It makes 60 - the 300 in the selection mannered null tar sand of the bitumen

摘要

PROBLEM TO BE SOLVED: To provide a method for extracting bitumen from oil sand more efficiently.;SOLUTION: The method for extracting bitumen of oil sand origin is characterized as follows. Hot water or water vapor is added to oil sand to be 60-300°C, ultrasonic waves having 150-800 kHz frequency are irradiated, and the bitumen in water separated from the oil sand is collected.;COPYRIGHT: (C)2012,JPO&INPIT