NDLI: Reductive transformation of p-nitrotoluene by a new iron-fly ash packing.

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Reductive transformation of p-nitrotoluene by a new iron-fly ash packing.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yu, Baizhen Jin, Ruofei Liu, Guangfei Zhou, Jiti
Description	Author Affiliation: Yu B ( Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China. Electronic address: yubaizhen0902@163.com.); Jin R ( Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China. Electronic address: jruofei@dlut.educn.); Liu G ( Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.); Zhou J ( Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.)
Abstract	A new iron-fly ash packing was studied for reductive transformation of p-nitrotoluene. The packing was made of iron, fly ash and kaolin with the mass ratio of 36:7:2. A reactor was designed to investigate the long-term performance of the packing. The results showed that the reduction of p-nitrotoluene increased with decreasing pH, because the reduction potential of reaction increased with the concentration of H(+). The pH was one of the key factors impacting the reductive transformation of p-nitrotoluene. Comparing iron-activated carbon packing with the new iron-fly ash packing, the reduction efficiencies were respectively 76.61% and 75.36% after 20days. The reduction efficiency for both was around 50% at 40days. It was evident that these two kinds of packing had no significant difference in their capability for p-nitrotoluene reductive transformation. Compared with iron-activated carbon, the new iron-fly ash packing had obvious advantages in terms of manufacturing costs and environmental pollution degradation. This study showed that the new iron-fly ash packing had good performance in reductive transformation of nitrotoluene compounds.
File Format	HTM / HTML
ISSN	10010742
Volume Number	37
Journal	Journal of Environmental Sciences
Language	English
Publisher	Elsevier
Publisher Date	2015-11-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Health Coal Ash Chemistry Environmental Pollutants Iron Toluene Analogs & Derivatives Hydrogen-ion Concentration Kaolin Kinetics Oxidation-reduction Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Medicine Environmental Engineering

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