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题名: Transformation and utilization of slowly biodegradable organic matters in biological sewage treatment of anaerobic anoxic oxic systems
作者: Zhang, Q. H.; Jin, P. K.; Ngo, H. H.; Shi, X.; Guo, W. S.; Yang, S. J.; Wang, X. C.; Wang, X.; Dzakpasu, M.; Yang, W. N.; Yang, L.
刊名: BIORESOURCE TECHNOLOGY
出版日期: 2016-10
卷号: 218, 期号:0, 页码:53-61
关键词: Slowly biodegradable organic matters (SBOM) ; Carbon sources ; Anaerobic anoxic oxic (AAO) ; Dissolved organic matters (DOM)
DOI: 10.1016/j.biortech.2016.06.068
部门归属: 环境化学与生态毒理学国家重点实验室
英文摘要: This study examined the distribution of carbon sources in two anaerobic anoxic oxic (AAO) sewage treatment plants in Xi'an and investigated the transformation characteristics and utilization potential of slowly biodegradable organic matters (SBOM). Results indicated under anaerobic and aerobic conditions, SBOM could be transformed at a rate of 65% in 8 h into more readily biologically utilizable substrates such as volatile fatty acids (VFAs), polysaccharides and proteins. Additionally, non-biodegradable humus-type substances which are difficult to biodegrade and readily accumulate, were also generated. These products could be further hydrolyzed to aldehyde and ketone compounds and then transformed into substances with significant oxygen-containing functional groups and utilized subsequently. The molecular weights of proteinoid substances had a wide distribution and tended to decrease over time. Long hours of microbial reaction increased the proportion of micromolecular substances. This particular increase generated significant bioavailability, which can greatly improve the efficiency of nitrogen removal. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35972
Appears in Collections:环境化学与生态毒理学国家重点实验室_期刊论文

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Recommended Citation:
Zhang, Q. H.,Jin, P. K.,Ngo, H. H.,et al. Transformation and utilization of slowly biodegradable organic matters in biological sewage treatment of anaerobic anoxic oxic systems[J]. BIORESOURCE TECHNOLOGY,2016,218(0):53-61.
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