%0 Journal Article
%T 生物质电厂飞灰吸附脱Pb<sup>2+</sup>性能及动力学研究<br>Adsorption and Kinetic Characteristics of Pb<sup>2+</sup> Removal by Fly Ash from Biomass Power
%A 王体朋
%A 杨森
%A 陈忠源
%A 刘慧
%A 佟敏
%J Hans Journal of Chemical Engineering and Technology
%P 19-24
%@ 2161-8852
%D 2021
%I Hans Publishing
%R 10.12677/HJCET.2021.111003
%X 本文研究了生物质电厂飞灰对溶液中Pb离子的吸附特性，并对吸附动力学进行了分析。结果显示：飞灰对Pb离子具有较好的脱除能力；随着Pb<sup>2+</sup>浓度由0.100 ppm增加20.000 ppm，在15℃条件下，Pb的脱除率由97%降低到49.6%；在25℃条件下，Pb的脱除率由100%降低到50%；在35℃条件下，Pb的脱除率由100%降低到55.6%。当Pb离子的浓度较高时，升高温度对提高飞灰脱除能力的影响有限。飞灰除铅的吸附动力学过程符合伪二级动力学速率方程。<br />
Adsorption characteristics and kinetic of Pb<sup>2+</sup> removal by fly ash from biomass power plant were studied in the paper. The results indicated a good capacity of the fly ash to Pb<sup>2+</sup> removal. As the Pb<sup>2+</sup> concentration increased from 0.100 ppm to 20.000 ppm, the removal rate of Pb<sup>2+</sup> decreased from 97% to 49.6% at 15？C; and it decreased from 100% to 50% at 25？C; at 35？C, the removal rate of Pb<sup>2+</sup> was reduced from 100% to 55.6%. When the Pb<sup>2+</sup> had a higher concentration, enhancing temperature had limited impact on the removal capacity of fly ash. The Pb<sup>2+</sup> removal process by the fly ash accorded with the pseudo-second-order kinetic model.
%K 生物质电厂飞灰，吸附动力学，吸附性能，吸附脱Pb<sup>2+</sup><br>Fly Ash from Biomass Power Plant
%K Adsorption Kinetics
%K Adsorption
%K Pb<sup>2+</sup> Removal
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=39693