Case
Ningxia Petrochemical Company Zero Emission Project
This project uses a process of "regulation pool + air flotation + primary biological treatment + secondary sedimentation tank + aeration biofilter + manganese sand filter + ozone oxidation + activated carbon filter + ultrafiltration + reverse osmosis." The concentrate from reverse osmosis undergoes "freeze evaporation crystallization + mother liquor drying" for salt separation, ensuring a zero-discharge system. In the dual-membrane system, the external pressure ultrafiltration column membrane module uses the Ademans AD-UF5-HR77 membrane product, while the reverse osmosis system uses the Ademans AD-RO-LP8040-FR (400) and AD-ZHP-8040HR membrane products. These operate in two sets, with a single-set design water production capacity of 100 m³/h.
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