Waste products are useful
When coal, oil, biomass and waste is burned a lot of minerals and waste products emerge. Products such as fly ash, bottom ash, plaster and cinder.
- Fly ash is used for concrete and cement.
- Bottom ash is used for isolation and concrete blocks.
- Plaster is used for gypsum boards and cement.
- Bio ash is used as fertilizer in the farming industry.
- Cinders is used as a replacement for sand and gravel in the building industry.