{HEAD ~ An object} of {TAIL ~ the invention} is to provide an effective and economical process for separating ash particles from a mixture of ash and regenerated adsorbent particles contained in an aqueous slurry without increasing the volume of wastewater containing ash particles 
{ HEAD ~ An object } of { TAIL ~ the invention } is to provide an effective and economical process for separating ash particles from a mixture of ash and regenerated adsorbent particles contained in an aqueous slurry without increasing the volume of wastewater containing ash particles
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