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- W2382849475 abstract "In order to provide theoretical foundation for the combination of separation-metallurgy of Ni-Mo ores.X-ray diffraction(XRD) analysis was measured for Ni-Mo crude ores roasted in 800 ℃ atmosphere for 1.5 h,differential thermal(DTA) and thermo gravimetric(TG) analysis of the Ni-Mo ores in air and argon were conducted.Simultaneously,flotation test were conducted for Ni-Mo crude ores and roasted ores.The results show that the organic matter in Ni-Mo ores burns rapidly in the air atmosphere at 300-800 ℃ and DTA curves show a big exothermic peak which indicates that the mass loss rate of the ores is 20%;reactions of volatilization,vulcanization and combination occur in the argon atmosphere,and a small exothermic peak which indicates a mass loss rate of 18% is observed.Decomposition reaction occurs all the time in the air atmosphere at above 800 ℃;while in the argon atmosphere,decomposition reaction stops and combination reaction begins when the temperature is higher than 1 320 ℃.The roasted Ni-Mo ores can be easily floated,with the molybdenum concentrate grade increasing by 0.88% and the recovery by 7.91%,respectively." @default.
- W2382849475 created "2016-06-24" @default.
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- W2382849475 date "2011-01-01" @default.
- W2382849475 modified "2023-09-22" @default.
- W2382849475 title "Influence of heat treatment on enrichment of Ni-Mo black shale ore" @default.
- W2382849475 hasPublicationYear "2011" @default.
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