화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2014년 봄 (04/23 ~ 04/25, 창원컨벤션센터)
권호 20권 1호, p.875
발표분야 촉매 및 반응공학
제목 Inter conversion of light olefins on ZSM-5 in catalytic naphtha cracking condition
초록 The inter-conversion of light olefins over four types of HZSM-5 based catalysts under cracking conditions was investigated systematically and various methods including XRD, BET, NH3-TPD, 27Al and 31P MAS-NMR were used to charactierize the effects of P modification and steaming on ZSM-5. Regardless the types of catalyst, the same behaviors of light olefins inter-conversion were observed only depending on conversion of light olefins. Also, the conversion and seleltivity were not influenced by the presence of hydrogen,  suggesting that light paraffins were mainly produced from hydrogen transfer during cracking rather than hydrogenation of light olefins. It can be suggested that the inter-conversion of liqht olefins occurs through oligomerization of light olefins and then re-cracking of the oligomerized products. To guarantee high light olefins yield in catalytic naphtha cracking, it is strongly required to suppress oligomerization of light olefins during catalytic cracking.
저자 강나영, 박용기, 이유진, 최원춘, 서휘민, 박선영
소속 한국화학(연)
키워드 inter-conversion; olefins; cracking; ZSM-5
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