The solid waste as fly ash, coal gangue, and mining slag can be used as the main raw materials in producing bricks and blocks due to the technological development nowadays. These raw materials are easily attainable and now can be recycled and added new value by comprehensive utilization. Hence, the new wall materials are more environment-friendly and economic-beneficial. For various practical uses, bricks and blocks are made from different combinations of raw materials.

   
 
Fly Ash
Mining Slag
Slag
Gangue

Sand

Stone Powder

Water Slag
Gangue Sand