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本文对采用“锈蚀法”处理低品位钛铁矿（TiO_2<57%）生产一级品人造金红石进行了冶金理论计算与论述,并在工业生产实践中得到验证,证明理论与实践相符。该工艺原设计生产一级品只能采用（TiO_2≥58%）高品位钛铁矿,但国内目前所产钛铁矿均低于57%。文章为挽救该工艺起了重要作用,使该新工艺在中国立了足。并成为重要的工业方法之一。
In this paper, the metallurgical theory calculation and discussion on the production of first-grade synthetic rutile using low-grade ilmenite (“TiO 2” <57%) by the “rust method” are carried out. The results are validated in industrial production practice, which proves that the theory and practice are consistent. The original design and production of the first-class products can only be used (TiO_2 ≥ 58%) high-grade ilmenite, ilmenite currently produced in China are less than 57%. Articles to save the process played an important role in making the new technology in China has made its mark. And become one of the important industrial methods.