Treatment of Pulping Wastewater by Aerobic Granular Sludge Reinforceed with Mixed-Culture Community

Abstract:

Pulping wastewater was further degraded with original aerobic sludge and reinforced aerobic sludge, respectively. The results showed that the UV-vis spectral signal of wastewater treated by reinforced sludge was more weaker than that of treated by original sludge, which indicated biodegrability of aerobic sludge was optimized after reinforcement. For original sludge, COD of wastewater was decreased from 629 mg/L to 203 mg/L, and chroma decreased from 118 C.U. to 91 C.U. COD of wastewater which treated by reinforced sludge was reduced to 146 mg/L, and chroma dropped to 72 C.U. Meanwhile, the reaction kinetics of aerobic microbial process was studied, and the growth rate equations of two kinds of sludge were established. Keywords: pulping wastewater; aerobic sludge; kinetics; bioaugmentation

• Periodical: Advanced Materials Research (Volumes 807-809)
• Pages: 1135-1139
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.807-809.1135
• Online since: September 2013
• Authors: Hong Lei Chen*, Gui Hua Yang, Jia Chuan Chen, Qin Wu, Yu Liu
• Keywords: Aerobic Sludge, Bioaugmentation, Kinetic, Pulping Wastewater

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