| 简介 |
Water is injected into the container, and to a process for heating water 50-80 ° C, the heated water and a binder is added to the process, while stirring the water, a rare earth element or rare earth compound of at least 1 by adding molybdenum powder having an average particle diameter 1-10μm by charging and a process for preparing an aqueous solution containing molybdenum, spray dryer A (rpm) and the number of rotation of the rotating plate, the average grain size of the granulated powder prepd. when A/B 50-700 B (µm) and a spray dryer and which range of molybdenum is applied, the rotating plates is dispersed by the molybdenum, further drying of granulated powder having an average particle diameter and a process for preparing molybdenum, a molybdenum and a method of manufacturing a granulated powder. According to this constitution, the purpose and has an average particle diameter, a rare earth element or rare earth compound is added to the granulated powder of molybdenum can be manufactured with a high yield. |
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