A method for producing a proppant, a proppant-producing apparatus, a proppant-forming method, and a proppant-forming system describes an extrusion method and apparatus for ceramics, glass, glass ceramics, or composites for use as proppants. The method includes forming one or more green body materials comprising reactive material materials, reinforcements, pore formers, fluxing agents, or any combination thereof, extruding the one or more green body materials to form an extruded green body, separating and shaping said green body extrudate into individual green bodies, and sintering said green bodies for propensities. the apparatus includes a means for forming an intimate mixture of one or more green body materials, a means for producing a green body extrudate, a means for separating and shaping said green body extrudate into individual green bodies, and a means for sintering said green bodies to form advertisers.
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