Role of nitrogen in pore development in activated carbon prepared by potassium carbonate activation of lignin
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- 作者：Naoto Tsubouchi ; tsubon@eng.hokudai.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Megumi Nishio ; Yuuki Mochizuki
- 关键词：Activated carbon ; Lignin ; Urea ; Potassium carbonate ; Potassium cyanate ; Potassium cyanide
- 刊名：Applied Surface Science
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：371
- 期：Complete
- 页码：301-306
- 全文大小：1292 K
文摘
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Activated carbon prepared from a lignin/urea/K2CO3 mixture provides a high specific surface area and a large pore volume.
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Part of the urea nitrogen present in the mixture is retained as heterocyclic nitrogen in the solid phase after activation/carbonization.
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Pore development is thought to proceed through interactions between K-species and C–N forms.