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现代化工  2020, Vol. 40 Issue (11): 139-143    DOI: 10.16606/j.cnki.issn0253-4320.2020.11.029
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
煤焦油加氢废钼催化剂中回收钼的实验研究
何如意, 栗达, 杨昆鹏, 杨忠凯, 李涛, 任保增
郑州大学化工学院, 河南 郑州 450001
Experimental study on recovery of Mo from spent molybdenum-based catalyst for hydrogenation of coal tar
HE Ru-yi, LI Da, YANG Kun-peng, YANG Zhong-kai, LI Tao, REN Bao-zeng
School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
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摘要 为了最大化地回收废钼催化剂、解决废催化剂的处置问题及减少矿物资源的开采,采用Na2CO3焙烧-水浸法回收废钼催化剂。利用X射线能谱分析、电感耦合等离子体发射光谱分析、火焰原子吸收光谱分析和X射线衍射分析对样品进行表征,保持水浸过程变量不变,对焙烧过程的焙烧温度、Na2CO3质量和焙烧时间等变量进行优化,并对不同条件下的XRD谱图进行分析。优化后的工艺条件为:焙烧温度为700℃、Na2CO3质量为2 g、焙烧时间为80 min,此条件下钼的回收率可达到90.79%。
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何如意
栗达
杨昆鹏
杨忠凯
李涛
任保增
关键词:  废钼催化剂  焙烧  水浸  钼浸取  回收    
Abstract: In order to maximize the recovery of spent Mo-based catalyst,solve the disposal problem of spent catalyst and reduce the mining of mineral resources,Na2CO3 roasting-water leaching method is used to recover spent Mo catalyst.Spent Mo-based catalyst samples are measured by electronic dispersive spectrometer,inductively coupled plasma atomic emission spectrometer,flame atomic absorption spectroscopy and X-ray diffractometer.Three operating parameters such as roasting temperature,Na2CO3 amount and roasting time are optimized in Na2CO3 roasting process while water leaching parameters remain unchanged,and XRD patterns are analyzed at different operating conditions.The optimized conditions are obtained as follows:the roasting temperature maintains at 700℃,the dosage of Na2CO3 is 2 g and the roasting time is 80 min.Under these optimum conditions,Mo recovery rate reaches 90.79%.
Key words:  spent Mo-based catalyst    roasting    water leaching    leaching Mo    recovery
收稿日期:  2020-01-10      修回日期:  2020-09-07          
ZTFLH:  TQ016  
基金资助: 河南省科技项目(182102210002);河南省高等学校重点科研项目(19A530004)
通讯作者:  李涛(1982-),男,博士,副教授,硕士生导师,主要从事绿色化工技术及化工热力学等方面的研究,通讯联系人,litao912@zzu.edu.cn。    E-mail:  litao912@zzu.edu.cn
作者简介:  何如意(1994-),男,硕士研究生,主要从事绿色化工技术方面的研究,1499214777@qq.com
引用本文:    
何如意, 栗达, 杨昆鹏, 杨忠凯, 李涛, 任保增. 煤焦油加氢废钼催化剂中回收钼的实验研究[J]. 现代化工, 2020, 40(11): 139-143.
HE Ru-yi, LI Da, YANG Kun-peng, YANG Zhong-kai, LI Tao, REN Bao-zeng. Experimental study on recovery of Mo from spent molybdenum-based catalyst for hydrogenation of coal tar. Modern Chemical Industry, 2020, 40(11): 139-143.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2020.11.029  或          https://www.xdhg.com.cn/CN/Y2020/V40/I11/139
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