Fig. 1From: New efficient meta-fermentation process for lactic acid production from municipal solid wasteTime-course curves concentration (mg/kg) of lactic acid and the main carboxylic acids generated during OFMSW fermentation for the different feeding strategies Nr.1 to 8 (*: With pH-Adjustment at 7 once a day; **: Without pH-Adjustment), 36 L-digesterBack to article page