| 摘要 |
<p>A TiO2 material contains at least 85 wt % of TiO2 as the major component and a total of at most 10 wt % (in terms of element) of impurities such as Li, Be, B, Na, Al, Si, K, Ca, V, Cr, Fe, Co, Cu, An, Sr, Ba and Pb, has a void content of up to 30 vol %, more than 30 to 65 vol %, or more than 65 to 98 vol %, and is lowly wetted with molten metal, alkali metal compound, phosphorus compound, and vanadium compound, thus being used as materials for nozzles, cyclones, heat exchangers, filters, etc.</p> |
