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석광설,홍지형,이석조,이대균,김대곤,박지현 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.2
The emission characteristics of mercury in waste incinerators were investigated to get basic data for the policy development on the emission reduction of mercury (Hg). For the study several important factors were analysed from 4 incinerators such as mercury concentration, emission factors and removal rate for control devices. The results are listed below. Mercury concentrations in the flue gas were 0.39∼5.96㎍/S㎥ in MWI and 2.5∼8.8㎍/S㎥ in IWI. The distributions of gaseous and particulate mercury in flue gas were above 99% and below 1%, respectively. Therefore, in order to remove mercury effectively, it is important to control the gaseous mercury. Mercury concentrations in fly ash collected from control device were found as 16.2∼35.6 mg/kg-ash in FF of MWI. Also mercury concentrations at the front and hack point of control device of MWI were 33.45∼62.65 ∼g/S㎥ and 0.88∼3.49㎍/S㎥, respectively. Emission factors were estimated as 3.67∼11.67mg/ton in FF, 2.6∼24.5 mg/ton in MWI with SNCR, SDR and FF, 54.9∼192.7mg/ton in IWI with Cyclone and FF. Emissions from Municipal Waste Incinerator were found both in minimum and maximum ranges. Annual mercury emissions emitted from MWI was estimated as 20.0kg (6.0∼33.9 kg).
석광설,방선애,홍지형,이석조,김대곤,이대균,허정숙,이은정 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.4
The purpose of this study is 10 estimate of emission factors of the air pollutants for the melting furnaces for the iron and steel industry. The result of this study is able to obtain the emission factor of particulate matters (PM), sulfur dioxide, nitrogen oxides for melting furnace. The emission factors of each pollutants were as follows: - the emission factor varied between 6.13E-03 ∼ 6.12E-01kg/ton for PM - 1.59E-01 ∼ 2.45E+00kg/ton for S0₂ - 6.82E-02 ∼ 6.88E-01kg/ton for NOx, respectively. Analysis of the differences in the emission factors of ours and U.S. EPA's yielded the following results for the Wilcoxon method: p>0.05. The statistical analysis showed no differences in the our emission factors and U.S. EPA's