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Photolysis of polycyclic aromatic hydrocarbons on soil surfaces under UV irradiation
Alternative TitlePhotolysis of polycyclic aromatic hydrocarbons on soil surfaces under UV irradiation
Xu Chengbin1; Dong Dianbo2; Meng Xuelian1; Su Xin2; Zheng Xu1; Li Yaoyao1
2013
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES
ISSN1001-0742
Volume25Issue:3Pages:569-575
AbstractPhotolysis of some polycyclic aromatic hydrocarbons (PAHs) on soil surfaces may play an important role in the fate of PAHs in the environment. Photolysis of PAHs on soil surfaces under UV irradiation was investigated. The effects of oxygen, irradiation intensity and soil moisture on the degradation of the three PAHs were observed. The results showed that oxygen, soil moisture and irradiation intensity enhanced the photolysis of the three PAHs on soil surfaces. The degradation of the three PAHs on soil surfaces is related to their absorption spectra and the oxidation-half-wave potential. The photolysis of PAHs on soil surfaces in the presence of oxygen followed pseudo first-order kinetics. The photolysis half-lives ranged from 37.87 days for benzoapyrene to 58.73 days for phenanthrene. The results indicate that photolysis is a successful way to remediate PAHs-contaminated soils.
Other AbstractPhotolysis of some polycyclic aromatic hydrocarbons (PAHs) on soil surfaces may play an important role in the fate of PAHs in the environment.Photolysis of PAHs on soil surfaces under UV irradiation was investigated.The effects of oxygen,irradiation intensity and soil moisture on the degradation of the three PAHs were observed.The results showed that oxygen,soil moisture and irradiation intensity enhanced the photolysis of the three PAHs on soil surfaces.The degradation of the three PAHs on soil surfaces is related to their absorption spectra and the oxidation-half-wave potential.The photolysis of PAHs on soil surfaces in the presence of oxygen followed pseudo first-order kinetics.The photolysis half-lives ranged from 37.87 days for benzoapyrene to 58.73 days for phenanthrene.The results indicate that photolysis is a successful way to remediate PAHs-contaminated soils.
KeywordPAHS POLLUTION MOISTURE PHOTOCHEMISTRY BIODEGRADATION DEGRADATION POLLUTANTS TOXICITY SHANGHAI REGION photolysis soil surfaces polycyclic aromatic hydrocarbons UV irradiation
Indexed ByCSCD
Language英语
Funding Project[National Science Foundation for Young Scholars of China] ; [Open Foundation of Key Laboratory of Industrial Ecology and Environmental Engineering] ; [Liaoning Doctoral Funds] ; [Liaoning University Environment Institute Key Discipline Project]
CSCD IDCSCD:4776001
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/89775
Collection中国科学院金属研究所
Affiliation1.辽宁大学
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Xu Chengbin,Dong Dianbo,Meng Xuelian,et al. Photolysis of polycyclic aromatic hydrocarbons on soil surfaces under UV irradiation[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2013,25(3):569-575.
APA Xu Chengbin,Dong Dianbo,Meng Xuelian,Su Xin,Zheng Xu,&Li Yaoyao.(2013).Photolysis of polycyclic aromatic hydrocarbons on soil surfaces under UV irradiation.JOURNAL OF ENVIRONMENTAL SCIENCES,25(3),569-575.
MLA Xu Chengbin,et al."Photolysis of polycyclic aromatic hydrocarbons on soil surfaces under UV irradiation".JOURNAL OF ENVIRONMENTAL SCIENCES 25.3(2013):569-575.
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