Ru/hierarchical HZSM-5 zeolite as efficient bi-functional adsorbent/catalyst for bulky aromatic VOCs elimination
Ru/hierarchical HZSM-5 zeolite as efficient bi-functional adsorbent/catalyst for bulky aromatic VOCs elimination
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Ru/多级HZSM-5沸石作为高效双功能吸附剂/催化剂,用于消除大体积芳香族VOC
DOI:
10.1016/j.micromeso.2017.08.052
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发表时间:
2018-03
影响因子:
5.2
通讯作者:
Jian Zhou
中科院分区:
文献类型:
--
作者:
Yu Wang;Dengyao Yang;Shaozhong Li;Mengqiu Chen;Limin Guo;Jian Zhou
This study focused on the elimination of bulky aromatic VOCs by adsorption/combustion in humid conditions using Ru/hierarchical HZSM-5 zeolites as adsorbent and catalyst. Compared with Ru/conventional HZSM-5 zeolite, Ru/hierarchical HZSM-5 showed increased external surface and mesoporous volume, shortened diffusion length and enhanced low-temperature reducibility. Adsorption experiments demonstrated that Ru/hierarchical HZSM-5 zeolite was a very efficient adsorbent for the removal of bulky aromatic VOCs. In addition, the catalytic activity of as-prepared composite in VOCs combustion showed good correlations with their textural characteristics. The value of turnover frequency (rTOF) of Ru/hierarchical HZSM-5 was about twice, three and four times to that of Ru/conventional HZSM-5 toward toluene,o-xylene and TMB combustion, respectively, which indicated Ru/hierarchical HZSM-5 zeolites had more significant performance for catalyzing combustion of bulkier molecule. More importantly, Ru/hierarchical HZSM-5 showed the efficient bi-functional performance during the adsorption/combustion cycling process for bulky aromatic VOCs. In addition, the good carbon balance has been kept for each cycle without the production of secondary pollutants.
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影响因子:
6.7
作者:
SHEN, JY;ADNOT, A;KALIAGUINE, S
通讯作者:
KALIAGUINE, S
影响因子:
22.1
作者:
Chen, Bing-bing;Zhu, Xiao-bing;Shi, Chuan
通讯作者:
Shi, Chuan
影响因子:
3.7
作者:
C. Shi;Yu Wang;Aimin Zhu;Bingbing Chen;C. Au
通讯作者:
C. Shi;Yu Wang;Aimin Zhu;Bingbing Chen;C. Au
影响因子:
22.1
作者:
Garetto, TF;Apesteguía, CR
通讯作者:
Apesteguía, CR
影响因子:
22.1
作者:
Shijing Lin;Guijin Su;M. Zheng;Dekun Ji;Manke Jia;Yexuan Liu
通讯作者:
Shijing Lin;Guijin Su;M. Zheng;Dekun Ji;Manke Jia;Yexuan Liu