Results from the study, concentrations of phenol degradation start addresses that the concentration from 100 mg/l to 1000 mg/l as shown in the image at a certain percentage of degradation increased from 92.68% to 98% when the initial concentration of phenolic compounds is growing from 100mg/l as 600mg/l and the percentage degradation of phenolic compounds will decrease from 96.5% to 89% when the concentration of phenolic compounds is growing from 700mg/l as 1000mg/l. It can be seen that in the process of degrading phenol. The microorganisms will grow well at concentrations of phenol latam. If the concentration of phenol 300 mg/l that lasu will result in the rate of growth of microorganisms decreases, but in the opposite direction. If the concentration of phenol latam Phenol degradation rate will rise, and the degradation rates of phenol will be decreased when concentrations increase due to inhibition of microorganisms.
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