Method for producing 1,3-propylene glycol through using glycerin of by-product from biologic diesel oil |
Title： |
| Method for producing 1,3-propylene glycol through using glycerin of by-product from biologic diesel oil |
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Application Number： |
200510011867 |
Application Date： |
2005/06/03 |
Announcement Date： |
2005/11/16 |
Pub. Date： |
2007/07/18 |
Publication Number： |
1696297 |
Announcement Number： |
1327001 |
Grant Date： |
2007-7-18 |
Granted Pub. Date： |
2007-7-18 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
C12P 7/18, C12R 1/22 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Hao Jian, Lin Rihui, Liu Dehua, Liu Hongjuan |
Key Words： |
biologic diesel oil, by-product, glycerin, 1,3-propylene glycol, producing method |
Abstract： |
A process for preparing 1,3-propanediol from the glycerine as the by-product of biologic diesel oil includes preparing the seed culture medium containing said glycerine, inoculating bacterial spawn, culturing to obtain seed liquid, adding it to the fermentative culture medium containing said glycerine, fermenting while adding said glycerine or the mixture of glycerine and glucose, regulating pH value, desalting, distilling and vacuum rectifying. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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