Design of ventilation and deodorization systems for sludge drying workshop of underground sewage treatment plants

The difficulties, key points and countermeasures of odor treatment in the sludge drying workshop of underground sewage treatment plants are analysed. The design of the ventilation and deodorization system and the air conditioning system in the sludge drying workshop of the underground sewage treatment plants in Guangzhou is presented. The trial operation results show that the odor concentration in the sludge drying workshop has been effectively controlled, and the odor emission level is far higher than the current domestic standard.