Process for preparing bio- diesel oil by two-step catalysis of acid-containing fat |
Title： |
| Process for preparing bio- diesel oil by two-step catalysis of acid-containing fat |
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Application Number： |
200610057164 |
Application Date： |
2006/03/13 |
Announcement Date： |
2006/10/04 |
Pub. Date： |
2007/12/19 |
Publication Number： |
1840612 |
Announcement Number： |
100355860 |
Grant Date： |
2007-12-19 |
Granted Pub. Date： |
2007-12-19 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
C10G 3/00 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Liu Dehua, Li Lilin, Li Qiang, Du Wei |
Key Words： |
bio- diesel oil, two-step catalysis, acid-containing fat |
Abstract： |
The provided preparation method for bio-diesel by two-stage catalysis comprises: mixing acid-contained grease, methanol and H2SO4 as 100:15-50:0.5-2 to react in reactor at 40-80Deg adding BaCO3 to remove residual H2SO4 by filtering solid with NaOH or KOH as catalyst, adding methanol for further esterification keeping static for layering with top as coarse product for rectifying to obtain the target and bottom as mixture of glycerine and methyl. This invention has high conversion ratio and no waste release. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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