A method for extracting silica from coal ash, calcium reinforcing agent for the preparation of

The present invention discloses a method for extracting silica from coal ash, calcium for the preparation of a reinforcing agent, the present invention is extracted through the silicon fly ash, Calcium mixed with the adjuvants, to form a new reinforcing agent, the present invention the reinforcing agent can effectively increase the modulus and hardness of rubber, improve the wear resistance, thermal resistance and flex cracking resistance, permanent deformation of the reduced tearing, efficient use of fly ash, the silicon , effective calcium compound, detected, wherein the extraction rate of 76-85% silicon, 73-80% calcium extraction rate.