Deep NO removal from CO2 by oxidation adsorption with HZSM-5 modified by transition-metal salt

doi:10.3969/j.issn.0438-1157.2012.11.047

CIESC Journal ›› 2012, Vol. 63 ›› Issue (11): 3700-3706.DOI: 10.3969/j.issn.0438-1157.2012.11.047

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Deep NO removal from CO₂ by oxidation adsorption with HZSM-5 modified by transition-metal salt

CHEN Shaoyun, ZHANG Yongchun, WANG Xinping

State Key Laboratory of Fine Chemicals, Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116023, Liaoning, China

Received:2012-04-16 Revised:2012-07-24 Online:2012-11-05 Published:2012-11-05
Supported by:
supported by the National Torch Plan(2007GH560021).

过渡金属盐改性HZSM-5氧化吸附深度脱除CO₂中的NO

陈绍云, 张永春, 王新平

大连理工大学化工与环境生命学部国家精细化工重点实验室, 辽宁大连 116023

通讯作者: 张永春
作者简介:陈绍云(1981-),男,博士后。
基金资助:
国家火炬计划项目(2007GH560021)。

Abstract

Abstract: Oxidation adsorption of NO was investigated on HZSM-5 without and with transition-metal-salt [3.85%(mass) of metal] as adsorbents in a fixed bed.These adsorbents were characterized by SEM,BET,XRD and XRF.The results demonstrated that both HZSM-5 and transition-metal-salt-modified HZSM-5 can efficiently remove NO from CO₂,reducing to a level of less than 0.1?10^-6,but for HZSM-5 exist of CO₂ will significantly affect NO adsorption.Co/HZSM-5(25)is the best adsorbent with the highest NO adsorption capacity,while the results of NO_x-TPD revealed that there is good feasibility of industrial application for Cu/HZSM-5(25),Mn/HZSM-5(25).

Key words: adsorption, nitric oxide, carbon dioxide, HZSM-5, impregnation

关键词: 吸附, 一氧化氮, 二氧化碳, HZSM-5, 浸渍法

CLC Number:

TQ028.2

CHEN Shaoyun, ZHANG Yongchun, WANG Xinping. Deep NO removal from CO₂ by oxidation adsorption with HZSM-5 modified by transition-metal salt[J]. CIESC Journal, 2012, 63(11): 3700-3706.

陈绍云, 张永春, 王新平. 过渡金属盐改性HZSM-5氧化吸附深度脱除CO₂中的NO[J]. 化工学报, 2012, 63(11): 3700-3706.

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Deep NO removal from CO₂ by oxidation adsorption with HZSM-5 modified by transition-metal salt

过渡金属盐改性HZSM-5氧化吸附深度脱除CO₂中的NO

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