Please wait a minute...
金属学报  1993, Vol. 29 Issue (2): 49-53    
  论文 本期目录 | 过刊浏览 |
Ca_2SiO_4和NaFeO_2的反应和铝酸盐熟料配方的优化
詹千宝;李明;周继程;陈念贻;戚立宽;陈建棠
中国科学院上海冶金研究所;中国科学院上海冶金研究所;中国科学院上海冶金研究所;中国科学院上海冶金研究所;研究员;上海(200050);山东铝厂研究院;山东铝厂研究院
REACTION BETWEEN Ca_2SiO_4 AND NaFeO_2 AND OPTIMIZATION OF COMPOSITION OF SINTER IN ALUMINA PRODUCTION
ZHAN Qianbao;LI Ming;ZHOU Jicheng;CHEN Nianyi;QI Likuan;CHEN Jiantang Shanghai Institute of Metallurgy; Academia Sinica; Research Institute of Shandong Aluminium Factory
引用本文:

詹千宝;李明;周继程;陈念贻;戚立宽;陈建棠. Ca_2SiO_4和NaFeO_2的反应和铝酸盐熟料配方的优化[J]. 金属学报, 1993, 29(2): 49-53.
, , , , , . REACTION BETWEEN Ca_2SiO_4 AND NaFeO_2 AND OPTIMIZATION OF COMPOSITION OF SINTER IN ALUMINA PRODUCTION[J]. Acta Metall Sin, 1993, 29(2): 49-53.

全文: PDF(335 KB)  
摘要: 用X射线衍射(XRD)和红外吸收光谱(IRS)研究了Ca_2SiO_4—NaFeO_2系的反应产物,证明其中含CaFe_2O_4和Na_4Ca_8(SiO_4)_5。热力学计算表明Ca_2SiO_4-NaFeO_2不是互易系的稳定对Na_4Ca_8(SiO_4)_5和铝酸钠溶液作用生成Ca_3[Al(OH)_6]_2(或其固溶体),使熟料Al_2O_3溶出率降低。用模式识别方法从工业生产技术记录中总结出熟料配方优化数学模型,并给出理论解释。
关键词 Ca_2SiO_4NaFeO_2化学反应    
Abstract:The reaction product of Ca_2SiO_4-NaFeO_2 system has been investigated byX-ray diffraction and IR spectroscopy. The product contains CaFe_2O_4 and Na_4Ca_8(SiO_4)_5.Thermodynamical estimation also confirms that Ca_2SiO_4+NaFeO_2 is not the stable pair ofthe reciprocal salt pairs of Ca, NaSiO_4, FeO_2 system. In the reactions betweenNa_4Ca_8(SiO_4)_5 and sodium aluminate solution there forms Ca_3[Al(OH)_6]_2 (or its solid solu-tion) which will decrease the recovery of alumina. Based on the abovementioned facts, themathematical model for the optimization of the composition of sinters in alumina productionhas been explained.
Key wordsCa_2SiO_4    NaFeO_2    chemical reaction
收稿日期: 1993-02-18     
基金资助:国家自然科学基金
1 Chen Nianyi, Zhang Weiming, Cheng Zhaonian. In: Danzer K ed., Wissensche-ftliche Seitrage der Friedrich-Schiller Universitate, Jeaa: Friedrich-Schiller Universitate Jena, 1989: 59
2 许志宏,王乐珊.无机热化学数据库.北京:中国科学院化工冶金研究所,1981
3 戚立宽,罗玉长,杨思明.金属学报,1979;15:29
[1] 刘建华 章锦丹 张晓亮 李松梅 于美. 质粒DNA光化学反应制备Ag纳米颗粒[J]. 金属学报, 2012, 48(9): 1139-1144.
[2] 陈刚;朱震刚;孙国雄. 反应生成α-Al_2O_3(p)/Al-Cu复合材料的化学反应的研究[J]. 金属学报, 1998, 34(5): 531-537.
[3] 李斗星;平德海;宁小光;叶恒强. 界面精细结构与界面反应产物结构[J]. 金属学报, 1992, 28(7): 1-18.