氮改性介孔碳的制备及其对水中壬基酚聚氧乙烯醚的吸附

发布时间：2018-01-06 11:38

  本文关键词：氮改性介孔碳的制备及其对水中壬基酚聚氧乙烯醚的吸附　出处：《石油学报(石油加工)》2017年03期 　论文类型：期刊论文

  更多相关文章： 介孔碳 氮改性介孔碳 吸附 壬基酚聚氧乙烯醚 循环再生

【摘要】：以软模板法合成介孔碳(MC),添加三聚氰胺为改性剂合成氮改性介孔碳(NMC),并进行N2吸-脱附、TEM和FT-IR表征,同时考察NMC和MC对水中壬基酚聚氧乙烯醚(NPEO10)的吸附性能。结果表明,NMC和MC的比表面积分别为579.6m~2/g和687.8m~2/g。吸附过程符合准二级动力学模型,吸附行为遵循Freundlich等温模型,为优惠吸附。吸附过程为可自发进行的放热反应,无化学键等强键作用,主要以物理吸附为主。吸附饱和后的NMC和MC经5次循环/再生后对NPEO10的去除率均在60%以上。与活性炭(AC)相比,NMC和MC的吸附效果更优越。
[Abstract]:Soft template synthesis of mesoporous carbon (MC), adding melamine as modifier of synthetic nitrogen modified mesoporous carbon (NMC), and N2 adsorption desorption, TEM and FT-IR characterization, the combined effect of NMC and MC on the water adsorption properties of nonylphenol ethoxylates (NPEO10). The results showed that NMC and MC the specific surface area were 579.6m~2/g and 687.8m~2/g. adsorption process conformed to the pseudo two order kinetics model, the adsorption behavior followed Freundlich isotherm model for preferential adsorption. The adsorption process was an exothermic reaction can occur spontaneously, without a strong chemical bond bond interaction, mainly by physical adsorption. After adsorption of NMC and MC after 5 cycles / regeneration after the removal rate of NPEO10 was more than 60%. Compared with the activated carbon (AC), NMC and MC adsorption effect is better.

【作者单位】： 中国石油大学化学工程学院;
【基金】：中国石油大学(华东)拔尖人才资助项目(RC2015011)资助
【分类号】：TQ424;X703
【正文快照】： 现代工业快速发展,产生了大量有机、无机有毒废物,随之这些工业废物排放到环境中造成了严重的水、空气和土壤污染。壬基酚聚氧乙烯醚(NPEO10)作为一种非离子表面活性剂,因其具有优良的性能以及低廉的价格,广泛应用于家用洗涤剂、杀虫剂以及工业产品中[1]。壬基酚聚氧乙烯醚物，

本文编号：1387707