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黎氏琼春等:一水硬铝石矿一氢氧化钠体系微波培烧相变规律 ·193· 图10不同氢氧化钠添加量下焙烧产物的扫描电镜照片.(a)10ml:(b)14mL Fig.10 SEM images of the roasted ore with different NaOH additions:(a)10 mL:(b)14 mL (5)扫描电子显微镜分析结果表明,随着NaOH [8]Zhou QS,Li X B,Peng Z H,et al.Strengthening digestion of 添加量增加或随着焙烧温度升高,焙烧产物形成的孔 roasted diaspore purified by chemical method and its mechanism. 隙越多,物料更疏松,更利于后续的溶出处理 J Cent South Unir Technol,2001,32(4):360 (周秋生,李小斌,彭志宏,等.一水硬铝石焙烧矿增浓溶出 参考文献 及其机理.中南工业大学学报,2001,32(4):360) 9]Li X B,Yang Z Y,Long Z Y.Effects of roasting process on leac- Gu SQ.Alumina production technology with high efficieney and hing behavior of diaspore ore.Light Met,1987(4):9 low consumption from Chinese bauxite resource.Chin Nonferrous (李小斌,杨重愚,龙志远.培烧过程对于一水硬铝石型铝土 Met,2004,14(Suppl1):91 矿溶出性能的影响.轻金属,1987(4):9) (顾松青.我国的铝土矿资源和高效低耗的氧化铝生产技术 [10]Bi S W,Yu H Y.Alumina Production Technology.Beijing: 中国有色金属学报,2004,14(增刊1):91) Chemical Industry Press,2006 2]Ma S H,Wen Z G,Chen J N,et al.An environmentally friendly (毕诗文,于海燕.氧化铝生产工艺.北京:化学工业出版 design for low-grade diasporic-auxite processing.Mfiner Eng, 社,2006) 2009,22(9-10):793 [11]Jin Q H,Dai SS,Huang K M.Microware Chemistry.Beijing: Liu G H,Zhang M,Xiao W,et al.Sintering process of diasporie Science Press,1999:47 bauxite with high iron content at low ratio of lime to silica for alu- (金软汉,戴淑山,黄卡玛.微波化学.北京:科学出版社, mina production.Chin J Nonferrous Met,2008,18(10):1903 1999:47) (刘桂华,张明,肖伟,等。高铁一水硬铝石型铝土矿的低钙 [12]Wang YY,Jin H.Study on microwave roasting of diaspore. 比烧结.中国有色金属学报,2008,18(10):1903) Nonferrous Met Extr Metall,2010(2):27 4]Li X.Yu S,Dong W,et al.Investigating the effect of ferrous ion (王一雍,金辉.微波加热预处理一水硬铝石矿的工艺研究 on the digestion of diasporic bauxite in the Bayer process.Hydro- 有色金属(治炼部分),2010(2):27) metallurgy,2015,152:183 03] Wang YY,Zhang T A,Chen X,et al.Effects of microwave 5]Li X B,Liu X M,Liu G H,et al.Study and application of in- roasting on leaching behavior of diaspore ore.Chin Process tensified sintering process for alumina production.Chin Nonfer- Eng,2007,7(2):317 ous Met,2004,14(6):1031 (王一雍,张廷安,陈霞,等.微波培烧对一水硬铝石矿浸出 (李小斌,刘样民,刘桂华,等.强化烧结法生产氧化铝新工 性能的影响.过程工程学报,2007,7(2):317) 艺的研究与实践.中国有色金属学报,2004,14(6):1031) [14]Liu X,Huang F,Zhao P Y,et al.Microcosmic mechanism a- 6] Yang H M,Yang W Q.Hu Y H,et al.Kinetics analysis of ther- nalysis on the influence of microwave field on leaching perform- mal decomposition reaction of diaspore.Chin J Nonferrous Met, ance of bauxite.Light Met,2013(3):19 2003,13(6):1523 (刘学,黄芳,赵平源,等。微波场对铝土矿溶出性能影响的 (杨华明,杨武国,胡岳华,等.一水硬铝石的热分解反应动 微观机理分析.轻金属,2013(3):19) 力学①.中国有色金属学报,2003,13(6):1523) 015]Huang F,Liu X,Zhao P Y,et al.Research on dissolution per- Guo J M,Bu T M,Yin C.Study on intensifying bayer-process di- formance of roasted bausite under microwave field.Min Metall gestion of diasporic bauxite.Nonferrous Met Miner Process Sect, Eng,2013,33(4):81 2004(5):22 (黄芳,刘学,赵平源,等。微波场培烧铝土矿的溶出性能研 (郭晋梅,卜天梅,尹成.一水硬铝石强化拜耳法溶出工艺研 究.矿治工程,2013,33(4):81) 究.