Comprehensive utilization study of waste red brick in urban reconstruction

With the progress of the society and the promotion of "three old reconstruction", the output of waste red brick and other construction wastes increases year by year. If not used properly, waste red brick will produce potential harm. For solid waste, the treatment principle is "three": reduction, harmless and resources. Waste red brick is a spatial-temporal displacement of resources, with a wide range of applications, listed as follows: production of building materials, recovery or utilization of the useful components, road and dam, production of agricultural fertilizer and soil improvement, goaf backfill, soil reclamation, and in daily life reuse, etc. The chemical composition of waste red brick includes SiO2, Al2O3 and various other metal oxides. Because of the composition of SiO2 and various metal oxides, waste red brick has been widely used.