Enhanced bioelectricity recovery and melanoidin degradation in CO2- capturing microbial fuel cells via biochar-immobilized whole-cell biocatalysts
A laboratory system combined empty-fruit-bunch biochar, laccase-producing microbes, a microbial fuel cell and microalgae. It reported 73.15% melanoidin removal, maximum open-circuit voltage of 619.17 mV and carbon fixation of 0.13 g/L/day, without inhibiting rice-seed germination. The integrated concept is promising but not yet validated in full-scale real wastewater.