DOI: 10.1016/j.jcou.2017.03.012
Scopus记录号: 2-s2.0-85016597331
论文题名: Highly selective hydrogenation of CO2 into formic acid on a nano-Ni catalyst at ambient temperature: Process, mechanisms and catalyst stability
作者: He C.-S. ; Gong L. ; Zhang J. ; He P.-P. ; Mu Y.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2017
卷: 19 起始页码: 157
结束页码: 164
语种: 英语
英文关键词: Carbon dioxide reduction
; Formic acid
; Hydrogenation
; Nano-Ni particle
Scopus关键词: Carbon
; Catalysts
; Density functional theory
; Energy utilization
; Formic acid
; Greenhouse gases
; Hydrogenation
; Nickel
; Pollution control
; Temperature
; Carbon dioxide reduction
; Catalyst stability
; Constant pressures
; Density functional theory simulations
; High energy consumption
; Hydrogenation of CO
; Nano ni
; Selective hydrogenation
; Carbon dioxide
英文摘要: The hydrogenation of CO2 with gaseous hydrogen is currently believed to be the most commercially feasible synthetic method to resolve the serious worldwide greenhouse gas effects. However it is suffering from several disadvantages, such as expensive complex catalysts, and high energy consumption. In this study, a novel method for the hydrogenation of CO2 into formic acid with nano-Ni catalyst is developed. The effects of various parameters on the capability of the catalyst for CO2 conversion were investigated. Furthermore, the HCO3 - reduction process on the catalyst was rationalized theoretically with density functional theory simulations. The prepared nano-Ni was demonstrated to be an available catalyst for CO2 conversion into formic acid by employing H2 as a hydrogen source at ambient temperature and almost constant pressure. Moreover, the nano-Ni catalyst displayed good tolerance with pH variations in CO2 reduction. The formation of formic acid from CO2 reduction on nano-Ni particles was enhanced with an increase NaHCO3 concentration and catalyst dosage. Additionally, theoretical analysis elucidated that the hydrogenation of CO2 into formic acid on nano-Ni catalyst was favorable over attacking the C of HCO3 - by the active H and hydroxyl group. © 2017 Elsevier Ltd. All rights reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52743
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
He C.-S.,Gong L.,Zhang J.,et al. Highly selective hydrogenation of CO2 into formic acid on a nano-Ni catalyst at ambient temperature: Process, mechanisms and catalyst stability[J]. Journal of CO2 Utilization,2017-01-01,19