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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2001.12
- 수록면
- 191 - 195 (5page)
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초록· 키워드
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The catalytic effect of waterworks sludge on NO, removal in BaTiO₃ pellets and sludge pellets combined packed-bed plasma reactor with plate-plate electrode geometry is measured for the various conditions. Three types of reactors are tested depending on the combination methods of BaTiO₃ and sludge pellet. Type-I reactor is one stage filled with BaTiO₃pellet and type-2 is two stages filled with BaTiO₃ pellet at upstream and sludge pellet at down stream of reactor, the volume ratio of them is 50 to 50[%). In type-3 reactor, sludge pellet is located at downstream of 100[mm] from BaTiO₃ pellet. Flow rate of mixed gas of NO and air is fixed at 5[1/min), initial NO concentrations are 50,100, and 150[ppm], and gas temperature is changed from room temperature to 100[℃]. Sludge pellet is heated at the temperatures of 400,500, and 600[℃] with flowing Argon gas in vacuum heater for removing organic compounds included in sludge.
NOx removal rate is about 90[%] at BaTiO₃-sludge combined reactor used fresh sludge. NO₂ and O₃ as byproducts are significantly generated in only BaTiO₃ packed-bed plasma reactor. however, in BaTiO₃-sludge combined packedreactor. NO₂ and O₃ are completely removed while CO₂ as by-products are observed from FTIR spectra. NO₂ and O₃ seem to react with metallic molecules, metal oxides, and organic compounds that are generally chlorophyll included in sludge. NOx removal rate increases with increasing O₂ concentration and removal rates of NO₂ and O₃ are independent on operating time and repetition measurement times. When sludge is heated at the temperature of 400. 500, and 600[℃], NOx removal rate decreases with increasing temperature.
NOx removal rate is about 90[%] at BaTiO₃-sludge combined reactor used fresh sludge. NO₂ and O₃ as byproducts are significantly generated in only BaTiO₃ packed-bed plasma reactor. however, in BaTiO₃-sludge combined packedreactor. NO₂ and O₃ are completely removed while CO₂ as by-products are observed from FTIR spectra. NO₂ and O₃ seem to react with metallic molecules, metal oxides, and organic compounds that are generally chlorophyll included in sludge. NOx removal rate increases with increasing O₂ concentration and removal rates of NO₂ and O₃ are independent on operating time and repetition measurement times. When sludge is heated at the temperature of 400. 500, and 600[℃], NOx removal rate decreases with increasing temperature.
목차
Abstract
1.Introduction
2.Experimental set-up
3.Experimental results and discussion
4.Conclusions
Acknowledgements
References
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