The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 15, 2021

Filed:

Jan. 28, 2014
Applicants:

Tsinghua University, Beijing, CN;

Beijing Cenway Bio-energy Technology Co., Ltd, Beijing, CN;

Inventors:

Dehua Liu, Beijing, CN;

Wei Du, Beijing, CN;

Luole Zhu, Hunan, CN;

Jianchun Yang, Hunan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 7/64 (2006.01); C12N 9/20 (2006.01);
U.S. Cl.
CPC ...
C12P 7/649 (2013.01); C12N 9/20 (2013.01); Y02E 50/10 (2013.01);
Abstract

Provided in the present invention is a method for improving the yield of enzymatic preparation of biodiesel from greases, comprising: during enzymatic reaction of short-chain alcohols with greases to prepare biodiesel, introducing online dehydration steps, which lead the volatile gases in the enzyme reactor to enter into the low-temperature absorption tank, and the dehydrated gases flow back into the enzyme reactor. The formation of gas-circulation can constantly bring the moisture inside the enzyme reactor out.


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