| 蒙脱石复合材料的制备及性能研究 |
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| 引用本文： | 付桂珍,刘红,刘刚伟.蒙脱石复合材料的制备及性能研究[J].武汉理工大学学报,2011(2):119-123. |
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| 作者姓名： | 付桂珍 刘红 刘刚伟 |
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| 作者单位： | 武汉理工大学资源与环境工程学院; |
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| 基金项目： | 湖北省耐火材料与高温陶瓷重点实验室开放基金(G0508); 教育部科学技术研究重点项目(02052) |
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| 摘 要： | 以蒙脱石和粉煤灰为原料,添加一定量的粘结剂混合造粒制成复合颗粒吸附材料,用于处理含Cu2+废水。实验研究了蒙脱石/粉煤灰混合比例、焙烧温度、添加剂用量等因素对复合颗粒强度和吸附性能的影响。研究结果表明,制备复合颗粒最佳的工艺条件为:蒙脱石与粉煤灰的混合比为6∶4,焙烧温度450℃,工业淀粉的添加比例为10%,粒径1～2 mm。该材料的物理性能分析表明:吸水率为31.80%,显气孔率为46.82%,体积密度为1.47 kg/m3,抗压强度为5.28 MPa,比表面积为10.28 m2/g。说明所制备的复合材料吸附性能良好。
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| 关 键 词： | 蒙脱石 粉煤灰 造粒 吸附 |
Research on Preparation of Composite Materials of Montmorillonite |
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| FU Gui-zhen,LIU Hong,LIU Gang-wei.Research on Preparation of Composite Materials of Montmorillonite[J].Journal of Wuhan University of Technology,2011(2):119-123. |
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| Authors: | FU Gui-zhen LIU Hong LIU Gang-wei |
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| Affiliation: | FU Gui-zhen,LIU Hong,LIU Gang-wei(School of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan 430070,China) |
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| Abstract: | Granulated composite materials were prepared by using the mixture of montmorillonite,fly ash and certain amount of cementing agent.The granulated composite absorbent was used to treat the waste water containing Cu2+.The mixture ratio of montmorillonite/fly ash,the temperature of calcination and the amount of cementing agent were investigated.The experimental study results showed that the optimum technological conditions of preparing the composite granules were as follows: the mixture ratio of montmorillonit... |
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| Keywords: | montmorillonite fly ash granulation adsorption |
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