Toachieveagoodandstronginteractionamongsand,ligninandchar,itis necessarytoincreasetheforcethatthehotsandhastogetthesolidbiochar particledestroyng(lighterthanthesand,sofloatingaboveitduring fluidization).Inabatchsystem(mechanicalfluidizedreactor)themechanical blades’agitatorhadenoughforcetodestroythemreachingagoodmixing.In ordertohavethesameresults,aswirling(internal)multipleattritionjetshave beenadopted,anditwaspartiallyabletodestroypartofthespongefoam solidchar.Solutionthatiseveneasilyscalableup.Inthiscaseisstrictly necessarythefeedinglineinthebottomofthebed(withacooledsystem).