |
US6255533B1 (en) | 1999-11-09 | 2001-07-03 | Basf Corporation | Process for the recovery of cyclohexanone and cyclohexanol from cyclohexanone production distillation bottoms |
KR20020084746A (ko) * | 2001-05-02 | 2002-11-11 | 재원산업 주식회사 | 폐사이클로헥사논의 정제방법 |
FR2878847B1 (fr) * | 2004-12-07 | 2007-01-05 | Rhodia Chimie Sa | Procede de preparation de cyclohexanone |
JP2011506545A (ja) | 2007-12-20 | 2011-03-03 | ディーエスエム アイピー アセッツ ビー.ブイ. | 不純物の除去を伴うシクロヘキサノン生産プロセス |
SG187157A1 (en) | 2010-09-14 | 2013-02-28 | Exxonmobil Chem Patents Inc | Cyclohexanone compositions |
CN104909984B (zh) * | 2015-06-10 | 2016-08-17 | 中国天辰工程有限公司 | 一种从环己酮装置废液中回收环己醇的方法 |
WO2017019196A1 (en) | 2015-07-29 | 2017-02-02 | Exxonmobil Chemical Patents Inc. | Cyclohexanone compositions and processes for making such compositions |
US10259765B2 (en) | 2015-07-31 | 2019-04-16 | Exxonmobil Chemical Patents Inc. | Process for making cyclohexanone |
WO2017023429A1 (en) | 2015-07-31 | 2017-02-09 | Exxonmobil Chemical Patents Inc. | Process for making cyclohexanone |
CN105218342B (zh) * | 2015-10-15 | 2017-09-19 | 李国涛 | 一种环己醇脱氢生产环己酮的工艺方法 |
US10941099B2 (en) | 2017-06-28 | 2021-03-09 | Exxonmobil Chemical Patents Inc. | Cyclohexanone-containing products and processes for making the same |
US10752570B2 (en) | 2017-06-28 | 2020-08-25 | Exxonmobil Chemical Patents Inc. | Processes for making cyclohexanone |
WO2019005276A1 (en) | 2017-06-28 | 2019-01-03 | Exxonmobil Chemical Patents Inc. | PRODUCTS CONTAINING CYCLOHEXANONE AND METHODS OF MAKING THE SAME |
CN114949894A (zh) * | 2021-10-20 | 2022-08-30 | 中国石油化工股份有限公司 | 一种脱丁基环己醚装置及节能方法 |
CN114315522B (zh) * | 2021-12-31 | 2024-02-13 | 昌德新材科技股份有限公司 | 环己醇的提纯方法及环己酮的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2873296A (en) * | 1958-02-28 | 1959-02-10 | Allied Chem | Cyclohexanone |
DE1233858B (de) * | 1959-12-16 | 1967-02-09 | Basf Ag | Verfahren zur Gewinnung von reinem Cyclohexanon und Cyclohexanol |
BE790104A (fr) * | 1971-10-14 | 1973-04-13 | Stamicarbon | Procede continu d'obtention de cyclohexanone |
NL7904651A (nl) * | 1979-06-14 | 1980-12-16 | Stamicarbon | Werkwijze voor het verwijderen van alkalimetaalcarboxy- laten uit cycloalkanon en cycloalkanol bevattende meng- sels verkregen bij oxidatie van cycloalkanen. |
JPS6039656A (ja) * | 1983-08-12 | 1985-03-01 | Canon Inc | マイクロカプセル絶縁性非磁性トナ− |
-
1990
- 1990-04-06 JP JP2091639A patent/JPH06104637B2/ja not_active Expired - Fee Related
-
1991
- 1991-03-22 US US07/673,388 patent/US5168983A/en not_active Expired - Lifetime
- 1991-03-27 DE DE69106195T patent/DE69106195T2/de not_active Expired - Fee Related
- 1991-03-27 EP EP91104924A patent/EP0450498B1/en not_active Expired - Lifetime
- 1991-04-06 KR KR1019910005529A patent/KR0127674B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69106195D1 (de) | 1995-02-09 |
EP0450498A1 (en) | 1991-10-09 |
EP0450498B1 (en) | 1994-12-28 |
US5168983A (en) | 1992-12-08 |
JPH06104637B2 (ja) | 1994-12-21 |
DE69106195T2 (de) | 1995-08-10 |
KR0127674B1 (ko) | 1998-04-03 |
JPH03291246A (ja) | 1991-12-20 |
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