METHOD FOR TREATING YEAST WASTE LIQUID

摘要

PROBLEM TO BE SOLVED: To provide a method for treating more efficiently and in more higher grade yeast waste liquid by further improving and developing a double phase type methane fermentation treatment which is traditionally known. SOLUTION: In a method wherein yeast waste liquid is treated by a double phase type methane fermentation treatment containing liquefaction treatment and gasification treatment, oxidization treatment is carried out before the double phase type methane fermentation treatment.