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- W2384373977 abstract "Potassium perrhenate was prepared by the method of solidification roasting of molybdenum concentrate and slaked lime-rhenium leached by diluted sulfuric acid-alkaline anion absorbed by 201# exchange resin-eluted by ammonium thiocyanate-concentrated crystallization.Through the exploring experiment,the optimal experimental condition was determined,among which the optimal one for roasting experiment is the ore proportioning as 1∶1.6,the roasting temperature as 650℃ and the roasting time as 2h,and for the leaching experiment the leaching temperature as 80℃,the dosage of sulphur acid as 14%,the leaching time as 4h and the ration of liquid to solid as 5∶1.Under this condition,the total recovery of molybdenum and rhenium was 89.43% and 91.23% respectively.With the simple flowsheet,feasible technology,high-quality products and little environmental pollution,this technology has guiding significance for this kind of production.At the same time,it improves resource utilization rate and also the economic benefits." @default.
- W2384373977 created "2016-06-24" @default.
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- W2384373977 date "2011-01-01" @default.
- W2384373977 modified "2023-09-25" @default.
- W2384373977 title "Technological Research on Recovering Rhenium from Molybdenum Concentrate Using Solidification Roasting-Exchange Resin Method" @default.
- W2384373977 hasPublicationYear "2011" @default.
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