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Citation: WANG Xiaoqin, ZHANG Xiao, YU Ying, YU Xin. Recycling Iodine in Waste Liquid from Chemical Reaction Rate and Equilibrium Experiment[J]. University Chemistry, ;2018, 33(12): 71-75. doi: 10.3866/PKU.DXHX201805044 shu

Recycling Iodine in Waste Liquid from Chemical Reaction Rate and Equilibrium Experiment

College of Science, China University of Petroleum, Beijing 102249, P. R. China

Received Date: 29 May 2018

In this paper, the recovery of iodine effluent in chemical reaction rate and equilibrium experiment was studied. From the analysis, it could be found that the presence of iodine in the wastewater was relatively simple after three months and there was no I^-. A sublimation method could be chosen directly to recycle the iodine after the pretreatment of the wastewater. The recycling method had simple steps and was easy to operate. It involved less equipment, is low cost, and more environmental friendly. The recovery rate of the obtained iodine element was 96.1% and the purity reached 98.9%. It can be used as a teaching experiment or interest experiment to promote applications.
- Green chemistry,
- Chemical reaction rate,
- Wastewater containing iodine,
- Recovery of iodine
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