KR20050107322A - 고 순도 펜타에리스리톨 제조방법 - Google Patents
고 순도 펜타에리스리톨 제조방법 Download PDFInfo
- Publication number
- KR20050107322A KR20050107322A KR1020050094174A KR20050094174A KR20050107322A KR 20050107322 A KR20050107322 A KR 20050107322A KR 1020050094174 A KR1020050094174 A KR 1020050094174A KR 20050094174 A KR20050094174 A KR 20050094174A KR 20050107322 A KR20050107322 A KR 20050107322A
- Authority
- KR
- South Korea
- Prior art keywords
- crystals
- pentaerythritol
- high purity
- size
- monopentaerythritol
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/24—Tetrahydroxylic alcohols, e.g. pentaerythritol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 일차적으로 증기히터(3)로 섭씨 90도로 가열하면서 증발농축결정기(1)에서 교반기(2)로 교반시킴으로써 완전히 용해시킨다. 완전 용해시킨 후 증발농축결정기(1)에서 증기히터(3)로 계속 농축속도를 조절하면서 증발 농축을 실시하여 결정을 생성시킨다. 이렇게 생성된 결정현탁액을 섭씨 70∼90도의 고온상태로 유지하면서 원심분리기(4)로 보내 모노펜타에리스리톨 결정과 현탁성 부산물인 디펜타에리스리톨 및 트리펜타에리스리톨을 분리한다. 분리된 모노펜타에리스리톨 결정을 열풍건조기(5)로 건조시킨 다음 분리체(6)에서 일차스크린(7)을 통과하면서 10Mesh이상 크기의 결정을 가려내고 이차스크린(8)에서 30Mesh 이하 크기의 결정을 분리하여 10~30Mesh크기의 결정만을 회수하므로서 우리가 원하는 고 순도 펜타에리스리톨을 제품으로 회수한다. 따라서 증발농축에 의한 결정화로 고 순도의 펜타에리스리톨 결정을 생산하여 3단 분리체로 정교히 중간크기만을 분리함으로써 99.5%이상의 고순도의 펜타에리스리톨을 제조하는 방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050094174A KR100716541B1 (ko) | 2005-10-05 | 2005-10-05 | 고 순도 펜타에리스리톨 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050094174A KR100716541B1 (ko) | 2005-10-05 | 2005-10-05 | 고 순도 펜타에리스리톨 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050107322A true KR20050107322A (ko) | 2005-11-11 |
KR100716541B1 KR100716541B1 (ko) | 2007-05-10 |
Family
ID=37283922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050094174A KR100716541B1 (ko) | 2005-10-05 | 2005-10-05 | 고 순도 펜타에리스리톨 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100716541B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010038915A1 (en) * | 2008-10-02 | 2010-04-08 | Wonjin Heavy Industries Co., Ltd. | Method of manufacturing high-purity pentaerythritol |
KR101087217B1 (ko) * | 2008-10-02 | 2011-11-29 | 한국요업주식회사 | 고 순도 펜타에리스리톨 제조방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2978514A (en) | 1957-12-09 | 1961-04-04 | Canadian Chemical Company Ltd | Separation of pentaerythritol and dipentaerythritol from solution |
KR100546078B1 (ko) * | 2004-05-13 | 2006-01-24 | 한국화학연구원 | 결정화를 이용한 모노펜타에리스리톨의 분리ㆍ정제방법 |
-
2005
- 2005-10-05 KR KR1020050094174A patent/KR100716541B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100716541B1 (ko) | 2007-05-10 |
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