Research on preparation of wall bricks using oil shale waste

Through analyzing the chemical compositions of the oil shale waste,this paper studies the possibility of using oil shale waste to produce non-fired and non-steamed wall bricks.Then,experimental studies are made on aspects of raw material formula and extrusion process parameters,and wall bricks are prepared successfully with oil shale waste and fly ash by extrusion molding method,creating an effective way for resource recovery of oil shale waste.