Fig. 3From: Statistical optimization of waste molasses-based exopolysaccharides and self-sustainable bioelectricity production for dual chamber microbial fuel cell by Bacillus piscisPareto diagram of the fractional factorial design used to select the variables that affect the production of EPS-BP5M (a). Response surface 2D counter plots showing interaction between sugar cane molasses vs. MgSO4 (b), sugar cane molasses vs. inoculum size (c), and MgSO4 vs. inoculum size (d)Back to article page