applicationsautomaticbenefitschemicalchoosingcomprehensivecontinuousefficiencyextractionfullyfutureglassgoldguidejacketedkeyliquidmachinemachinesmetalmetalsneedspracticespreciousprinciplesprocessreactorreactorsrecoveryrefineriesrefineryrefiningrightselectingsettingsolventstirredsystemsystemstanktechniquesultimateunderstandingvalue