Food wastes, biochar, magnesium modification, nutrient removal, Kinetics
biochar, waste valorization, ORR, OER, ZAB, Zn-air battery
Biochar, Olive Tree Twigs, Spent Malt Rootlets, Zn-air batteries
hydrogen peroxide, Photocatalytic fuel cell, supercapacitor, Biochar, spent malt rootlets