|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||8th International Symposium on High Temperature Metallurgical Processing
||E-38: Removal of Cd(II) Ion from Aqueous Solution by Adsorption on Wasted Low Grade Phosphorus-containing Iron Ore
||Xiaoli Yuan, Wentang Xia, Juan An, Xiaoyan Xiang, Xuejiao Zhou, Jianguo Yin, Wenqiang Yang
|On-Site Speaker (Planned)
Low grade phosphorus-containing iron ore (LGPIO), a raw and wasted industrial solid material was used as an adsorbent to remove Cd(II) ion from wastewater. The effects of initial pH value, adsorptive time, initial Cd(II) ion concentration, adsorptive temperature and LGPIO dosage on the Cd(II) ion removal efficiency were studied. The results show that the Cd(II) ion removal efficiencies exceed 99.81% under the conditions of pH value 6, temperature 20oC, adsorptive time 60 min, initial Cd(II) ion concentration 50 mg/L, particle size 0.074~0.15 mm, adsorbent dosage 50 g/L and stirring speed 290 r/min. After Cd(II) ion removal reaction, the Cd(II) ion concentrations completely accord with the requirement of national discharge standard of water pollutants for cadmium and zinc industry(GB 20466-2010) (TCd(II)=0.1mg/L) in China. Therefore, it can be concluded that LGPIO is a new low-cost adsorbent which is suitable for the adsorption of Cd(II) ion from wastewater.
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