Extrusion process for proppant production
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United States of America Patent
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Jan 9, 2018
Grant Date -
Mar 24, 2016
app pub date -
Nov 24, 2015
filing date -
Jan 25, 2011
priority date (Note) -
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Abstract
An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants.
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