End-product inhibition and acidification limit biowaste fermentation efficiency
作者： Maraike Probst , Andreas Walter , Gilbert Dreschke , Flavio Fornasier , Thomas Pümpel
DOI: 10.1016/J.BIORTECH.2015.09.055
关键词:
摘要: Converting waste to resource may mitigate environmental pollution and global limitation. The platform chemical lactic acid can be produced from biowaste its liquid fraction after solid-liquid separation. A fermentation step for production prior the conversion of methane organic fertilizer would increase biowaste's value. Despite huge potential promising results treatment procedure, reasons efficiency loss observed previously need addressed in order pave way an up-scaling process. Therefore, was fermented applying pH control, extraction glucose addition counteract such as acidification, end-product inhibition carbon limitation, respectively. competitive compared other renewable substrates reached a maximum productivity >5 g Clactic acidg(-1)Ch(-1) concentration exceeding 30 L(-1). combination acidification identified major obstacle. Lactobacillus crispatus closest relatives were key producers within process using Miseq Illumina sequencing.
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