This paper deals with four methods of using ilmenite concentrate in Chengde:1) The direct use of ilmenite for the feedstock of producing titanium dioxide by sulphate process.

• 论述了利用承德钛精矿的途径:直接用作硫酸法生产钛白的原料,电炉法制造酸溶性钛渣,电炉法制造高钛渣和将高钛渣焙烧成人造金红石,酸浸法制造高品位人造金红石。