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RISS 인기검색어
- 검색키워드
- 저자 : ( Eiichi Nishikawa ) (검색결과 3 건)
- 무료
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Carbon Nano Materials Produced by Using Arc Discharge in Foam
Yong-Il Kim,Eiichi Nishikawa,Toshihide Kioka 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.3
Nano materials are very important materials because they have a possibility of a large number of applications not only in electric devices but also in pharmaceutical processes. If these nano materials are to be applied to practical devices and processes, a simple synthesis method of the nano material is of significant importance. In this paper, we report the first successful synthesis of several types of nano materials the synthesis was achieved by using a simple method of an arc discharge in foam. From the transmission electron microscopy observation, multi-walled nano tubes, capsule materials and materials with cabbage-shaped cross sections were often found. Furthermore, through this simple method, arc discharge in foam, several types of nano materials could be easily collected on the surface on the foam. Nano materials are very important materials because they have a possibility of a large number of applications not only in electric devices but also in pharmaceutical processes. If these nano materials are to be applied to practical devices and processes, a simple synthesis method of the nano material is of significant importance. In this paper, we report the first successful synthesis of several types of nano materials the synthesis was achieved by using a simple method of an arc discharge in foam. From the transmission electron microscopy observation, multi-walled nano tubes, capsule materials and materials with cabbage-shaped cross sections were often found. Furthermore, through this simple method, arc discharge in foam, several types of nano materials could be easily collected on the surface on the foam.
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고도산화공법(AOP)에 의한 침출수 중 다이옥신류의 처리
( Jiro Sato ),( Kohei Miki ),( Eiichi Nishikawa ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.2
본 연구는 자외선 방법(UV/ozone method)에 기반한 오존화로써, AOPs 공법의 일종이며, 실험 결과 침출수 중 다이옥신류의 처리에 효과를 나타내었다. UV/ozone을 이용한 오존의 파괴능 및 오존 파괴율의 영향을 실험하였으며, 다이옥신 제거시 공존유기물질의 농도를 평가하였다. 또한 본 연구의 결과로써 pre-ozonel, 활성탄, UV/ozone 결합 공법의 이용으로 침출수 내 다이옥신을 높은 효율로 제거할 수 있음을 확인하였다. This study focused on the ozonation under UV radiation method (UV/ozone method), which is one of the advanced oxidation process (AOP) methods, and experiments on the effects of treatment of dioxins in leachate were conducted. We have examined the consumptive applications of the ozone used in UV/ozone treatment and the influence of the ozone consumption rate, and evaluated concentration of concomitant organic matter on the dioxin removal. This study also confirmed that the use of pre-ozone, activated carbon, and UV/ozone process in combination can remove dioxins in leachate at a high rate.
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TREATMENT OF DIOXINS IN LEACHATE BY AOP METHOD (UV/OZONE METHOD)
( Jiro Sato ),( Kohei Miki ),( Eiichi Nishikawa ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.1
This study focused on the ozonation under UV radiation method (UV/ozone method), which is one of the advanced oxidation process (AOP) methods, and experiments on the effects of treatment of dioxins in leachate were conducted. We have examined the consumptive applications of the ozone used in UV/ozone treatment and the influence of the ozone consumption rate, and evaluated concentration of concomitant organic matter on the dioxin removal. This study also confirmed that the use of pre-ozone, activated carbon, and UV/ozone process in combination can remove dioxins in leachate at a high rate.
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