CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Treatment of municipal sewage sludge by electron beam irradiation
Cao, CQ(曹长清); Wang, M(王敏)
2012
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume23Issue:1
AbstractIrradiation treatment of sewage sludge was carried out using an electron beam accelerator. The effects of irradiation dose, sludge water content and sludge thickness on the breakdown of sludge flocs, thus the formulation of soluble chemical oxygen demand (SCOD) and soluble total nitrogen (STN), and the reduction of MLSS and endogenous OUR, and so on, were investigated. It was observed that, with increased doses, the SCOD, STN and UV absorption intensity of the sludge supernatant increased rapidly with similar trends, and MLSS considerably decreased, all indicating that a large amount of the cell contents of sewage sludge were released by electron beam irradiation. The results of endogenous OUR also showed that a large number of microorganisms in sewage sludge were killed or deactivated. Zeta potential sludge became more positive with increased doses, implying that the dewatering performance of sewage sludge was not adversely affected. It was also found that the thickness of sludge was an operation parameter of great importance in the electron beam treatment of sewage sludge due to the relatively short penetration depth in water/sludge of the high-energy electrons.
Language英语
Funding Project应物所项目组
WOS IDWOS:000303971000006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13328
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Cao, CQ,Wang, M. Treatment of municipal sewage sludge by electron beam irradiation[J]. NUCLEAR SCIENCE AND TECHNIQUES,2012,23(1).
APA Cao, CQ,&Wang, M.(2012).Treatment of municipal sewage sludge by electron beam irradiation.NUCLEAR SCIENCE AND TECHNIQUES,23(1).
MLA Cao, CQ,et al."Treatment of municipal sewage sludge by electron beam irradiation".NUCLEAR SCIENCE AND TECHNIQUES 23.1(2012).
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