In order to improve the pollutant reduction and regional sewage treatment capacity of Urumqi Hexi Sewage Treatment Plant,it is proposed to upgrade the current phase I project and expand the phase Ⅱ project.The phase Ⅰ of the standard improvement project adopts the original factory′s transformation plan of reducing vol-ume and improving quality,transforming the biochemical tank and adding high-speed air flotation process and denitrification deep bed filter process;the phase Ⅱ of the project is a fully underground double-layer capped construction form,adopting the improved AAO+MBR process,and is disinfected together with the effluent from the first phase of the project before being discharged,ultimately achieving stable total effluent standards.
fully undergroundsewage treatment plantupgrade and expand
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