Patent ID: 8268073

Claim:
A method for making a cement comprising: providing one or a plurality of healthcare materials to a burnable fuel supply subsystem of an integrated cement production system to form a burnable fuel, where the healthcare materials include a complex mixture of components including metal materials or metallic materials selected from the group consisting of aluminum, aluminum alloys, iron, iron alloys, nickel, nickel alloys, tin, tin alloys, copper, copper alloys, and mixtures or combinations thereof, and where the burnable fuel includes from about 1 wt. % to about 10 wt. % the metal materials or metallic materials; feeding the burnable fuel to a kiln subsystem of the cement production system; and combusting the burnable fuel in the kiln subsystem of the cement production system, where the burnable fuel provides heat and ash, where the ash combines with cement raw materials to form a cement clinker composition.