富镍镧镍合金催化二苄基甲苯加氢性能研究

冯小阳; 蒋利军; 李志念; 武媛方; 叶建华; 王琦

doi:10.19912/j.0254-0096.tynxb.2022-0479

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (6) : 382-388. DOI: 10.19912/j.0254-0096.tynxb.2022-0479

富镍镧镍合金催化二苄基甲苯加氢性能研究

冯小阳^1,2, 蒋利军^1,3, 李志念^1,2, 武媛方^1,2, 叶建华^1,3, 王琦^1,2

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HYDROGENATION PERFORMANCE OF DIBENZYLTOLUENE CATALYZED BY Ni-RICH La-Ni ALLOYS

Feng Xiaoyang^1,2, Jiang Lijun^1,3, Li Zhinian^1,2, Wu Yuanfang^1,2, Ye Jianhua^1,3, Wang Qi^1,2

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摘要

采用感应熔炼和球磨方法制备镧镍储氢合金,进一步通过酸处理法原位制备富镍镧镍储氢合金。研究不同条件下制备的镧镍储氢合金催化二苄基甲苯（DBT）加氢性能。在反应温度为280 ℃时,经过4 h后,富镍镧镍储氢合金催化二苄基甲苯的加氢量达到5.34%（质量分数）,20 h后,其加氢量达到理论最大值。富镍镧镍储氢合金具备的高效催化二苄基甲苯加氢活性主要归因于镍的高效催化和镧镍储氢合金可逆吸放氢之间的相互促进作用。

Abstract

La-Ni alloys are prepared by induction melting and ball milling, and Ni-rich La-Ni alloys are further prepared in situ by an acid treatment method. The hydrogenation performance of dibenzyltoluene catalyzed by La-Ni alloys prepared with different conditions is studied. The hydrogenation amount of dibenzyltoluene catalyzed by Ni-rich La-Ni alloys reaches 5.34%（mass concentration） at 280 ℃ for 4 h, and finally reaches the theoretical maximum value after 20 h. The excellent catalytic hydrogenation activity of Ni-rich La-Ni alloys is mainly attributed to the mutual promotion between the efficient catalysis of Ni and the reversible hydrogen absorption and desorption ability of La-Ni alloys.

导出引用

冯小阳, 蒋利军, 李志念, 武媛方, 叶建华, 王琦. 富镍镧镍合金催化二苄基甲苯加氢性能研究[J]. 太阳能学报. 2022, 43(6): 382-388 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0479

Feng Xiaoyang, Jiang Lijun, Li Zhinian, Wu Yuanfang, Ye Jianhua, Wang Qi. HYDROGENATION PERFORMANCE OF DIBENZYLTOLUENE CATALYZED BY Ni-RICH La-Ni ALLOYS[J]. Acta Energiae Solaris Sinica. 2022, 43(6): 382-388 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0479

中图分类号： TB34

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