{HEAD ~ An object} of the invention is to provide {TAIL ~ 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 
is to provide
{ HEAD ~ An object } of the invention is to provide { TAIL ~ 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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