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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
Source PublicationBIORESOURCE TECHNOLOGY
Volume158Pages:201-208
Subtype期刊论文
Abstract

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.

KeywordAerobic Granular Sludge Re-formation Regulation Poly Aluminum Chloride (Pac) Physical–chemical Characteristics
DOI10.1016/j.biortech.2014.02.002
Indexed BySCI ; EI
Language英语
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9757
Collection生态环境研究室
Corresponding AuthorLiu, YJ (Liu, Yongjun)[ 1,2 ]
Affiliation1.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
Recommended Citation
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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