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Removal of Chromium(VI) from Groundwater Using Oil Shale Ash Supported Nanoscaled Zero-valent Iron
Alternative TitleRemoval of Chromium(VI) from Groundwater Using Oil Shale Ash Supported Nanoscaled Zero-valent Iron
Cui Jian1; Wang Ende1; Hou Zhimin3; Zhou Rui3; Jiao Xinqian3
2018
Source PublicationCHEMICAL RESEARCH IN CHINESE UNIVERSITIES
ISSN1005-9040
Volume34Issue:4Pages:546-551
AbstractOil shale ash(OSA) supported nanoscaled zero-valent iron(OSA-nZVI) was used as a rapid and efficient reductant for Cr(VI) reduction. The optimal mass ratio of nZVI to OSA and the optimal dosage were explored. The effects of initial pH, reaction temperature, initial Cr(VI) concentration, and common cations and anions in groundwater on Cr(VI) reduction were determined in batch experiments. The results show that the optimum initial pH is 5.0. The reaction temperature has a positive effect on Cr(VI) reduction while the real groundwater has a negative effect. Additionally, 84.22% Cr(VI) was still reduced by 3 g/L OSA-nZVI(1:2)(mass ratio of OSA to Fe-0 was 1:2) within 120 min for 50 mg/L Cr(VI) under conditions of 10 degrees C and unadjusted pH.
Other AbstractOil shale ash(OSA) supported nanoscaled zero-valent iron(OSA-nZVI) was used as a rapid and efficient reductant for Cr(VI) reduction. The optimal mass ratio of nZVI to OSA and the optimal dosage were explored. The effects of initial pH, reaction temperature, initial Cr(VI) concentration, and common cations and anions in groundwater on Cr(VI) reduction were determined in batch experiments. The results show that the optimum initial pH is 5.0. The reaction temperature has a positive effect on Cr(VI) reduction while the real groundwater has a negative effect. Additionally, 84.22% Cr(VI) was still reduced by 3 g/L OSA-nZVI(l:2Xmass ratio of OSA to Fe~0 was 1:2) within 120 min for 50 mg/L Cr(VI) under conditions of 10 ℃ and unadjusted pH.
KeywordHEXAVALENT CHROMIUM AQUEOUS-SOLUTION WASTE-WATER NANOPARTICLES CR(VI) REMEDIATION ADSORPTION TRICHLOROETHYLENE DEGRADATION REACTIVITY Oil shale ash Nanoscaled zero-valent iron Chromium(VI) Groundwater
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:6309019
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/149727
Collection中国科学院金属研究所
Affiliation1.东北大学
2.中国科学院金属研究所
3.吉林大学
Recommended Citation
GB/T 7714
Cui Jian,Wang Ende,Hou Zhimin,et al. Removal of Chromium(VI) from Groundwater Using Oil Shale Ash Supported Nanoscaled Zero-valent Iron[J]. CHEMICAL RESEARCH IN CHINESE UNIVERSITIES,2018,34(4):546-551.
APA Cui Jian,Wang Ende,Hou Zhimin,Zhou Rui,&Jiao Xinqian.(2018).Removal of Chromium(VI) from Groundwater Using Oil Shale Ash Supported Nanoscaled Zero-valent Iron.CHEMICAL RESEARCH IN CHINESE UNIVERSITIES,34(4),546-551.
MLA Cui Jian,et al."Removal of Chromium(VI) from Groundwater Using Oil Shale Ash Supported Nanoscaled Zero-valent Iron".CHEMICAL RESEARCH IN CHINESE UNIVERSITIES 34.4(2018):546-551.
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