1. A. Dwivedi and J.M. Kumar, Recent Res. Sci. Technol. 6, 30 (2014).
2. T.G. Cherkasova, E.V. Cherkasova, A.V. Tikhomirova, A.A. Bobrovnikova, A.V. Nevedrov, and A.V. Papin, Bull. Kuzbass State Tech. Univ. 6, 185 (2016).
3. E. Roth, M. Macala, R. Lin, T. Bank, R. Thompson, B. Howard, Y. Soong, and E. Granite. 2017 World of Coal Ash Conference in Lexington, May 9 (2017).
4. A.U. Akhmedyanov, K. Kirgizbaeva, and G.I. Turekhanova, Tech. Sci. Min. Eng. 10, 1 (2018).
5. S.V. Patil, S.C. Nawle, and S.J. Kulkarni, Int. J. Sci. Eng. Technol. Res. 2, 1669 (2013).