Fig. 4From: A novel inverse membrane bioreactor for efficient bioconversion from methane gas to liquid methanol using a microbial gas-phase reactiona Photo of the bioreactor with a 25Â mL gas chamber. b Schematics of the IMBR with a 25Â mL chamber. c Time courses of the concentration of exhausted CH4 in the IMBR with two sizes of the gas chamber, 2.5Â mL and 25Â mLBack to article page