电邮这篇文章 活性炭在染料废水处理中的吸附平衡、物理化学参数及脱色效果
DOI: http://dx.doi.org/10.36956/rwae.v2i2.379
Article ID: 379
摘要
染料和染色工业的废水构成了严重的环境威胁，引起了人们的重视。以高粱壳和玉米穗轴废料为原料制备活性炭，可制备可变比例的组成灰（1:1、1:3、3:1），方法是高粱壳和玉米穗轴在400-500℃的马弗炉中煅烧2.5小时，用HCl（1M）进行酸活化，然后用光谱仪（XRF）对其进行表征。结果表明，灰中以SiO2、Al2O3和Fe2O3为主氧化物（比例不同）。以相同接触时间、不同吸附剂投加量的染料废水为对象，考察了吸附剂对染料废水的脱色效果。结果显示，高粱壳的水分（96.80±0.56）、灰分（12.90±0.35）、pH值（6.3±0.17）、电导率（208±1.34）和容重（12.27±0.61）较高。以1:1的比例进行间歇吸附实验，得到了最佳的澄清度，其平衡吸附（Qe）最高为28.55，而1:3和3:1的平衡吸附分别为12.750和10.900。
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