Influence of aeration on bioethanol production from ozonized wheat straw hydrolysates using Pichia stipitis

► Aeration increased the efficiency of ethanol production by Pichia stipitis. ► An adequate level of aeration led to better xylose utilization on model substrates. ► Ozonized wheat straw hydrolysates were effectively fermented by Pichia stipitis. ► Oxygen supply in ozonized hydrolysates reduced fermentation time. ► Aeration increased ethanol production in ozonized wheat straw hydrolysates.