IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Poly aluminum chloride (PAC) enhanced formation of aerobic granules:Coupling process between physicochemical–biochemical effects
Liu,Z(Liu,Zhe)[1,3]; Liu,YJ(Liu,Yongjun)[1,2]; Kuschk,P(Kuschk,Peter)[3]; Wang,JX(Wang,Jiaxuan)[1]; Chen,Y(Chen,Yi)[4]; Wang,XC(Wang,Xiaochang)[1]
2016
Source PublicationChemical Engineering Journal
Volume284Pages:1127-1135
Subtype期刊论文
Abstract

Transforming conventional flocculent sludge to aerobic granular sludge is drawing increasing global interest in a quest for an efficient and innovative technology in wastewater treatment. However, long start-up time and low granule stability are the main challenging issues for its application. In this study, long-term and short-term PAC feeding strategies were applied in parallel to enhance the sludge granulation and with the aim to figure out the temporal effect of PAC during the whole process. Nevertheless, both of them identified to allow a rapid start-up formation of aerobic granules with better performances in physicochemical characteristics. More extracellular polymeric substances (EPS) were secreted in all PAC-fed reactors, especially for polysaccharides. By using enzymatic hydrolysis, factors which account for the flocculating ability and stability of granules were identified. Notably, the correlation between them was also revealed. Based on these findings, dosage of PAC played a positive role mainly during the start-up period (first 15 days) of the aerobic granules formation, extending its dosing time made no significant sense. The granules formed under this condition were the result of physicochemical–bio chemical effects coupling process.

KeywordAerobic granular sludge Enhanced formation Poly aluminum chloride (PAC) Extracellular polymeric substances (EPS) Start-up Correlation
DOI10.1016/j.cej.2015.09.061
Indexed BySCI
Language英语
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10833
Collection黄土与第四纪地质国家重点实验室(2010~)
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;
4.Department of Landscape Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, 16521, Czech Republic
Recommended Citation
GB/T 7714
Liu,Z(Liu,Zhe)[1,3],Liu,YJ(Liu,Yongjun)[1,2],Kuschk,P(Kuschk,Peter)[3],等. Poly aluminum chloride (PAC) enhanced formation of aerobic granules:Coupling process between physicochemical–biochemical effects[J]. Chemical Engineering Journal,2016,284:1127-1135.
APA Liu,Z,Liu,YJ,Kuschk,P,Wang,JX,Chen,Y,&Wang,XC.(2016).Poly aluminum chloride (PAC) enhanced formation of aerobic granules:Coupling process between physicochemical–biochemical effects.Chemical Engineering Journal,284,1127-1135.
MLA Liu,Z,et al."Poly aluminum chloride (PAC) enhanced formation of aerobic granules:Coupling process between physicochemical–biochemical effects".Chemical Engineering Journal 284(2016):1127-1135.
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