Spontaneous oxygen isotope exchange between carbon dioxide and natural clays: Refined rate constants referenced to TiO₂ (anatase/rutile)

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• 作者：Anton&iacute ; n Kn&iacute ; žek^a ; ^d ; Marké ; ta Zukalová ; ^a ; Ladislav Kavan^a ; Arno&scaron ; t Zukal^a ; Petr Kubel&iacute ; k^a ; Petr Roj&iacute ; k^b ; Petr Skřehot^c ; Martin Ferus^a ; Svatopluk Civi&scaron ; ^a ; ^{knizeka@gmail.com}
• 关键词：Clay ; Carbon dioxide ; FTIR spectroscopy ; Oxygen exchange ; Surface
• 刊名：Applied Clay Science
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：137
• 期：Complete
• 页码：6-10
• 全文大小：492 K
• 卷排序：137

文摘

Oxygen mobility between carbon dioxide and clay surface has been demonstrated. Different rate constants for different types of clays have been systematically evaluated. Possible reaction mechanisms are discussed.