1. Reijnders L (2005) Disposal, use and treatments of combustion ashes: a review. Resour Conserv Recycl 43:313–336
2. Wang S, Zhang F, Cai Q, Zhu L, Luo Z (2015) Steam reforming of acetic acid over coal ash supported Fe and Ni catalysts. Int J Hydrog Energy 40:11406–11413
3. Feuerborn HJ (2011) Coal combustion products in Europe—an update on production and utilisation, standardisation and regulation. World of Ash Conference, Denver, CO, USA, 9–11 May
4. CEWEP (2018) Confederation of European waste-to-energy plants, Bottom Ash Factsheet, CEWEP, Brussels, Belgium
5. Ashish DK, Verma SK, Singh J, Sharma N (2018) Strength and durability characteristics of bricks made using coal bottom and coal fly ash. Adv Concr Constr 6:407–422