Abstract

The present disclosure provides a treatment method for complete harmless treatment of activated sludge and complete resource utilization of activated sludge's products, belonging to the technical field of activated sludge treatment. The treatment method provided by the present disclosure comprises ultrasonic treatment, microwave treatment and/or vapor treatment, solid-liquid separation, microbial mineralization treatment, acidification treatment, and other steps. In the present disclosure, various steps are collaborative with one another, can successfully and completely convert activated sludge into organic fertilizers, ferrite materials, industrial silica sol and other products, thereby achieving the complete utilization of activated sludge. Furthermore, the obtained products have high quality, and all meet related quality standards. The present disclosure can solve the problems of complete resource utilization of activated sludge that cannot be achieved in the prior art, poor economic benefits, complicated process and the like, and is suitable for industrial development.

IPC Classes  ?

• C02F 11/131 - Treatment of sludgeDevices therefor by de-watering, drying or thickening by heating using electromagnetic or ultrasonic waves
• C02F 11/00 - Treatment of sludgeDevices therefor
• C02F 101/20 - Heavy metals or heavy metal compounds