Electricity production performance and pH optimization of MFCs using enriched starch-degrading culture.

ABSTRACT: The untreated wastewater from starch production can damage the balance of the aquatic ecosystems. This study enriched a mixed culture (EHN) with electrochemical activity and starch degradation capabilities. EHN exhibited growth across a pH range of 5.5-9.5, with electricity generation performance investigated at different pH levels. At pH 9.0, the maximum current density was 556.83 μA cm^-2, 17.77 and 72.51 times higher than that at pH 7.2 and 5.5, respectively. The maximum power density and voltage at pH 9.0 were 1,499.93 mW m^-2 and 631.00 mV, respectively, higher than those at pH 7.2. Bacillus was the dominant genus at pH 9.0. High-performance liquid chromatography (HPLC) revealed faster starch degradation and acetate production at pH 9.0, attributed to enhanc

SUBMITTER: Gao SC 

PROVIDER: S-EPMC11869523 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature