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化学工业与工程 2016, Vol. 33 Issue (4) :7-10,22    DOI: 10.13353/j.issn.1004.9533.20141093
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氧化钙吸附剂的制备及CO2吸附性能
范莎莎, 沈辉, 赵玉军, 王胜平, 马新宾
天津大学化工学院, 天津 300072
Preparation and Adsorption Capacity of Calcium-Based Sorbent
Fan Shasha, Shen Hui, Zhao Yujun, Wang Shengping, Ma Xinbin
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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摘要 

以水热法合成的碳球为模板,采用尿素水解法制备了氧化钙吸附剂,通过SEM对样品进行了表征分析,使用热重方法测定了吸附剂在600℃时的吸附容量及稳定性。探究了水热时间、改性条件和尿素水解温度对吸附性能的影响,结果表明,以水热6 h、不进行碱改性得到的碳球为模板,尿素水解温度为80℃时得到的吸附剂性能最优,初始吸附容量达到74%,稳定性良好,经历15个循环吸附容量仍能达到70%。

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范莎莎
沈辉
赵玉军
王胜平
马新宾
关键词氧化钙   碳球   二氧化碳   吸附     
Abstract

In this paper, the calcium-based sorbent was synthesized through the template method. The carbon sphere prepared by hydrothermal technique was selected as the template, followed by the hydrolysis of urea on the surface of the sphere. The morphology was characterized by scanning electron microscopy (SEM) and the cyclic adsorption performance of the sorbent at 600℃ was investigated by thermogravimetric analysis (TGA). The suitable hydrothermal time and the temperature for hydrolysis were 6 h and 80℃, respectively. The sorbent exhibited excellent performance with a high initial capacity of 74% and kept nearly unchanged for 15 cycles.

Keywordscalcium oxide;   carbon sphere;   carbon dioxide;   adsorption     
Received 2014-04-28;
Fund:

教育部新世纪优秀人才支持计划(NCET-13-0411)。

Corresponding Authors: 王胜平,E-mail:spwang@tju.edu.cn。     Email: spwang@tju.edu.cn
About author: 范莎莎(1989-),女,硕士研究生,现从事氧化钙吸附剂材料的研究。
引用本文:   
范莎莎, 沈辉, 赵玉军, 王胜平, 马新宾.氧化钙吸附剂的制备及CO2吸附性能[J].  化学工业与工程, 2016,33(4): 7-10,22
Fan Shasha, Shen Hui, Zhao Yujun, Wang Shengping, Ma Xinbin.Preparation and Adsorption Capacity of Calcium-Based Sorbent[J].  Chemcial Industry and Engineering, 2016,33(4): 7-10,22
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