PERFORMANCE ANALYSIS OF ROTATING BIOLOGICAL CONTACTOR WITH POLYPROPYLENE AND WOOL MEDIA

Chemical waste water from the Caprolactum plant of Fertilizers and Chemical Travancore Limited (FACT) was chosen for the treatment using Rotating Biological Contactor with polypropylene and wool as bio media. A single stage reactor with a total media surface area of 0.24m2 was used. The detention time for each batch of treatment was selected as 3 days. The analysis was done based on the tests conducted on COD, ammonical nitrogen, pH and TSS for each batch. The analysis was done in a COD range of 500-2000 mg/L and a COD removal efficiency of 54% to 76.7% removal efficiency was observed. The study on ammonical nitrogen, TSS and pH reveals that the effluent must be further subjected to denitrification, sedimentation and pH neutralization respectively before disposal.