以凹凸棒石、针铁矿和小麦秸秆为原料,添加少量的环氧树脂作为黏结剂,在适宜的温度和气氛下煅烧,同步完成了生物质碳化、凹凸棒石热活化及针铁矿的还原,获得了具有高气孔率和强磁性的凹凸棒石-针铁矿改性麦秸木质陶瓷,利用XRD和SEM分析了原料质量比及焙烧温度对其物相及微观结构的影响.结果表明:凹凸棒石-针铁矿改性麦秸木质陶瓷是一种非晶态多孔质碳素材料,在相同温度下,原料的质量比对其物相几乎无影响;随着焙烧温度的升高,凹凸棒石的特征衍射峰逐渐消失,凹凸棒石-针铁矿改性麦秸木质陶瓷中有新的物相产生.
参考文献
| [1] | Shibata K;Okabe T;Saito K.Electromagnetic shielding properties of woodceramics made from wastepaper[J].Journal of Porous Material,19974(04):269-275. |
| [2] | Qiao Guanjun;Ma Rong;Cai Ning.Microstructure transmissibility in preparing SiC ceramics from natural wood[J].Journal of Materials Processing Technology,20021/3(1/3):107-110. |
| [3] | Preparation and characterization of polyacrylamide/palygorskite[J].Applied clay science,20092(2):148-152. |
| [4] | 陈天虎;徐晓春;岳书仓.苏皖凹凸棒石黏土纳米矿物学及地球化学[M].北京:科学出版社,2004:2. |
| [5] | 陈天虎;汪嘉源;束松林;鲍韬;高东升;黎少杰.改性凹凸棒石黏土对低浓度磷的吸附热力学[J].硅酸盐学报,2010(9):1816-1819,1825. |
| [6] | T. Liu;L. Guo.Synthesis and interfacial structure of nanoparticles γ-Fe2O3 coated with surfactant DBS and CTAB[J].Nanostructured Materials,19994(4):487-492. |
| [7] | Chen TH;Xu HF;Xie QQ;Chen J;Ji JF;Lu HY.Characteristics and genesis of maghemite in Chinese loess and paleosols: Mechanism for magnetic susceptibility enhancement in paleosols[J].Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System,20053-4(3-4):790-802. |
| [8] | 刘雨;陈天虎;孙玉兵.氢气还原针铁矿制备的纳米铁去除硝酸盐的研究[J].中国给水排水,2011(3):74-77. |
| [9] | 钱军民;金志浩;王继平.酚醛树脂/木粉复合材料制备木材陶瓷结构变化过程研究[J].复合材料学报,2004(4):18-23. |
| [10] | 刘青松;邓成龙.磁化率及其环境意义[J].地球物理学报,2009(4):1041-1048. |
| [11] | 周玮;季峻峰;Balsam William;陈骏.利用漫反射光谱鉴定红粘土中针铁矿和赤铁矿[J].高校地质学报,2007(4):730-736. |
| [12] | 鲍腾;陈冬;彭书传;谢晶晶;庆承松;陈天虎.凹凸棒石基多孔陶粒的制备及性能[J].复合材料学报,2012(5):106-112. |
| [13] | Liu W J;Tian K;Jiang H.Facile synthesis of highly efficient and recyclable magnetic solid acid from biomass waste[J].Scientific Reports,20133:1-7. |
| [14] | GUOREN XU;JINLONG ZOU;GUIBAI LI.Ceramsite Made with Water and Wastewater Sludge and its Characteristics Affected by SiO2 and Al2O3[J].Environmental Science & Technology: ES&T,200819(19):7417-7423. |
| [15] | 胡守云;吉磊;王苏民.呼伦湖地区扎费诺尔晚第四纪湖泊沉积物的磁化率变化及其影响因素[J].湖泊科学,19957(01):33-40. |
| [16] | Wang J;Liu Z C;Jiang W.A relationship between susceptibility and grain-size and minerals,and their paleo-environmental implications[J].Acta Geographica Sinica,199651(03):155163. |
| [17] | Liu QS;Deng CL;Yu YJ;Torrent J;Jackson MJ;Banerjee SK;Zhu RX.Temperature dependence of magnetic susceptibility in an argon environment: implications for pedogenesis of Chinese loess/palaeosols[J].Geophysical Journal International,20051(1):102-112. |
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