发明名称 |
PURIFICATION OF ACETIC ACID FROM WOOD ACETYLATION PROCESS |
摘要 |
A method of purifying acetic acid containing terpene and terpenoid impurities, includes: (a) supplying acetic acid containing terpene or terpenoid impurities and water to a distillation column; (b) azeotropically removing terpene or terpenoid impurities from the mixture of acetic acid and water supplied to the column as distillate; and (c) withdrawing a product stream from the column comprising acetic acid purified of terpene or terpenoid impurities. The method is particularly effective for purifying acetic acid recovered from a wood purification process.
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申请公布号 |
US2009247788(A1) |
申请公布日期 |
2009.10.01 |
申请号 |
US20080079452 |
申请日期 |
2008.03.27 |
申请人 |
WARNER R JAY;MEILCHEN MELCHIOR A;STREB MICHAEL O;POWELL NATHAN K;SOELLNER ROLF |
发明人 |
WARNER R. JAY;MEILCHEN MELCHIOR A.;STREB MICHAEL O.;POWELL NATHAN K.;SOELLNER ROLF |
分类号 |
C07C51/46 |
主分类号 |
C07C51/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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