Feasibility of combined upflow anaerobic sludge blanket-aerobic membrane bioreactor system in treating purified terephthalic acid wastewater and polyimide membrane for biogas purification
Combined upflow anaerobic sludge blanket (UASB) and aerated MBR system was designed. Purified terephthalic acid wastewater was effectively treated by combined UASB-MBR. Combined UASB-MBR system showed 97% COD removal efficiency in PTA treatment. Polyimide membrane has high potential for biogas purification. Polyimide membrane showed high selectivity and permeability towards CO2 than CH4.