本文概要地总结了用工业盐酸和稀盐酸直接浸取攀西钛铁矿的试验研究情况。对TiO_2≥46％的钛铁矿,无论采用常压(盐酸浓度≥25％)或加压工艺(盐酸浓度20％左右),反应6～7小时,均能制得TiO_288～94％,MgO+CaO<1％的人造金红石。 本文对钛,铁及其它杂质在酸浸过程中的行为也作了简要的叙述。其中,对含磷较高的(P>0.03％)钛铁矿,在浸取时磷的有害影响及其消除措施叙述较为详细。 This article summarizes the experimental study on the direct leaching of ilmenite from industrial hydrochloric acid and dilute hydrochloric acid. For ilmenite with TiO_2 ≥46%, TiO_2288 ~ 94%, MgO + Mg_2O_3 can be obtained no matter using atmospheric pressure (hydrochloric acid concentration ≥25%) or pressure process (hydrochloric acid concentration about 20% Artificial rutile with CaO <1%. In this paper, titanium, iron and other impurities in the acid leaching process also made a brief description. Among them, the higher the phosphorus (P> 0.03%) ilmenite, the harmful effects of phosphorus in the leaching and elimination of measures described in more detail.