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Medical Waste Management in Pondicherry Region - International ...

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Bio – <strong>Medical</strong> <strong>Waste</strong> <strong>Management</strong> <strong>in</strong> <strong>Pondicherry</strong> <strong>Region</strong>: A Case StudyTable 2: Materials used for dis<strong>in</strong>fection of the sampleSl.No.Details of materials usedQuantity1 Sampled BMW 3 Kg2 Neem leaves extract 100 ml3 Tobacco leaves extract 50 ml4 Water added dur<strong>in</strong>g dis<strong>in</strong>fection process 6 lTable 3: Chemical characteristics of raw waste (BMW):Sl.NoPARAMETERSVALUE1 Moisture content (%) 20 – 302 Total Solids (mg/l) 890003 Volatile solids (mg/l) 768004 Electrical Conductivity (µs/cm) 191.25 COD (mg/l) 92006 Alkal<strong>in</strong>ity (mg/l) 82207 Bacterial colony count (CFU/ml) 28 x 10 9Table 4: Variation of monitor<strong>in</strong>g parameters of the sample with detention time us<strong>in</strong>g‘neem’ extractSl.No.Detentiontime (hrs)COD(mg/l)TS(mg/l)VS(mg/l)1 3 8950 74800 685102 6 7502 60100 519873 9 6020 49240 460254 24 3280 44670 431905 27 3000 39104 352356 30 2730 36300 321937 48 1080 32382 279548 51 914 28198 245209 54 768 25005 2264710 72 315 20524 1998511 96 202 17880 1572012 120 160 14200 11340BacterialColonyCount(CFU/ml)EC(µs/cm)Alkal<strong>in</strong>ity(mg/l)28x10 8 175.8 650182x10 7 140.9 574278x10143.2 350442x10 6 123.3 31248x10 6 93.2 284265x10 5 87.4 181218x10 5 80.2 191555x1071.7 124186x10 4 64.9 95442x10 4 52.6 6485x10 4 42.1 4205x10 3 30.8 327Table 5: Variation of monitor<strong>in</strong>g parameters of the sample with detention time us<strong>in</strong>g‘tobacco’ extract solutionSl.No.Detentiontime (hrs)COD(mg/l)TS(mg/l)VS(mg/l)1 3 8250 74500 692002 6 7300 66000 663003 9 5520 49250 552504 24 3050 36300 423555 27 1080 33205 330306 30 824 30310 300007 48 529 28020 26245Bacterialcolony count(CFU/ml)12x102 x1087656x10536x10EC(µs/cm)Alkal<strong>in</strong>ity(mg/l)175.8 6040140.9 5120131.2 3850110.3 300012x10 5 91.2 211548x10 4 82.4 1718.546x1065.2 108078

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