| 摘要 |
<p>PCT No. PCT/AU92/00435 Sec. 371 Date Mar. 16, 1994 Sec. 102(e) Date Mar. 16, 1994 PCT Filed Aug. 19, 1992 PCT Pub. No. WO93/04206 PCT Pub. Date Mar. 4, 1993.A process for producing a titanium product, which process includes: providing a titanium-containing material; and a leaching composition including: a source of ammonia or ammonium ions; a source of carbon dioxide or carbonate ions; and water; and contacting the titanium-containing material with the leaching composition to form an aqueous slurry for a time sufficient such to form a soluble titanium leach product; and isolating a leaching solution containing the titanium leach product so formed.</p> |
