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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
发表期刊CHEMICAL ENGINEERING JOURNAL
卷号250页码:319-325
文章类型期刊论文
摘要

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.

关键词Aerobic Granule Sludge Poly Aluminum Chloride Granules Characteristics Extracellular Polymeric Substances
DOI10.1016/j.cej.2014.04.025
收录类别SCI ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9758
专题生态环境研究室
通讯作者Liu, YJ (Liu, Yongjun)[ 1,2 ]
作者单位1.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
推荐引用方式
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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