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김장호,김옥택,안종수,김종수 동아대학교 환경문제연구소 2001 硏究報告 Vol.24 No.1
Biofiltration was successfully applied to treat amixture of volatile organic compounds(Benzene, Xylene) from contaminated air stream. Immobilized Ps.oleovorans biofilter was evaluated for its value in simultaneous removal of B.X from waste air stream. The variety of operating conditions were tested to evaluated important factors such as space velocity, PH, water content, ect. In the loading rate(1,000ppmv) and space velocity(l,200hr), the average removal efficiencies of B.X. were 39.3% and 30.5% and CO₂ production rate were 6.72 mg/hr, 4.65mg/hr, respectively. Removal efficiency of B.X. mixture was lower than it's each individual at same loading rate. When the concentrations of B.X. mixture were controlled 300ppmv and 900ppmv at two stages reactor, the average outlet concentration were 7.lppmv, 184.5ppmv and CO₂ production rate were 6.04mg/hr, 12.6mg/hr, respectively.
충진탑에서 가스흡수에 의한 물질전달과 수력학적 거동에 관한 연구
최동훈,김재홍,김일배,김옥택,김장호 동아대학교 환경문제연구소 1997 硏究報告 Vol.20 No.1
The use of packed column which apply efficient thermal material separation method has been required for absorption process. Absorption is applicable to waste gas from industrial process and incineration and odor control. Since we have used the lattice packing which was recently discovered in Germany, We can prevent drop of efficiency from maldistribution and channeling which were occurred when we use conventional packing. The lattice packing is efficient within the range of thermal, easy to manufacture, low production cost and make a variety of materials. This study aims to control the waste gas and odor with absorption. The dimension of packed column in which used in experiment is 0.45(d) × 2.0 m(H), and the result of and mass transfer apply to practical industry and environmental protection. The systems adopted for the absorption are Air/Water and NH3-Air/Water. We still cannot apply packed column to the domestic industry and environmental protection and depend on foreign technology, but this study will contribute to the industry and environment.