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Direct Synthesis of Phenol from Benzene on an Activated Carbon Catalyst Treated with Nitric Acid
Cui-hong Chen,Jia-quan Xu,Ming-ming Jin,Gui-ying Li,Chang-wei Hu*
Author NameAffiliationE-mail
Cui-hong Chen Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China  
Jia-quan Xu Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China  
Ming-ming Jin Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China  
Gui-ying Li Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China  
Chang-wei Hu* Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China gchem@scu.edu.cn, chwehu@mail.sc.cninfo.net 
Abstract:
Commercially available coal-based activated carbon was treated by nitric acid with different concentrations and the resultant samples were used as catalysts for the direct hydroxylation of benzene to phenol in acetonitrile. Boehm titration, X-ray photoelectron spectroscopy, scanning electron microscope coupled with an energy dispersive X-ray microanalyzer, and Brunauer-Emmett-Teller method were used to characterize the samples. The number of carboxyl groups on the surface was found to be the main factor affecting the catalytic activity. An optimum catalytic performance with a yield of 15.7% and a selectivity of 87.2% to phenol was obtained.
Key words:  Activated carbon, Catalytic activity, Carboxyl group, Hydrogen peroxide, Phenol
FundProject:
硝酸处理的活性碳催化苯一步合成苯酚
陈翠红,徐加泉,靳明明,李桂英,胡常伟*
摘要:
将市售的煤质活性炭用不同浓度的硝酸处理后,在乙腈体系下催化苯一步羟化成苯酚. 并对处理过的活性炭进行Boehm滴定、XPS/EDX、BET等方法表征,发现活性炭表面羧基的数量是影响其催化活性的主要因素. 得到苯酚的最高收率为15.7%,选择性为87.2%.
关键词:  活性炭,催化活性,羧基,过氧化氢,苯酚
DOI:10.1088/1674-0068/24/03/358-364
分类号: