Fig. 3From: Continuous production of biohythane from hydrothermal liquefied cornstalk biomass via two-stage high-rate anaerobic reactorsCarbon and energy recovery in the different conversion processes. a HTL and single-stage batch fermentation, b HTL and single-stage continuous fermentation, c HTL and two-stage batch fermentation, d HTL and two-stage continuous fermentation, e single-stage fermentation, and f two-stage fermentationBack to article page