以大量堆存的固体废弃物赤泥和粉煤灰为主要原料,通过首先低温发泡成型而后高温煅烧的工艺制备了赤泥粉煤灰添加量达90 mass％以上、可用于废水除油滤料的泡沫陶瓷.研究了煅烧温度和原料配比对泡沫陶瓷性能的影响.当烧结温度为1150℃,赤泥和粉煤灰的比例为1∶1时,制备的泡沫陶瓷的显气孔率为60％以上,抗压强度在2 MPa以上.为了提高泡沫陶瓷的除油效果,泡沫陶瓷用KH-550进行表面氨基改性,改性泡沫陶瓷60 min内除油效率约为80％.改性泡沫陶瓷的除油效果和商业陶瓷滤料相当.
参考文献
| [1] | 南相莉;张廷安;刘燕;豆志河.我国赤泥综合利用分析[J].过程工程学报,2010(z1):264-270. |
| [2] | 付春伟;刘立强;于平坤;张国莹;张淑国.造孔剂种类对粉煤灰多孔陶瓷性能的影响研究[J].粉煤灰综合利用,2011(2):12-15,19. |
| [3] | Yanzhong Li;Changjun Liu;Zhaokun Luan;Xianjia Peng;Chunlei Zhu;Zhaoyang Chen;Zhongguo Zhang;Jinghua Fan;Zhiping Jia.Phosphate removal from aqueous solutions using raw and activated red mud and fly ash[J].Journal of hazardous materials,20061(1):374-383. |
| [4] | S.S. Amritphale;Avneesh Anshul;Navin Chandra.A novel process for making radiopaque materials using bauxite-Red mud[J].Journal of the European Ceramic Society,20071(1):1945-1951. |
| [5] | Belviso, Claudia;Agostinelli, Elisabetta;Belviso, Sandra;Cavalcante, Francesco;Pascucci, Simone;Peddis, Davide;Varvaro, Gaspare;Fiore, Saverio.Synthesis of magnetic zeolite at low temperature using a waste material mixture: Fly ash and red mud[J].Microporous and mesoporous materials: The offical journal of the International Zeolite Association,2015:208-216. |
| [6] | Huizhi Yang;Changping Chen;Lijun Pan.Preparation of double-layer glass-ceramic/ceramic tile from bauxite tailings and red mud[J].Journal of the European Ceramic Society,200910(10):1887-1894. |
| [7] | Xingjun Chen;Anxian Lu;Gao Qu.Preparation and characterization of foam ceramics from red mud and fly ash using sodium silicate as foaming agent[J].CERAMICS INTERNATIONAL,20132(2):1923-1929. |
| [8] | 吴庆波;刘立强;赵东;牛文贺;张全鹏;王明国.用粉煤灰和赤泥为原料制备多孔陶瓷的研究[J].粉煤灰综合利用,2013(4):43-44,47. |
| [9] | Toshihiro ISOBE;Yoshikazu KAMESHIMA;Akira NAKAJIMA.Preparation and properties of porous alumina ceramics with uni-directionally oriented pores by extrusion method using a plastic substance as a pore former[J].Journal of the European Ceramic Society,20071(1):61-66. |
| [10] | 白佳海.莫来石/SiC复相多孔陶瓷的制备及性能研究[J].硅酸盐通报,2006(06):91-94. |
| [11] | 杨家宽;张杜杜;侯健;邢国;肖波.热处理条件对赤泥微晶玻璃表面晶化和体积晶化的影响[J].材料热处理学报,2004(6):20-24. |
| [12] | 徐晓虹;邸永江;吴建锋;张韬;雷中伟;卢家喜;刘祥全;邓琦.利用固体废弃物制备多孔陶瓷滤球的研究[J].陶瓷学报,2003(4):197-200. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%