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Behavior of silicon-containing minerals during Bayer digestion ZHAO Qing-jie(赵清杰)1, 2, YANG Qiao-fang(杨巧芳)1, CHEN Qi-yuan(陈启元)2, YIN Zhou-lan(尹周澜)2, WU Zheng-ping(吴争平)2, YIN Zhen-guo(殷...-. Therefore, the desilication of kaolinite in alkaline solution at relatively low temperature is easier. Key words: silicon minerals; alumina; Bayer digestion; aluminate solution; reaction activity......
Calcium Hydroxytitanate in Bayer Digestion ProcessGu Songqing Zhengzhou Light Metal Research Institute Cao Rongjiang General Research Institute for Non-ferrous Metals,Beijing Chen Xinmin Central South University of Technology,Changsha摘 要:<正> Calcium hydroxytitanate formed in Bayer digestion process of chinese diasporic bauxite......
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-mineral is changed that A/S and N/S in the red mud is greatly reduced. Key words: bauxite; calcium ferrite; Bayer process; digestion  .... A method on how to prepare and use a new addition for Bayer process digestion. CN 03121955.1[P]. 2003. [10] ZOLDI J, SOLYMAR K, ZAMBO J, JONAS M K. Iron hydrogarnets in the Bayer process [C]// Proceedings......
during Bayer digestion at high temperatureLI Xiao-bin, LI Chong-yang, QI Tian-gui, ZHOU Qiu-sheng, LIU Gui-hua, PENG Zhi-hong(National Engineering Laboratory for Efficient Utilization of Refractory...; sodium aluminate; Bayer process; reaction behavior; mechanism; digestion......
) Abstract: The digestion experiments of lime Bayer process using diasporic bauxite from Guizhou Province with low and medium grades (alumina-silica ratio is 5.48) were completed. The influences of lime amount... for digestion of lime Bayer process is as follows: lime amount is 10% to bauxite, proportioning molar ratio is 1.45, spent liquor’s caustic soda mass concentration is controlled to about 200 g/L......
grossular; hematite; dissolved organic compounds; settling performance; simulated bayer digestion 1 Introduction The alumina industry in China has developed rapidly in the last decades, and the Bayer...]. On digestion of this bauxite in the Bayer process, 50%-90% of the organic compounds may be extracted into the Bayer liquor as dissolved organic compounds. The dissolved organic compounds may......
of about 65% and 95%, respectively, while SiO2 was barely leached out. To validate the superior digestion property of sodium aluminosilicate generated via an actual process, the Bayer digestion...Alkaline digestion behavior and alumina extraction from sodium aluminosilicate generated in pyrometallurgical processBo-na Deng,Guang-hui Li,Jun Luo,Jing-hua Zeng,Ming-jun Rao,Zhi-wei Peng,Tao......
Trans. Nonferrous Met. Soc. China 27(2017) 2715-2726 Transformation of hematite in diasporic bauxite during reductive Bayer digestion and recovery of iron Xiao-bin LI, Yi-lin WANG, Qiu-sheng ZHOU...: The reductive Bayer digestion by using iron powder as reductant is proposed to convert hematite to magnetite and further to dissociate iron minerals from sodium aluminosilicate hydrate (desilication......
, Central South University, Changsha 410083, China) Abstract: The effect of anatase on the digestion performance of alumina was investigated under various Bayer digestion conditions as well... Z. Behavior of titanium minerals in the titanium-rich Indian bauxite during its digestion by Bayer's process[J]. Technical University of Heavy Industry B, 1979, 34(1): 43-63. [4] AUTHIER-MARTIN M......