Treatment of Resorcinol and Phenol Bearing Waste Water by Simultaneous Adsorption Biodegradation (SAB): Optimization of Process Parameters

In the present paper the observations on the simultaneous adsorption biodegradation (SAB) of resorcinol and phenol from two separate synthetic wastewater samples have been reported. For SAB, immobilization of Pseudomonas putida MTCC 1194 on granular activated carbon (GAC) has been done. The optimum process parameters like adsorbent dose, particle size of GAC, and pH have been determined experimentally by calculating percentage removal. The optimum process parameters have also been verified by the theoretical model of Weber and Morris (1963). Under the experimental conditions at 28 degrees Celsius the optimum process parameters are noted as adsorbent dose = 10 g/l, GAC particle size = 2- 4 mm and pH = 6.24. The isotherm studies of these processes have been done. Adsorption studies have also been done separately for both the compounds for comparing the efficiency of SAB over adsorption.

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