Degradation of Metal Ions with Electricity Generation by Using Fruit Waste as an Organic Substrate in the Microbial Fuel Cell

Table 2

Recorded degradation efficiency of metal ions in MFC.

Organic substrate	Concentration of metal in chamber (ppm)	Operational days	Degradation percentage of Cr^3+	Degradation percentage of Co^2+	Degradation percentage of Ni^2+
Mango peel extract	100	0	0.00	0.00	0.00
		5	13.53	17.20	15.84
		10	33.45	36.89	35.27
		15	51.00	57.10	58.35
		20	64.82	66.90	67.49
		25	69.21	72.00	70.11