The highest concetnration of TVA reached 12,000rag/l in solid bed, the acid-and biogas-produeing periods lasted 25 and about 40 days respectively, average biogas production rate was 0.4m~3/m~3.day in summer.

• 固体床最高挥发酸浓度达12g/l；产酸期25天；后期产气约40天；夏季平均产气率为0.；4m~3/m~3·天。