Abstract Solid waste tailings from acid leaching of Gattar mineralized ore material contain economic and valuable minerals were processed to obtain some economic products. Firstly, these tailings were upgraded to a high‐‑titanium concentrate, which was then roasted with newly used (NaOH/Na2CO3) flux, for which the most suitable conditions for roasting were established. Then, the roasted masses were leached with hot water to selectively dissolve vanadium, silica and alumina leaving titanium in the leach residue (Ti-slag). Vanadium was recovered from the water leachate as a pure by-product. Thereafter, the Ti-slag was subjected to H2SO4 leaching to dissolve Ti, Fe, Mn and Zr. The effects of different parameters for H2SO4 leaching on the dissolution of Ti were determined. Titanium was separated as a pure TiO2 product in a single extraction stage with purity 99.9 wt%. The crystallographic transformations that occurred through the different processes were examined using XRD.

中文翻译：

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方程式第1章第1节“非常规矿产资源碱焙酸浸制备高纯度锐钛矿TiO2的新方法”

摘要 加塔尔矿化矿料酸浸固废尾矿中含有经济、有价值的矿物，经加工得到一些经济产品。首先，这些尾矿被升级为高钛精矿，然后用新使用的（NaOH/Na2CO3）熔剂进行焙烧，为此建立了最适合的焙烧条件。然后，用热水浸出焙烧过的物质以选择性地溶解钒、二氧化硅和氧化铝，在浸出残渣（钛渣）中留下钛。从水浸出液中回收钒作为纯副产品。此后，将钛渣进行 H2SO4 浸出以溶解 Ti、Fe、Mn 和 Zr。测定了不同的 H2SO4 浸出参数对 Ti 溶解的影响。钛在单一萃取阶段作为纯 TiO2 产品分离，纯度为 99.9 wt%。使用 XRD 检查通过不同过程发生的晶体学转变。