Options for processing of high silica bauxites
This paper reviews the options for processing high silica bauxites within the general framework of the Bayer process. Options are described in terms of three categories; (1) Reduce the input of reactive silica, (2) Modify the process to produce a lower soda residue and (3) Recover soda from DSP by re-processing residue. Different approaches are often bauxite specific. One of the more general beneficiation options - the roast-leach process (sometimes called thermo-chemical activation) is critically examined and advancements in the fundamental understanding of this process, particularly the nature of the silica produced, are presented.
bauxite beneficiation silica roasting, activation
Peter Smith Bingan Xu- Parker
CSIRO Light Metals Flagship (CS1RO Process Science and Engineering) and Parker CRC for Hydrometallurgy PO Box 7229, Karawara, WA 6152, Australia
国际会议
XVIII International Symposium of ICSOBA(第18届国际铝土矿、氧化铝及铝工业学术年会)
郑州
英文
184-192
2010-11-25（万方平台首次上网日期，不代表论文的发表时间）