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Regulation of aerobic granular sludge reformulation after granular sludge broken: Effect of poly aluminum chloride (PAC)
Liu, YJ (Liu, Yongjun)[ 1,2 ]; Liu, Z (Liu, Zhe)[ 1 ]; Wang, FK (Wang, Fukun)[ 1 ]; Chen, YP (Chen, Yiping)[ 2 ]; Kuschk, P (Kuschk, Peter)[ 3 ]; Wang, XC (Wang, Xiaochang)[ 1 ]
2014-04-15
发表期刊BIORESOURCE TECHNOLOGY
卷号158页码:201-208
文章类型期刊论文
摘要

The present study focuses on the effect of poly aluminum chloride (PAC) on the re-formation of aerobic granular sludge after its rupture. The morphological changes, physical characteristics such as SVI, mechanical strength and surface properties of aerobic granular sludge during the re-formation process of broken granules were investigated. Moreover, components (protein (PN), polysaccharides (PS)) and distributions (soluble, loosely-bound (LB), tightly-bound (TB)) of extracellular polymeric substances (EPS) in sludge flocs were taken into consideration. It was found that the effect of charge neutralization and bridging induced by PAC treatment improved the surface properties of sludge, the re-formed granules had a larger size, more compact structure and that the removal performance of pollutants after chemical coagulation had improved. The results of correlation analysis demonstrated that PN in EPS correlated well with the surface characteristics and settling ability of sludge flocs, and PAC treatment strengthened the influence, further accelerated the reformation of granular sludge.

关键词Aerobic Granular Sludge Re-formation Regulation Poly Aluminum Chloride (Pac) Physical–chemical Characteristics
DOI10.1016/j.biortech.2014.02.002
收录类别SCI ; EI
语种英语
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9757
专题生态环境研究室
通讯作者Liu, YJ (Liu, Yongjun)[ 1,2 ]
作者单位1.Xi’an University of Architecture and Technology, No. 13 Yanta Road, Xi’an 710055, China;
2.Institute of Earth Environment, Chinese Academy of Sciences, No. 10 Fenghui South Road, Xi’an 710075, China;
3.Helmholtz Centre for Environmental Research-UFZ, Permoserstr 15, D-04318 Leipzig, Germany
推荐引用方式
GB/T 7714
Liu, YJ ,Liu, Z ,Wang, FK ,et al. Regulation of aerobic granular sludge reformulation after granular sludge broken: Effect of poly aluminum chloride (PAC)[J]. BIORESOURCE TECHNOLOGY,2014,158:201-208.
APA Liu, YJ ,Liu, Z ,Wang, FK ,Chen, YP ,Kuschk, P ,&Wang, XC .(2014).Regulation of aerobic granular sludge reformulation after granular sludge broken: Effect of poly aluminum chloride (PAC).BIORESOURCE TECHNOLOGY,158,201-208.
MLA Liu, YJ ,et al."Regulation of aerobic granular sludge reformulation after granular sludge broken: Effect of poly aluminum chloride (PAC)".BIORESOURCE TECHNOLOGY 158(2014):201-208.
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