3. Results and discussion
3.1. Raw material properties
The relative content of the main components of rice straw were determined before being used for the study and showed in Table 1.Restaurant waste includes uneaten food and food preparation leftovers from residences, commercial establishments such as restaurants, institutional sources like school cafeterias, and industrial sources like factory lunchrooms. As shown in Table 2, the RSW used in this study included water (81.2%), starch (3.8%), cellulose 1.6%), protein (4.2%), grease (3.4%) and impurities (0.2%).