금속담지 활성알루미나 촉매의 암모니아 저온연소반응

• 영문명: Catalytic Oxidation of Ammonia over Metal Supported on Alumina at Low Temperature
• 발행기관: 한국응용과학기술학회 (구.한국유화학회)
• 저자명: 임윤희(Yun-Hui Lim) 이주열(Ji-Yeol Lee) 박병현(Byung-Hyun Park)
• 간행물 정보: 『한국응용과학기술학회지』한국유화학회지 제30권 제3호, 371~379쪽, 전체 9쪽
• 주제분류: 공학 > 화학공학
• 파일형태: PDF
• 발행일자: 2013.09.30

영문 초록

In order to improve the selective oxidation reaction of gaseous ammonia at a low temperature, various types of metal-impregnated activated alumina were prepared, and also physical and chemical properties of the conversion of ammonia were determined. Both types of metal (Cu,Ag) impregnated activated alumina show high conversion rate of ammonia at high temperature(over 300℃). However, at lower temperature (200 ℃), Ag-impregnated catalyst shows the highest conversion rate (93%). In addition, the effects of lattice oxygen of the developed catalyst was studied. Ce-impregnated catalyst showed higher conversion rate than commercial alumina, but also showed lower conversion rate than Ag-impregnated sample. Moreover, 5 vol.% of Ag activation under hydrogen shows the highest conversion rate result. Finally, through high conversion at low temperature, it was considered that the production of NO and NO2, toxic by-products, were effectively inhibited.

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REFERENCES

키워드

Ammonia Catalyst Silver Alumina By-product