According to Taiwan's Executive Yuan statistics, the food industry wastewater is 180,000 ton/per year in 2013. If not properly
handled these high organic concentration of wastewater, it will
discharge large amount of pollutants into rivers caused serious
water pollution. Hence, solving the wastewater problems are vital
issues to the environment. Rice straw is one of the common and
abundant agricultural wastes which can be converted to sugars
(hydrolyzate) through the hydrolysis process in Asia