粉煤灰综合利用 2013N0.3 FLY ASH COMPREHENSIVE UTILIZATION 专题研究 粉煤灰基地聚物材料对I的固定化研究 * Study on Immobilization of I-by Fly Ash based Geopolymer Material 潘泓洋，陈晨，程婷2，孟凯，李亮亮，张维霞1，华续会3 (1.江苏科技大学生物与化学工程学院，江苏镇江212018； 2.江苏城市职业学院城市科学系，江苏南京210036；3.江苏科技大学南徐学院，江苏镇江212004) 摘要：利用粉煤灰基地聚物材料对厂进行了固定化，探讨了抗压强度，射线衍射光谱，红外光谱随固化量的变 化.在此基础上，进行了浸出试验和浸出动力学数据的拟合.试验结果表明：厂的加人不会对粉煤灰地聚物的宏观强度 和微观结构产生明显影响.I厂在水中的浸出速率在早期较快后期逐渐降低，其早期浸出过程可用“Jander'”方程进行拟 合. 关键词：粉煤灰；地聚物；；周化 中图分类号：TU528.35 文献标识码：A 文章编号：1005-8249(201303-0016-03 Pan Hong-yang Chen Chen' Cheng Ting Meng Kai Li Liang-liang' Zhang Wei-xia Hua Xu-hui (1.School of Biology and Chemical Engineering .Jiangsu University of Science and Technology Zhenjiang 212018.China; 2.Department of City Science .Jiangsu City Vocational College .Nanjing 210036.China; 3.Nanxu College .Jiangsu University of Science and Technology Zhenjiang 212004.China) Abstract Fly ash based geopolymer material was used to immobilizes I.The paper discussed how Iadding dose effeet pres- sive strength XRD and IR patterns of geopolymer material Then the leaching ex periment and leaching kinetics analysis were conducted The results showed that I can not effect the macroscopic strength and microcosmic structure of geopolymer material The leaching rate of I-deereased with leaching time and the early -stage process could be fitting by "Jander"equation. Key words:fly ash :geopoly mer :I immobilization 地质聚合物(Geopolymer)是一类人工合成硅铝域.Zhang等成功利用粉煤灰为原料合成的地质聚合 材料的总称2.法国科学家Davidovits在1976年的 物材料固定含有铬离子、镉离子及铅离...
粉煤灰基地聚物材料对﹢I-的固定化研究.pdf
