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Original Articles

Removing Arsenic from Coal under Ultrasonic and Microwave Radiation: The Influence of Processing Parameter

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Pages 1016-1026 | Published online: 23 Apr 2008
 

Abstract

Arsenic is one of the trace elements in coal that we are most concerned about because of its toxicity and environmental persistence. Poisoning is endemic in China and is widespread and locally very severe, which is receiving increased attention throughout the world. In this study, an oxidation method was applied for removing arsenic from two Chinese coals (Yima and Datong) under ultrasonic and microwave radiation. There are many processing parameters that impact the effect of removing arsenic from coal: power of ultrasonic, time in ultrasonic, time in microwave radiation, and the concentration of coal, and these were considered with several levels in this article.

Acknowledgments

We are grateful for the financial support from the National Basic Research Program of China (2005CB221203) and the Program for Changjiang Scholars and Innovative Research Team in University (IRT0517).

Notes

∗Calculated by difference.

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