Abstract
The possible use of low-grade phosphorus-containing iron ore (LGPIO ), a raw and wasted industrial solid material as an adsorbent to remove Cu (II ) ion from wastewater , was investigated. Studies were carried out as a function of initial pH value, adsorption time, initial Cu (II ) ion concentration, adsorption temperature and LGPIO dosage. The results show that the Cu (II ) ion removal efficiency exceeds 99.65% and Cu (II ) ion concentration is less than 0.30 mg/L under the conditions of pH value 6.1, temperature 25 °C, adsorption time 30 min, initial Cu (II ) ion concentration 100 mg/L and adsorbent dosage 10 g/L. After Cu (II ) ion removal reaction, the Cu (II ) ion concentrations completely accord with the requirement of national discharge standard of water pollutants for iron and steel industry (GB 13456-2012) (TCu(II ) = 0.5 mg/L) in China. Therefore, it can be concluded that LGPIO is a promising low-cost adsorbent which is suitable for the removal of Cu (II ) ion from wastewater .
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Acknowledgements
This research was financially supported by the Scientific and Technological Research Program of Chongqing Municipal Education Commission (Grant No. KJQN201801507). This work was also financially supported by the National Natural Science Foundation of China (Grant Nos. 51504051, 51174246 and 51574053) and Chongqing Research Program of Basic Research and Frontier Technology (Grant No. cstc2015jcyjA90001).
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© 2019 The Minerals, Metals & Materials Society
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Yuan, X., Zhou, D., Xia, W., Huang, Q. (2019). Low-Grade Phosphorus-Containing Iron Ore for the Removal of Cu(II) Ion from Wastewater. In: Jiang, T., et al. 10th International Symposium on High-Temperature Metallurgical Processing. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05955-2_66
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DOI: https://doi.org/10.1007/978-3-030-05955-2_66
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