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Abstract:
以蔗糖为碳源,正硅酸乙酯(TEOS)为硅源,草酸为凝胶剂采用溶胶凝胶法制备出前躯体,高温碳热还原合成C/SiC复合物,其比表面积为333 m2/g,孔半径集中在7.9 nm;总孔体积在0.52 cm3/g;以其为载体,钉为活性金属组分,钡和钾为助剂制备催化剂,将其应用于氨合成反应,考察其催化活性.当催化剂中Ru,Ba和K质量分数分别为3.28%,3.28%和11.48%时,在10.0 MPa,空速为10 000 h-1,435℃条件下,出口氨浓度达15.20%(体积分数).
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分子催化
ISSN: 1001-3555
CN: 62-1227/O6
Year: 2008
Issue: 5
Volume: 22
Page: 424-428
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 2
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