酸改性凹凸棒土的制备及其脱汞性能

被引：14

作者：

施冬雷 ^{[1
,2
]}

乔仁静 ^{[1
]}

许琦 ^{[1
]}

机构：

[1] 盐城工学院化学与生物工程学院

[2] 常州大学石油化工学院

来源：

合成化学 | 2015年 / 23卷 / 08期

关键词：

凹凸棒土; 酸改性; 制备; 燃煤烟气; 脱汞;

D O I：

10.15952/j.cnki.cjsc.1005-1511.2015.08.0720

中图分类号：

TQ424 [吸附剂];

学科分类号：

摘要：

以凹凸棒土为原料,分别经盐酸、硫酸和硝酸改性处理制得酸改性凹凸棒土,其结构经IR,X-射线衍射(XRD)和透射电子显微镜(TEM)表征。在模拟烟气条件下考查了其汞脱除能力,研究了温度、浓度和寿命对脱汞性能的影响。实验结果表明:经4 mol·L-1盐酸改性凹凸棒土在180℃时汞脱除能力最好,且在6 h内脱汞性能保持稳定。

引用

页码：720 / 724

页数：5

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