Gary R. Haefele - Littleton CO Peter A. Allen - Calistoga CA Gary L. Dunkel - Redwood City CA Paul C. Wegner - San Carlos CA
International Classification:
C07C 100
US Classification:
554 12
Abstract:
A method and apparatus for continuously removing oil from oil-bearing solids such as tar sands, vegetables or other solid materials using a solvent is provided. By providing a pressure differential between the exterior and interior of an oil extraction chamber, substantially oil free solids may be removed from the oil extraction chamber through a solids extraction channel without removing any substantial volume of solvent through the solids extraction channel.
Paul Wegner, president of the California Farmers Bureau Federation, said he doesn't quite buy that theory. Come fall, he says, when California is one of the only states producing seasonal crops such as melons, corn and peppers, prices should increase and affect what kinds of produce people buy at gr