<P>Spherical silicas with mesopore (6 nm) supported tantalum oxide samples (Ta/SMS) were prepared with the impregnation method using different Ta loading amounts for the production of 1,3-butadiene (BD) from ethanol and acetaldehyde (ethanol to ...
http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
https://www.riss.kr/link?id=A107449372
2017
-
학술저널
4322-4325(4쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>Spherical silicas with mesopore (6 nm) supported tantalum oxide samples (Ta/SMS) were prepared with the impregnation method using different Ta loading amounts for the production of 1,3-butadiene (BD) from ethanol and acetaldehyde (ethanol to ...
<P>Spherical silicas with mesopore (6 nm) supported tantalum oxide samples (Ta/SMS) were prepared with the impregnation method using different Ta loading amounts for the production of 1,3-butadiene (BD) from ethanol and acetaldehyde (ethanol to BD, ETB). To obtain the optimum Ta loading amount, the Ta/SMS catalysts were first tested in a fixed-bed reactor. The characteristics of the Ta/SMS catalyst was analyzed by scanning electron microscopy, inductively coupled plasma atomic emission spectrometry, and N-2 physisorption analysis. Before testing the catalyst in a hot-bed circulating fluidized bed (CFB) reactor, the mechanical strength and hydrodynamic properties of the Ta/SMS catalyst were examined by using the attrition test and a cold-bed CFB reactor, respectively. The catalytic results in the hot-bed CFB reactor revealed that the Ta/SMS catalyst had a different catalytic performance for production BD, which could be attribution to the feed concentration and circulation rate of catalyst. The hot-bed CFB test for ETB with the Ta/SMS catalyst was stably operated for 140 h, and an average conversion of 56.7% and BD selectivity of 70.5% were obtained.</P>