El medio ambiente en la minería

EL MEDIO AMBIENTE EN LA MINERIA 190 Table i. Maximum sulphur dioxide emissions from cosl-fired power planta and boilers (159/87). Therma1 input Period Maximum SOZ emiss1ons, of boiler, I'lW. New power plants 50 < P < 150 year P > 150 year Existing power planta P > 200 year Table 8. Maximum nitrogen oxides values for new boilera and power planta (527/91). Main fuel or Fuel effect of Emissions of combustion the boiler or NO., technique gas turbin, mg/MJ NO z p (MW) Coal 50 < P < 150 150 p > 150 50 Domestic fuels 50 < P < 300 150 p > 300 50 Natural gas boiler P > 50 50 gas turbin P > 50 60 Oil boiler 50 < P < 150 120 150 < P < 300 80 P > 300 50 gas turbin 5.0 < P < 300 150 P > 300 60 Table 9. Maximum n1:trogenoxides valll~s f9r. ex~~ting power ami boBer plánts (527j91 ) "'.'i; '.':' " Main fuel or combustion Emissions'of téchnique. nitrogen oxides, .>" mg/MJ NO, Coal burner comhustion wa1l combustion 230 tangencial combustion 180 other techniques 150 Peat bumer combustion 180 other techniques 150 Other domestic fuels 150 Natural gas burner combustion 80 gas turbine 100 OH burner combustion 120 gas turbine 150 mg/MJ 230 140 140 • ~,. 0°,