| 摘要 |
<p>Process for beneficiating anatase titanium dioxide ore comprising: (a) contacting the ore with an aqueous solution of a mineral acid having a concentration of about 3-30 percent by weight, said contacting taking place at a temperature of about 160-300 degrees C, until the desired amount of impurities are solubilized and a leachate is formed, and (b) removing the leachate from the product of step (a).</p> |
