GreenShift gets new patent in corn oil recovery, lands license with Calgren
In New York, GreenShift announced that the United States Patent and Trademark Office issued another Notice of Allowance for GreenShift’s corn oil extraction processes, this time for pending patent application number 12/559,136 titled “A Method of Recovering Oil From Thin Stillage.”
The claims included in the new allowed patent cover all recovery of corn oil from thin stillage by “evaporating the thin stillage to create a concentrate having a moisture content of greater than 15% by weight and less than about 90% by weight; and centrifuging the concentrate to recover oil.”
GreenShift also announced a license agreement with Calgren Renewable Fuels providing for the use of GreenShift’s patented corn oil extraction technologies in Calgren’s 57 million gallon per year ethanol plant in Pixley, California. GreenShift and Calgren also agreed that GreenShift would provide engineering and construction services for the replacement of Calgren’s existing Tricanter-based corn oil extraction equipment with an Alfa Laval disc stack centrifuge in order to increase yields, reliability and uptime.
In addition, Calgren has agreed to install GreenShift’s first Method II Corn Oil Extraction System to extract corn oil from Calgren’s whole stillage. With Method I (thin stillage extraction) and Method II (whole stillage extraction). GreenShift stated that corn oil yields that could be as high as 1.33 pounds per bushel and having at least one advanced technology as described in the final rule for the expanded RFS2 published by the U.S. Environmental Protection Agency on December 21, 2010.
Category: Fuels
