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Vanadium–titanium magnetite is an important ore resource, of which there are abundant reserves in China, especially in the Panxi area, which account for more than 90% of China’s reserves.1,2) During the ironmaking process, vanadium–titanium magnetite is commonly used as a raw material for extracting iron. After smelting in a blast furnace, most of the titanium is transferred to slag, referred to as Ti-bearing blast furnace slag. More than 3 million tons of Ti-bearing blast furnace slag is produced annually, with a total accumulation of more than 7 million tons in China.3–5) The accumulation of titanium slag not only wastes valuable titanium resources but also occupies a large amount of land and seriously pollutes the environment. Since the titanium components in blast furnace slag are mainly dispersed in the mineral phase, such as perovskite, carbon (nitrogen) titanium, and a small amount of spinel and diopside,6–8) this makes it considerably difficult to extract Ti from blast furnace slag. Presently, the utilization rate of titanium in Ti-bearing blast furnace slag is low. Therefore, new economical and efficient methods of treating Ti-bearing blast furnace slag are of great significance for the comprehensive utilization of titanium-bearing slag. Modifiers are normally added to blast furnace slag, which can affect the precipitation, growth, and morphology of crystals in molten blast furnace slag. Much research has been Effect of B2O3 on Structure of CaO–Al2O3–SiO2–TiO2–B2O3 Glassy Systems

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Effect of B&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; on Structure of CaO–Al&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;–SiO&lt;sub&gt;2&lt;/sub&gt;–TiO&lt;sub&gt;2&lt;/sub&gt;–B&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; Glassy Systems