METHOD OF PRODUCING POROUS AGGREGATE Russian patent published in 2013 - IPC C04B20/10 

FIELD: chemistry.

SUBSTANCE: invention relates to production porous aggregates for concrete. In the method of producing porous aggregate, which involves preparation of a ceramic casting mixture, immersing porous particles into the mixture, holding said particles in the mixture for 5-60 minutes, followed by drying and firing, the particles used have size of 10-70 mm and are obtained from grinding foam glass processing wastes.

EFFECT: obtaining an aggregate having high adhesion to hardened cement paste.