有色金属(选矿部分),2004(5):22)黎氏琼春等: 一水硬铝石矿--氢氧化钠体系微波焙烧相变规律 图 10 不同氢氧化钠添加量下焙烧产物的扫描电镜照片. ( a) 10 mL; ( b) 14 mL Fig. 10 SEM images of the roasted ore with different NaOH additions: ( a) 10 mL; ( b) 14 mL ( 5) 扫描电子显微镜分析结果表明,随着 NaOH 添加量增加或随着焙烧温度升高,焙烧产物形成的孔 隙越多,物料更疏松,更利于后续的溶出处理. 参 考 文 献 [1] Gu S Q. Alumina production technology with high efficiency and low consumption from Chinese bauxite resource. Chin J Nonferrous Met,2004,14( Suppl 1) : 91 ( 顾松青. 我国的铝土矿资源和高效低耗的氧化铝生产技术. 中国有色金属学报,2004,14( 增刊 1) : 91) [2] Ma S H,Wen Z G,Chen J N,et al. An environmentally friendly design for low-grade diasporic-bauxite processing. Miner Eng, 2009,22( 9--10) : 793 [3] Liu G H,Zhang M,Xiao W,et al. Sintering process of diasporic bauxite with high iron content at low ratio of lime to silica for alu￾mina production. Chin J Nonferrous Met,2008,18( 10) : 1903 ( 刘桂华,张明,肖伟,等. 高铁一水硬铝石型铝土矿的低钙 比烧结. 中国有色金属学报,2008,18( 10) : 1903) [4] Li X,Yu S,Dong W,et al. Investigating the effect of ferrous ion on the digestion of diasporic bauxite in the Bayer process. Hydro￾metallurgy,2015,152: 183 [5] Li X B ,Liu X M ,Liu G H,et al. Study and application of in￾tensified sintering process for alumina production. Chin J Nonfer￾rous Met,2004,14( 6) : 1031 ( 李小斌,刘祥民,刘桂华,等. 强化烧结法生产氧化铝新工 艺的研究与实践. 中国有色金属学报,2004,14( 6) : 1031) [6] Yang H M,Yang W Q,Hu Y H,et al. Kinetics analysis of ther￾mal decomposition reaction of diaspore. Chin J Nonferrous Met, 2003,13( 6) : 1523 ( 杨华明,杨武国,胡岳华,等. 一水硬铝石的热分解反应动 力学①. 中国有色金属学报,2003,13( 6) : 1523) [7] Guo J M,Bu T M,Yin C. Study on intensifying bayer-process di￾gestion of diasporic bauxite. Nonferrous Met Miner Process Sect, 2004( 5) : 22 ( 郭晋梅,卜天梅,尹成. 一水硬铝石强化拜耳法溶出工艺研 究. 有色金属( 选矿部分) ,2004( 5) : 22) [8] Zhou Q S,Li X B,Peng Z H,et al. Strengthening digestion of roasted diaspore purified by chemical method and its mechanism. J Cent South Univ Technol,2001,32( 4) : 360 ( 周秋生,李小斌,彭志宏,等. 一水硬铝石焙烧矿增浓溶出 及其机理. 中南工业大学学报,2001,32( 4) : 360) [9] Li X B,Yang Z Y,Long Z Y. Effects of roasting process on leac￾hing behavior of diaspore ore. Light Met,1987( 4) : 9 ( 李小斌,杨重愚,龙志远. 焙烧过程对于一水硬铝石型铝土 矿溶出性能的影响. 轻金属,1987( 4) : 9) [10] Bi S W,Yu H Y. Alumina Production Technology. Beijing: Chemical Industry Press,2006 ( 毕诗文,于海燕. 氧化铝生产工艺. 北京: 化学工业出版 社,2006) [11] Jin Q H,Dai S S,Huang K M. Microwave Chemistry. Beijing: Science Press,1999: 47 ( 金钦汉,戴淑山,黄卡玛. 微波化学. 北京: 科学出版社, 1999: 47) [12] Wang Y Y,Jin H. Study on microwave roasting of diaspore. Nonferrous Met Extr Metall,2010( 2) : 27 ( 王一雍,金辉. 微波加热预处理一水硬铝石矿的工艺研究. 有色金属( 冶炼部分) ,2010 ( 2) : 27) [13] Wang Y Y,Zhang T A,Chen X,et al. Effects of microwave roasting on leaching behavior of diaspore ore. Chin J Process Eng,2007,7( 2) : 317 ( 王一雍,张廷安,陈霞,等. 微波焙烧对一水硬铝石矿浸出 性能的影响. 过程工程学报,2007,7( 2) : 317) [14] Liu X,Huang F,Zhao P Y,et al. Microcosmic mechanism a￾nalysis on the influence of microwave field on leaching perform￾ance of bauxite. Light Met,2013( 3) : 19 ( 刘学,黄芳,赵平源,等. 微波场对铝土矿溶出性能影响的 微观机理分析. 轻金属,2013( 3) : 19) [15] Huang F,Liu X,Zhao P Y,et al. Research on dissolution per￾formance of roasted bauxite under microwave field. Min Metall Eng,2013,33( 4) : 81 ( 黄芳,刘学,赵平源,等. 微波场焙烧铝土矿的溶出性能研 究. 矿冶工程,2013,33( 4) : 81) · 391 ·
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