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Performance and Modeling of a Pilot-Scale Up-Flow Anaerobic Sludge Blanket (UASB) Treating Pharmaceutical Wastewater Containing Berberine

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Abstract:

A pilot-scale test was conducted with an up-flow anaerobic sludge blanket (UASB) treating pharmaceutical wastewater containing berberine. The aim of this study was to investigate the performance of UASB in the condition of a high chemical oxygen demand (COD) loading rate from 4.64 to 8.68 kg/m3d and a wide berberine concentration from 254 to 536 mg/L, in order to provide a reference for treating the similar pharmaceutical wastewater containing berberine. The results demonstrated that the UASB average percentage reduction in COD and berberine 68.14% and 57.39%, respectively. Granular sludge was formed during this process. In addition, a model, built on the back propagation neural network (BPNN) theory and linear regression techniques was developed for the simulation of the UASB system performance in the biodegradation of pharmaceutical wastewater containing berberine. The average errors of COD and berberine were -0.55% and 0.24%, respectively. The results indicated that this model built on the BPNN theory was well-fitted to the detected data, and was able to simulate and predict the removal of COD and berberine by UASB reactor.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

2625-2630

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.2625

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Online since:

May 2012

Authors:

Ya Dong Guo, Cui Ting Fu, Guo Rong Liu, Chun Shuang Liu

Keywords:

Berberine, Pharmaceutical Wastewater, Simulation Model, Upflow Anaerobic Sludge Blanket (UASB)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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