SUTTERLIN William Rusty,LONG Ryan,GRAY, III Lester Trummer,SAWYER Hayden
申请号:
US201515537880
公开号:
US2018346831(A1)
申请日:
2015.12.18
申请国别(地区):
美国
年份:
2018
代理人:
摘要:
In alternative embodiments, provided are systems and processes for the preparation of high-quality biodiesel and high-quality glycerol from oils: e.g., natural oils: corn oil, distillers corn, linseed, flaxseed, cottonseed, rapeseed (canola), peanut, sunflower, safflower, coconut, palm, soybean, comprising a high percentage (e.g. >10%) of organic acids, e.g. free fatty acids. In alternative embodiments, provided are systems and processes for the production of biodiesel meeting or exceeding the specifications for B100 biodiesel set forth in ASTM Specification D6751-14, as well as a glycerol co-product meeting or exceeding the standards for U.S. Pharmacopeial Convention (USP)-grade glycerol from natural oil feedstocks comprising high percentages of organic acids. In alternative embodiments, natural oil feedstocks with high organic acid content are subjected to a transesterification reaction with an alcohol under conditions at or above the critical temperature and pressure of the alcohol in the absence of any ca