Efficiency Enhancement of the Single Line Multi-Stage Gasification of Hungarian Low-Rank Coal: Effects of Gasification Temperature and Steam/Carbon (S/C) Ratio - Thuan Duc Mai; Tamás Koós; Emese Sebe; Zoltán Siménfalvi; András Arnold Kállay (Energies, Vol 16, Iss 11, p 4427 (2023, 2023)