1. Li, X., Li, C., Zhou, Q. et al., Interaction of sodium sulfide with silica-containing minerals in sodium aluminate solution, Int. J. Min. Proc., 2015, vol. 137, pp. 9–14.
2. Li, Z.Y., Zhang, N.B., and He, R.D., Research on the new method of desulfurizing in producing alumina with exploitable sulfur-containing and high grade bauxite, J. Guizhou Univ. Technol. (Nat. Sci. Edit.), 2007, no. 2, pp. 29–32.
3. Wang, Y.Y., Zhang, T.A. and Chen, X., Effects of microwave roasting on leaching behavior of diaspore ore, Chin. J. Proc. Eng., 2004, no. 2, pp. 317–321.
4. Zhao, H.Q., Yang, Z.Y., and Liu, H.B., Investigation on kinetics of bauxite’s digestion improved by pre-roasting process, Cons. Utiliz. Miner. Res., 1998, no. 6, pp. 28–32.
5. Lv, G.Z., Zhang, T.A., Zhu, X.F., et al., Calcification–carbonation method for cleaner alumina production and CO2 utilization, JOM, 2014, no. 9, pp. 1616–1621.