DOI: 10.1016/j.jcou.2013.06.002
Scopus记录号: 2-s2.0-84885137575
论文题名: Adsorption-desorption of CO2 on different type of copper oxides surfaces: Physical and chemical attractions studies
作者: Isahak W.N.R.W. ; Ramli Z.A.C. ; Ismail M.W. ; Ismail K. ; Yusop R.M. ; Hisham M.W.M. ; Yarmo M.A.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2013
卷: 2 起始页码: 8
结束页码: 15
语种: 英语
英文关键词: CO2
; Copper oxides
; Low temperature desorption
; Physical-chemical adsorption
; Regeneration
Scopus关键词: Adsorbent materials
; Adsorption and desorptions
; Adsorption desorption
; Adsorption performance
; Analytical method
; Low temperature desorption
; Regeneration
; Standard conditions
; Adsorption
; Copper oxides
; Desorption
; Surface analysis
; Surfaces
; Thermodynamics
; X ray photoelectron spectroscopy
; Carbon dioxide
英文摘要: By thermodynamics considerations, it was shown that the adsorption of CO2 on CuO surfaces is favourable (ΔG = +4.9 kJ mol -1) under standard conditions (1 atm and 298 K). Various analytical methods such as FTIR, BET, TPD-CO, TGA, XRD, XPS and FESEM were carried out to determine the properties of Cu2O and CuO and CO2 adsorption performance. Surface analysis by XPS, it was noted that 52.4% of carbonates (CO3 2-) was formed and deposited on CuO surface. By BET-CO2 method, typical amount of CO2 was adsorbed (9 cm3 per gram sample) at relative pressure of 0.78. It was relatively high compared to Cu2O with 2.1 cm3 per gram sample. The sphere-flower structure of CuO gives a better adsorption and desorption behaviour. Copper carbonate (CuCO3) formed after CO 2 adsorption was heated up until 573 K as a regeneration study of adsorbent materials. No significant loss was measured until three times regeneration. The desorption studies using TPD-CO2 indicated that about 9.5 mmol of CO2 was captured at room temperature. © 2013 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53044
Appears in Collections: 影响、适应和脆弱性
There are no files associated with this item.
Recommended Citation:
Isahak W.N.R.W.,Ramli Z.A.C.,Ismail M.W.,et al. Adsorption-desorption of CO2 on different type of copper oxides surfaces: Physical and chemical attractions studies[J]. Journal of CO2 Utilization,2013-01-01,2