Research Article

Effectiveness of Charcoal Adsorbent in Flue Gas Filters for PCB Reduction in Smoke from Hospital Incinerators

Table 5

GC-MS analysis results of polychlorinated biphenyl (PCB) samples (μg/L).

PCB18PCB28PCB31PCB44PCB52PCB101CB138CB149CB153CB118CB170CB180

Before filtration0.590.40.40.320.390.190.40.40.561.2300
0.593.143.130.330.40.191.721.723.981.230.280.28
0.562.952.770.330.210.191.661.663.681.370.30.26
0.583.232.210.330.430.191.571.513.961.290.260.23
1.520.660.660.760.510.40.810.810.741.4800
1.533.863.860.760.290.411.91.913.911.480.270.28
1.543.853.840.770.260.411.841.844.071.490.30.28
1.543.873.860.740.280.41.851.8241.480.180.2
Mean S.D1.056252.7452.591250.54250.346250.29751.468751.458753.11251.381250.198750.19125
0.509255411.414691.402940.230020.101550.114980.554890.551971.524910.116670.128330.12135
After filtration0.480.430.430.170.350.120.320.320.290.1800
0.52.732.720.370.290.21.151.153.361.850.140.14
0.482.832.820.370.290.211.161.163.411.130.090
0.482.792.740.360.290.211.181.173.341.1200
1.210.610.610.620.660.30.540.540.510.5900
1.23.533.580.620.660.371.771.773.211.290.220.22
1.193.523.570.630.650.361.781.783.451.20.220.15
1.243.513.50.640.620.381.741.733.981.210.260.18
Mean S.D0.84752.493752.496250.47250.476250.268751.2051.20252.693751.071250.116250.08625
0.3878420151.2662651.2748440.1779040.1845410.0968710.5564170.5551251.4349810.4959680.1095360.09516
Percent reduction19.769.153.6712.90-37.559.6617.9617.5713.4522.4441.5154.90