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Aerobic granules to treat wastewater containing methylene blue (MB) were successfully developed in a sequencing batch reactor (SBR) using activated sludge as inoculum. After cultivation for 87days, stable aerobic granules were obtained with a clearly defined shape and a diameters ranging from 2 to 4mm. After granulation, the removal efficiencies of MB and chemical oxygen demand (COD) reached 56% and...
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