Fig. 1From: Review and perspectives of enhanced volatile fatty acids production from acidogenic fermentation of lignocellulosic biomass wastes(based on search results in Scopus database)Number of annual publications from 2010 to 2020 on “anaerobic digestion”, “volatile fatty acid OR acidogenic fermentation”, “volatile fatty acid OR acidogenic fermentation AND (food waste OR sludge)” and “volatile fatty acid OR acidogenic fermentation AND lignocellulos*”Back to article page