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Electrochemical Behavior of Manganese Oxide Ores Using Coke Wastewater in Sulfuric Acid Solution
Kang, JX; Feng, YL; Li, HR; Du, ZW; Deng, XY; Wang, HJ; Kang, Jinxing; Feng, Yali; Li, Haoran; Du, Zhuwei; Deng, Xiangyi; Wang, Hongjun
2019
Source PublicationENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
ISSN1944-7442
Volume38Issue:3
AbstractThe coke wastewater reductive leaching of pyrolusite ore in sulfuric acid solution was studied. This study was performed in two stages. First, the influence of tractable and refractory pollutants of coke wastewater on manganese leaching was determined. It was shown that the leaching efficiency of manganese is very sensitive to the decomposition of intractable pollutants. With the decrease of 1.85 g/L CODcr value of those contaminants, the extraction ratio of manganese increased more than 16% and exceeded 97.3%. Second, the corrosion behavior of pyrolusite ore in simulative wastewater solution was investigated using cyclic voltammograms, polarization curves, and Mott-Schottky curves. The reduction of manganese oxide ore by recalcitrant organic compounds involves two coursesthe inducing conversion of manganese oxide to MnOOH intermediate with hydrogen and free electron, which is from the oxidation of easily oxidized substances and the oxidation of persistent organic matter by this derivative. As a consequence, the latter process leads to the increment in manganese extraction efficiency. Coke wastewater is a promising reducing agent for MnO2. Likewise, it could be clarified and recycling. (c) 2019 American Institute of Chemical Engineers Environ Prog, 38:e13039, 2019
Keywordcorrosion behavior LEACHING MANGANESE intermediate OXIDATION pyrolusite ore REMOVAL refractory pollutants GLUCOSE polarization curves MNO2 DIOXIDE
SubtypeArticle
DOI10.1002/ep.13039
WOS IDWOS:000469045900020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28211
Collection中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Kang, JX,Feng, YL,Li, HR,et al. Electrochemical Behavior of Manganese Oxide Ores Using Coke Wastewater in Sulfuric Acid Solution[J]. ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY,2019,38(3).
APA Kang, JX.,Feng, YL.,Li, HR.,Du, ZW.,Deng, XY.,...&Wang, Hongjun.(2019).Electrochemical Behavior of Manganese Oxide Ores Using Coke Wastewater in Sulfuric Acid Solution.ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY,38(3).
MLA Kang, JX,et al."Electrochemical Behavior of Manganese Oxide Ores Using Coke Wastewater in Sulfuric Acid Solution".ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY 38.3(2019).
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