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Citation: MA Zhong-Yi, YANG Cheng, DONG Qing-Nian, WEI Wei, LI Wen-Huai, SUN Yu-Han. A Study of CO₂/H₂ Adsorption on Zirconia Polymorphs[J]. Acta Physico-Chimica Sinica, ;2005, 21(02): 225-228. doi: 10.3866/PKU.WHXB20050224 shu

A Study of CO₂/H₂ Adsorption on Zirconia Polymorphs

1.
StateKeyLaboratoryofCoalConversion,InstituteofCoalChemistry,ChineseAcademyofSciences,Taiyuan　030001;GraduateSchoolofChineseAcademyofSciences,Beijing　100039

Received Date: 4 August 2004
Available Online: 15 February 2005

The adsorption behaviors of CO2 and CO2＋H2 on zirconia polymorphs were investigated by FT-IR technique. The results showed that absorbed CO2 and surface intermediates varied with zirconia polymorphs. Bicarbonate and ion carbonate species were detected on amorphous zirconia. In addition to the two species, bidented carbonate was also formed on monoclinic zirconia. The strongest adsorbed CO2 and polydentate carbonate species were found on tetra nal zirconia. In the case of CO2 hydrogenation, methane was formed on monoclinic zirconia while formate species was observed on tetra nal zirconia.
- Zirconia;FT-IR;CO₂ adsorption;CO₂＋H₂
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沈阳化工大学材料科学与工程学院沈阳 110142

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A Study of CO2/H2 Adsorption on Zirconia Polymorphs

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通讯作者: 陈斌, bchen63@163.com

A Study of CO₂/H₂ Adsorption on Zirconia Polymorphs