Research Progress on Treatment of Non-standard Molybdenum Concentrate
Received:April 30, 2024   Revised:June 12, 2024   Accepted:June 13, 2024      Published Online:September 11, 2024
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DOI:doi:10.3969/j.issn.1007-7545.2024.10.002
KeyWord:non-standard molybdenum concentrate; molybdenite; pressure oxidation; research progress
              
AuthorInstitution
WANG Yufang 矿冶科技集团有限公司
JIANG Kaixi 矿冶科技集团有限公司
QIN Shuchen 矿冶科技集团有限公司
GUO Zong 矿冶科技集团有限公司
LI Da 矿冶科技集团有限公司
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Abstract:
      Molybdenum is one of the important strategic metals, which is major produced from molybdenite with roasting process in production to yield MoO3 or ammonium molybdate. For the low molybdenum grade and high impurity contents of the non-standard molybdenum concentrate, which will cause the sintering during roasting, decrease the recovery of metals and cause pollution of environment. The main treatment methods of non-standard molybdenum concentrate were reviewed, which can be divided into two categories: concentrate purification and concentrate smelting. The extraction methods include roasting, atmospheric leaching and pressure oxidation technology etc. The pressure oxidation technology has a brilliant prospect for the advantages of high comprehensive recovery of copper, molybdenum and rehenium, strong adaptability of raw materials and no output of SO2 to pollute the environment in the process, which has a strong industrial application prospect.
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