Effect of surface modification of coal based activated carbon on low temperature denitrification performance of rare-earth supported CeO2/AC [煤基活性炭表面改性对稀土负载型CeO2/AC低温脱硝性能的影响] - Details

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Abstract：

This　work　presented　the　preparation　process　of　modified　activated　carbon　supported　Ce3+　for　SCR　denitration.　As　the　catalyst　support,　coal-based　activated　carbon　was　pretreated　by　two　methods　of　thermal　oxidation　by　air　and　wet　chemical　oxidation　by　dipping　nitric　acid.　The　pore　structure　and　surface　chemical　properties　of　the　modified　activated　carbon　by　different　methods　was　investigated　by　N2　adsorption　and　X-ray　photoelectron　spectrometer　(XPS).　The　results　show　that　the　BET　surface　of　modified　activated　carbon　by　hot　air　presented　no　obvious　loss　and　the　surface　functional　groups　of　activated　carbon　was　obviously　enriched.　However,　the　BET　surface　of　modified　activated　carbon　by　dipping　nitric　acid　showed　significantly　reduce.　Moreover,　we　also　discovered　the　optimum　preparation　process　of　Ce3+　supported　modified　activated　carbon　(CeO2/AC)　as　SCR　denitration　catalyst.　When　the　temperature　of　hot　air　oxidation　is　350　℃,　the　loading　amount　of　Ce　is　5%　(mass　fraction)　by　dipping　method,　and　the　calcining　temperature　is　500　℃　under　the　protection　of　nitrogen,　the　obtained　denitration　catalyst　CeO2/AC　has　the　optimum　SCR　catalytic　activity　and　its　denitration　rate　can　reach　100%　at　150　℃.　©　2018,　Science　Press.　All　right　reserved.

Keyword：

Activated carbon; Oxidization; Rare-earth modification; SCR denitration catalyst

Community：

[ 1 ] [Chen, W.]College of Environment and Resouces, Fuzhou University, Fuzhou, 350108, China
[ 2 ] [Xiao, G.]College of Environment and Resouces, Fuzhou University, Fuzhou, 350108, China
[ 3 ] [Guo, J.]College of Environment and Resouces, Fuzhou University, Fuzhou, 350108, China
[ 4 ] [Liu, M.]College of Environment and Resouces, Fuzhou University, Fuzhou, 350108, China
[ 5 ] [Qi, S.]College of Environment and Resouces, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Liu, X.]Institute of Chemical Defense, Academy of Military Science of the Chinese People's Liberation Army, Beijing, 102205, China
[ 7 ] [Li, J.]Institute of Chemical Defense, Academy of Military Science of the Chinese People's Liberation Army, Beijing, 102205, China
[ 8 ] [Hua, J.]College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, 610065, China
[ 9 ] [Wang, T.]College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, 610065, China
[ 10 ] [Li, X.]Chengdu Guohua Environmental Protection Technology Co.Ltd, Chengdu, 610065, China

Reprint 's Address：

肖高
[Xiao, G.]College of Environment and Resouces, Fuzhou UniversityChina

Email：

xiaogao@fzu.edu.cn

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煤基活性炭表面改性对稀土负载型CeO2/AC低温脱硝性能的影响
2018，环境工程学报

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Source ：

Chinese Journal of Environmental Engineering

ISSN： 1673-9108

CN： 11-5591/X

Year： 2018

Issue： 7

Volume： 12

Page： 1959-1967

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 3

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 3

Affiliated Colleges：

环境与安全工程学院本学院/部未明确归属的数据

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