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It is understood that the Licunhe Wastewater Treatment Plant is currently the largest wastewater treatment plant in Qingdao with a sewage treatment capacity of 170,000 tons per day. The large amount of dewatered sludge generated after the daily sewage treatment is treated in the dewatering room sludge system and then stored in open air in the plant area before being cleared and transported to the Jimo Daxin Sludge Landfill. During storage, it is not only easy to breed a large number of bacteria and mosquitoes, but also emits bad odors, seriously affecting the surrounding air environment.
The sewage sludge silo reconstruction project of the dewatering room at the Li Village River Sewage Treatment Plant with an investment of 7.92 million yuan will begin construction this month and will be put into use by the end of this year. At that time, the dewatered sludge will be directly sent into the sludge silos by special pipelines to ensure that the dewatered sludge is completely isolated from the outside during storage in the plant, thereby avoiding the generation of odorous gases and the leakage of residual sludge, and completely solving the dewatering pollution. Mud odor pollution to the surrounding environment.