Degradation-resistant wastewater treatment method

• Main Authors: ZHANG LINFANG, LI JIAHONG, ZHAO HUANRAN, LI SHUYAN, CAI HONGZHI, WU WENMING
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2024
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a refractory wastewater treatment method, which belongs to the technical field of wastewater treatment, and comprises the following steps: putting a filler into a moving bed bio-membrane reactor, simultaneously inputting and discharging a mixed solution of activated sludge and a nutrient solution, and keeping aeration for dynamic biofilm formation; the method comprises the following steps: mixing pretreated industrial wastewater and a nutrient solution as inflow water, adding the inflow water into a moving bed bio-membrane reactor, performing degradation after debugging, and discharging water; carrying out sludge-water separation on effluent through a sedimentation tank, discharging supernate, carrying out suction filtration and concentration on sludge at the bottom of the sedimentation tank, carrying out ultrasonic crushing, carrying out solid-liquid separation, putting solids obtained by solid-liquid separation into an aerobic tank of a moving bed bio-membrane reactor, removing heavy