What are the advantages of high-temperature anaerobic digestion tanks
The high-temperature anaerobic digestion tank has several significant advantages in sewage treatment and sludge management, mainly including the following aspects:
1. Improve VSS decomposition rate
High temperature anaerobic digestion can significantly improve the degradation rate of volatile solids (VSS), usually reaching higher levels than traditional mesophilic digestion. This means that more organic matter can be processed within the same processing time, thereby improving overall processing efficiency
2. Smaller pool capacity
Due to the accelerated reaction rate under high temperature conditions, the volume requirement of the digestion tank can be reduced. This helps to save construction and operational costs, while also reducing the footprint
3. Better pathogen inactivation effect
High temperature environment can effectively inactivate pathogenic bacteria, reduce the pathogen content in sludge, and thus improve the effluent quality and safety. This is particularly important for the harmless treatment of sludge
4. Improve sludge dewatering performance
The dewatering performance of sludge treated by high-temperature anaerobic digestion is usually better than that of medium temperature digestion. This is because under high temperature conditions, the organic matter in the sludge is more effectively degraded, reducing the water content of the sludge and making the subsequent dewatering process more efficient
5. High efficiency in generating biogas
High temperature anaerobic digestion can improve the efficiency of biogas production. Due to the increased exposure of organic matter to unit microorganisms, gas production has significantly increased, providing a better foundation for energy recovery
6. Strong ability to withstand impact loads
The high-temperature anaerobic digestion system has strong shock resistance to changes in influent load, which makes it more stable in treating fluctuating wastewater
In summary, high-temperature anaerobic digestion tanks have shown many advantages in the field of sewage and sludge treatment, and are an important choice in modern environmental protection technology.