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.
Patent No.:
Date of Patent:
Aug. 29, 2017
Filed:
Feb. 09, 2016
Rongsheng Ruan, Arden Hills, MN (US);
Min Min Addy, Falcon Heights, MN (US);
Yong Nie, Beijing, CN;
Erik Andrew Anderson, Minneapolis, MN (US);
Chonghao BI, Beijing, CN;
Dong LI, Beijing, CN;
Ling Chen, Roseville, MN (US);
Rongsheng Ruan, Arden Hills, MN (US);
Min Min Addy, Falcon Heights, MN (US);
Yong Nie, Beijing, CN;
Erik Andrew Anderson, Minneapolis, MN (US);
Chonghao Bi, Beijing, CN;
Dong Li, Beijing, CN;
Ling Chen, Roseville, MN (US);
Regents of the University of Minnesota, Minneapolis, MN (US);
China Agricultural University, Beijing, CN;
Abstract
A method for production of a biodiesel is described herein. The method for production of a biodiesel comprises (a) separating solids from a waste oil composition to provide a clarified oil composition; (b) acidifying the clarified oil composition to produce an acidified oil composition including free fatty acids derived from the waste oil; (c) converting at least a portion of the free fatty acids in the acidified oil composition to glycerides to provide a glyceride composition; and (d) reacting at least a portion of the glycerides in the glyceride composition with methanol to form fatty acid methyl ester to provide a biodiesel composition.