Based on the above background, the rice hull which was cooked first was used as initial material and, then lignin/SiO2 composite was prepared primary coprecipitation at hydrothermal condition.

• 本论文基于上述背景，以稻壳为原料，先蒸煮稻壳，然后在水热条件下采取共沉淀法原位制备木质素/SiO2复合材料。