[Ru(2,2′-bipy)3]3(PW12O40)2 and [Ru(2,2′-bipy)3]2(SiW12O40) were synthesized via chemical co-precipitation method using [Ru (2,2′-bipy) 3]Cl2 and polyoxometalates as reactants. The adsorption ability of absorbents was studied by removing RhB from aqueous solutions in different conditions such absorbent dose, initial dye and contact time. The RPW owns better adsorption ability than the RSI, with a high adsorbing rate of 99% for the RhB under the optimized conditions (10 mg/L, 100 mg, 30 min).
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The authors acknowledge with thanks the financial support of the National Natural Science Foundation of China (Grant No. 21601149) and Scientific Research Fund of Hunan Provincial Education Department, China (Grant No. 16B253), the Open Project Program of State Key Laboratory of Structural Chemistry, China (Grant No. No. 20150018) and Hunan 2011 Collaborative Innovation Center of Chemical Engineering & Technology with Environmental Benignity and Effective Resource Utilization. W. Cao acknowledge financial support from EU Region Development Foundation, and the Council of Oulu Region.
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Chen, S., Di, Y., Li, Y. et al. Removal of RhB From Aqueous Solutions by Two Polyoxometalates Adsorbents. J Inorg Organomet Polym 29, 1048–1055 (2019). https://doi.org/10.1007/s10904-018-1045-y
- Chemical coprecipitation method
- Porous materials