提出了钠硅渣湿法处理的工业原则工艺流程。
It puts forward principled process flowsheet of the wet treatment with sodium-silicon slag.
研究了用酸浸与钠碱熔融法从钨渣中富集和回收钽铌。
The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.
对于钠系选择性分离富集路线，采用一步调渣法路线难以取得较高纯度的富钛渣。
For the route of selective separation and enrichment with sodium oxide, it is very difficult for one-step route to produce quite pure enriched slag.
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