以水合肼为还原剂,采用硝酸、盐酸、硫酸及氮气或氢气氛处理的活性炭为催化剂,考察了其催化硝基苯还原反应性能.结果表明,经化学处理后,活性炭表面形成了各种含氧官能团,它们可引发水合肼分解,并影响硝基苯的吸附.活性炭表面形成的含氧官能团越多,其催化硝基苯还原速率越快.其中经盐酸处理的活性炭表面形成的含氧官能团最多,因而表现出最高的硝基苯还原活性.
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