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312  Decision Making Applications in Modern Power Systems



              TABLE 12.7 Typical emissions of an engine heavy fuel oil (HFO).
              Typical emissions from a motor  U      7% mg/m 3   3% mg/m 3
              HFO (MAN 1)                   original
                                3
              Particulate material (mg/m )  156.65   156.65      201.407143
                            3
              Sulfur dioxide (mg/m )        287.42   287.42      369.54
                          3
              % Oxygen (mg/m )              13.7     179,304.703  230,534.619
                              3
              Nitrogen dioxide (mg/m )      315.07   315.07      405.09
              Carbon dioxide (CO 2 )% to mg/m 3  5.5  98,977.5051  127,256.792
                                     3
              Carbon monoxide CO (ppm mg/m )  66.66  76.3386503  98.1496933
                                3
              Nitrogen monoxide (mg/m )     1167     1167        1500.42857
                                        3
              Nitrogen oxides (NO x as NO 2 ) (mg/m )  1843  1843  2369.57143
              Total hydrocarbons (C x H y ) from the %  0.03  588  756
                  3
              (mg/m )







                       TABLE 12.8 Emissions in the different systems of
                       units.
                                                   3
                       Gas                    mg/m ppm
                       CO                     1.25
                       At the                 1339
                       NO 2                   2054
                       NO x (as NO 2 )        2054
                       SO 2                   2857




            O REF is the oxygen reference, that is, it is noted as the measurements, O MED
            is the average oxygen during measurements.
               It was necessary to establish the same system of units for some values as
            presented in Table 12.8.
               For the engine emissions to index HFO, the plant was carried out simi-
            larly to the gas engine, that is, measurements were carried out in the chimney
            values of engines of different pollutants and statistically processed results.
            With the average values, emission index for each motor HFO plant was
            calculated, shown in Fig. 12.3.
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