Fig. 3

Growth pattern of a Acinetobacter sp. ZnB2, b Arthrobacter sp. ZnC1, c Acinetobacter sp. ZnE3 on SEO in the presence of different concentrations of Zn²⁺ ( No metal, 100 μg mL⁻¹, 600 μg mL⁻¹, 300 μg mL⁻¹) and, d quantity of SEO degraded over a period of 7 days