Aerobic granulation for methylene blue biodegradation in a sequencing batch reactor
2011
Ma, Deng-Yue | Wang, Xin-Hua | Song, Chao | Wang, Shu-Guang | Fan, Mao-Hong | Li, Xiao Ming
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 93%, respectively. Specific MB biodegradation rates followed the Haldane model and the associated kinetic parameters were as follows: Vₘₐₓ=184.15mgL⁻¹h⁻¹, Kₛ=209.96mgL⁻¹, and Kᵢ=21.23mgL⁻¹. The aerobic granules proved to be a feasible and effective way to degrade MB-containing wastewater.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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