This paper presents a process for preparing high purity tungsten trioxide in which Shizhuyuan high molybdenum scheelite concentrates are treated by molybdenum removal and NaHS extraction of tertiary amine, evaporation and crystallization using the autoclave-soda process.
介绍了采用苏打压煮、NaHS除钼、叔胺萃取、蒸发结晶处理柿竹园高钼白钨精矿 ,生产高纯三氧化钨的工艺。
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