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A FTIR STUDY OF DISSOLUTION AND PRECIPITA-TION OF SILICA IN BAYER PROCESS龚文琪Wuhan University of Tecnology摘 要:<正> A quantitative Fourier transform... , the process of dissolution and precipitation of silica was found to occur in three stages. In the first stage, there was no precipitation of desilication product (DSP). All the silica dissolved from......
pressure reaches 1.0 MPa, more than 98% of S2- is oxidized to SO42-. Key words: wet oxygen oxidation; Bayer process; sodium aluminate solution; desulfurization 由于硫在拜耳法生产中的铝工矿中造成Na2O的质量损失,而且溶液中的硫层使钢材受到.... Study on variation rule of iron in the aluminate solution after digestion process at high temperature by bayer process[J]. Mining and Metallurgical Engineering, 2007, 27(5): 38-40. [4] 陈文汨, 陈学刚, 郭金权......
类号:TF802 文献标志码:A 文章编号:1672-7207(2015)07-2398-07 Bayer red mud sintering process...(Fe2O3)/n(Al2O3 ) in the red mud sinter is 0.3. Key words: Bayer red mud; sintering process; iron mineral; reduction 随着我国氧化铝工业的快速发展,铝土矿消耗量大且增长迅猛,国内优质铝土矿资源已日渐枯竭,经济高效地利用我国大量存在的高铁高硅中低品位铝土矿对我国氧化铝工业的安全可持续发展具......
calculation analysis. Key words: red mud; Bayer process; iron recovery; building materials; comprehensive utilization  ...]. Waste Management, 2001(21): 525?534. [8] PIGA L, POCHETTI F, STOPPA L. Application of thermal analysis techniques to a sample of Red Mud-a by-product of the Bayer process-for magnetic separation[J......
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percentage reaches above 90% after reaction of 1 h under the Bayer process. The iron-hydroxyl complexes are generated firstly by the reaction of OH- of sodium aluminate solution and Fe2+ of the pyrite surface...; sodium aluminate; Bayer process; reaction behavior; mechanism; digestion......
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→sodalite. Key words: Bayer process; desilication; sodium aluminate solution; zeolite; sodalite 1 Introduction The bauxite ores for the alumina extraction mainly comprise Al-, Si-, Fe-, Ti-containing minerals as well as lots of trace element minerals [1]. Among all the impurity minerals, the Si-containing minerals are considered to be the most harmful during the Bayer digestion process, in which......
Electron probe microanalysis for revealing occurrence mode of scandium in Bayer red mudNa Zhang1,2,Hong-Xu Li1,2,Hui-Jing Cheng3,Xiao-Ming Liu1,21. School of Metallurgical and Ecological Engineering... of Advanced Metallurgy, University of Science and Technology Beijing摘 要:Red mud is a bauxite residue generated during the process of alumina production......
than others. Key words: new flocculants; Bayer process; Chinese diaspore bauxite; red mud settlement  ...): 37-40.GONG Bin, SONG Lian-peng, LI Tao. Prepara tion of a new flocculant and its influence on settling behavior of red mud in bayer process[J]. Conservation and Utilization of Mineral Resources, 2007(2......