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A Study on Emission Reductions of Diesel Engine Using Plasmatron Fuel Converter
Ho-Beom Ki(기호범),Bong-Soo Kim(김봉수),Yong-Hwan Kwak(곽용환),Woo-Hyung Kim(김우형),Won-Kyung Lim(임원경),Jae-Ou Chae(채재우) 한국연소학회 2006 KOSCOSYMPOSIUM논문집 Vol.- No.-
Improvements in internal combustion engine and aftertreatment technologies are needed to meet future environmental quality goals. Plasmatron fuel converters provide a rapid response, compact means to transform a wide range of hydrocarbon fuels (including gasoline, natural gas and diesel fuel) into hydrogen-rich gas. Hydrogen-rich gas can be used as an additive to provide NOx reductions of more than 80% in diesel engine vehicles by enabling very lean operation or heavy exhaust engine recirculation. For diesel engines, use of compact plasmatron reformers to produce hydrogen-rich gas for the regeneration of NOx absorber/absorbers and particulate traps for diesel engine exhaust after-treatment could provide significant advantages. Recent tests of conversion of diesel fuel to hydrogen-rich gas using a low current plasmatron fuel converter with non-equilibrium plasma features are described.
김우형(Woo-Hyung Kim),김봉수(Bong-Soo Kim),한상원(Sang-Won Han),기호범(Ho-Beom Ki),채재우(Jae-Ou Chae) 한국연소학회 2006 KOSCOSYMPOSIUM논문집 Vol.- No.-
The meat consumption produces a lot of bone waste everyday. Dumping bone waste without treatment results into environmental hazards. Conventional treatment by pyrolysis is slow, inefficient and produces hazardous by-products. In the work, an investigation of bone waste incinerated using thermal plasma technology is presented. A high temperature arc plasma torch operated at 33 ㎾ was employed for the experiments. Bone waste was incinerated to remove the infectious organic matter and to vitrify the inorganic matter using plasma torch. Bone waste was reduced its 2/3 weight after the treatment. The process was highly efficient, economical, convenient, and fuel free. This method could be used as an alternative method for disposal of bone waste, small infectious animals, hazardous hospital waste, etc.
채재우(Chae Jae Ou),알렉산더 크낙(Alexandre N Knak),기호범(Ki Ho Beom) 한국에너지학회 2005 한국에너지공학회 학술발표회 Vol.2005 No.-
In this work, the possibility of using the electric arc plasmatron for the work on the water vapor as the basic heat-transfer agent - as the plasma-forming gas. The theoretical calculation is carried out and the practical results of the work of the plasmatron using the water vapor are obtained. Process of the decomposition of waste oil for increasing the efficiency of heat exchange in technological process is investigated.