Research on the Current Situation and Solutions of Industrial Wastewater Treatment in a Chemical Plant
This article analyzes the sources and characteristics of industrial wastewater in current chemical plants,and divides coal chemical wastewater into two categories:organic waste water and saline wastewater.For saline wastewater,depending on the different salt content,"pretreatment+double membrane method"treatment process,"pretreatment+membrane concentration"treatment process,and"natural/mechanical evaporation"treatment process can be adopted.For organic wastewater,a combined treatment process of"pretreatment+biochemical treatment+deepening treatment"can be adopted.Based on the different characteristics of coal chemical wastewater,corresponding wastewater treatment strategies have been adopted to achieve efficient and energy-saving treatment of coal chemical wastewater.
wastewater treatmentmembrane treatmentbiological fluidized beddenitrification and phosphorus removal
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