Characteristics, Process Parameters, and Inner Components of Anaerobic Bioreactors

BioMed Research International - Tập 2014 - Trang 1-10 - 2014
Awad Abdelgadir1,2, Xiaoguang Chen2, Jianshe Liu2, Xuehui Xie2, Jian Zhang2, Kai Zhang2, Heng Wang2, Na Liu2
1Industrial Research and Consultancy Center (IRCC), Khartoum 13314, Sudan
2State Environmental Protection Engineering Center for Pollution Control in Textile, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China

Tóm tắt

The anaerobic bioreactor applies the principles of biotechnology and microbiology, and nowadays it has been used widely in the wastewater treatment plants due to their high efficiency, low energy use, and green energy generation. Advantages and disadvantages of anaerobic process were shown, and three main characteristics of anaerobic bioreactor (AB), namely, inhomogeneous system, time instability, and space instability were also discussed in this work. For high efficiency of wastewater treatment, the process parameters of anaerobic digestion, such as temperature, pH, Hydraulic retention time (HRT), Organic Loading Rate (OLR), and sludge retention time (SRT) were introduced to take into account the optimum conditions for living, growth, and multiplication of bacteria. The inner components, which can improve SRT, and even enhance mass transfer, were also explained and have been divided into transverse inner components, longitudinal inner components, and biofilm-packing material. At last, the newly developed special inner components were discussed and found more efficient and productive.

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BioMed Research International

Tập 2014

1-10

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