El medio ambiente en la minería

189 MATTI KOPQNEN Table 3. Maximum partiele emissions for existing power plants (the aims). Main fuel Thermal input Maximum partieulate of a boilar, emissions, MW t mg/MJ Oomestie fuels 5 < P < 10 300 or hard coal 10 < P < 30 120 30 < P < 50 60 Oi1 5 < p < 10 120 10 < P < 50 75 Table 4. Maximum sulphur eompound emissions from sulphate pulp milIs (160/87). Maximum sulphur compound emissions, kg/pulp tonne New milIs 4.0 Existing milIs 6.0 Table 5. Maximum sulphur compound emissions from oil refineries (889/87). Refineries, Maximum sulphur e..'llissions, Mt/a % of sulphur in rawmaterial <3 12 >3 8 Table 6. Maximum sulphur dioxide emissions from power plants using heavy fuel oil (890/87). Period Maximum S02 emissions, mg/MJ South Finland year 500 y Rest of Finland year 1350 /