Figure 4From: Lignosulfonate and elevated pH can enhance enzymatic saccharification of lignocellulosesEffect of the application of different SPORL-pretreatment lodgepole pine hydrolysates (spent liquors) produced under different pretreatment durations on SED of SP-BD4. (a) Liquors neutralized using NaOH to 4.8; (b) Liquors neutralized using Ca(OH)2 to 4.8.Back to article page