Page 341 - Materials Chemistry, Second Edition

L1644_C08.fm Page 309 Tuesday, October 21, 2003 3:03 PM

TABLE 8.2
Vehicle Emission Factors during Collection and Transport a
Flow During collection During transport

Ammonia (NH 3 ) 1.2 0.5
Carbon dioxide (CO 2 ) 306,240 132,000
Carbon monoxide (CO) 1,983 855
Methane (CH 4 ) 19 8
Nitrogen oxides (NO x ) 4,420 1,905
Nitrous oxide (N 2 O) 131 57
Non methane hydrocarbons 726 313
Particulates 415 179
Sulfur oxides (SO x ) 88 38
a Grams per 100 km.

TABLE 8.3
Main Biogas Air Emissions of MHSW a

Flow Biogas free discharge Biogas combusted in flare
Carbon dioxide (CO 2 , biomass) 126,977 199,150
Carbon monoxide (CO) 73.8 89.4
Hydrocarbons (CxHy) 176.3 97.0
Methane (CH 4 ) 39,332 —
Nitrogen oxides (NO x ) — 10.6
Sulfur oxides (SO x ) — 3.7
a Grams per tonne.

TABLE 8.4
Main Leachate Composition of MHSW a

Flow Leachate free discharge
Ammonia (as N) 280.4
BOD 5 (biochemical oxygen demand) 1224.6
Chlorides (Cl ) - 1010.4
Metals 149.6
3-
Nitrate (NO ) 1.4
2-
Nitrite (NO ) 0.3
Phosphates (as P) 0.3
+
Potassium (K ) 345.1
+
Sodium (Na ) 618.7
2-
Sulphates (SO 4 ) 117.2
a Grams per tonne.
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