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Study on the process of aerobic granule sludge rapid formation by using the poly aluminum chloride (PAC)
Liu, Z (Liu, Zhe)[ 1 ]; Liu, YJ (Liu, Yongjun)[ 1,2 ]; Zhang, AN (Zhang, Aining)[ 1 ]; Zhang, C (Zhang, Chi)[ 1 ]; Wang, XC (Wang, Xiaochang)[ 1 ]
2014-08-15
Source PublicationCHEMICAL ENGINEERING JOURNAL
Volume250Pages:319-325
Subtype期刊论文
Abstract

Two sequencing batch reactors (SBRs) were concurrently operated to investigate the effect of PAC augmentation on aerobic sludge granulation. The result showed that dosing 500 mg/L PAC in R1 could create a strengthening process for sludge granulation, the sludge granulation time significantly decreased from 17 days to 7 days, and the mean diameter of granules in R1 was 3.2 mm after the granulation, which was consistently larger than that (2.7 mm) in R2 (control). PAC-fed granules showed better performance in the terms of settling property, compactness, mechanical strength, and higher extracellular polysaccharide content was also found. Due to the granules cultivated in R1 had more biomass, more substrate was degraded in one cycle. However, for chemical oxygen demand (COD) and ammonia-nitrogen removal efficiency, no significant difference had been discovered between the two kinds of granules. The results demonstrated that PAC enhanced the sludge granulation process in the sequencing batch reactor.

KeywordAerobic Granule Sludge Poly Aluminum Chloride Granules Characteristics Extracellular Polymeric Substances
DOI10.1016/j.cej.2014.04.025
Indexed BySCI ; EI
Language英语
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9758
Collection生态环境研究室
Corresponding AuthorLiu, YJ (Liu, Yongjun)[ 1,2 ]
Affiliation1.Key Lab of Northwest Water Resource, Ecology and Environment, Ministry of Education, 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
Recommended Citation
GB/T 7714
Liu, Z ,Liu, YJ ,Zhang, AN ,et al. Study on the process of aerobic granule sludge rapid formation by using the poly aluminum chloride (PAC)[J]. CHEMICAL ENGINEERING JOURNAL,2014,250:319-325.
APA Liu, Z ,Liu, YJ ,Zhang, AN ,Zhang, C ,&Wang, XC .(2014).Study on the process of aerobic granule sludge rapid formation by using the poly aluminum chloride (PAC).CHEMICAL ENGINEERING JOURNAL,250,319-325.
MLA Liu, Z ,et al."Study on the process of aerobic granule sludge rapid formation by using the poly aluminum chloride (PAC)".CHEMICAL ENGINEERING JOURNAL 250(2014):319-325.
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