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anndy1971

铁杆木虫 (著名写手)

催化达人

[交流] 【讨论】钨的作用

请问各位虫友,谁知道在柴油加氢催化剂中三氧化钨起什么作用?是主催化剂还是助剂?
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zyhou

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小木虫(金币+0.5):给个红包,谢谢回帖交流
tangjy(金币+2):谢谢侯老师指点!祝虎年虎虎生威!呵呵 2010-02-11 20:06
钨应该是一种助剂。比如在下面的文献中就有提及
Performance of WOx-added Mo-V-Te-Nb-O catalysts in the partial oxidation of propane to acrylic acid
In Press, Accepted Manuscript, Available online 6 February 2010
2楼2010-02-10 10:17:03
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zyhou

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小木虫(金币+0.5):给个红包,谢谢回帖交流
nxl5096224(金币+1):3Q! 2010-02-28 10:37
nxl5096224(金币+3):春节额外奖励!谢谢! 2010-02-28 10:38
来自J. Mater. Chem上的文章!
Preparation of 3-D ordered macroporous tungsten oxides and nano-crystalline particulate tungsten oxides using a colloidal crystal template method, and their structural characterization and application as photocatalysts under visible light irradiation
Masahiro Sadakane, Keisuke Sasaki, Hironobu Kunioku, Bunsho Ohtani, Ryu Abe and Wataru Ueda,  J. Mater. Chem., 2010, 20, 1811
DOI: 10.1039/b922416e
3楼2010-02-18 10:45:27
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zyhou

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小木虫(金币+0.5):给个红包,谢谢回帖交流
Synthesis of hexagonal WO3 nanowires by microwave-assisted hydrothermal method and their electrocatalytic activities for hydrogen evolution reaction
Anukorn Phuruangrat, Dong Jin Ham, Suk Joon Hong, Somchai Thongtem and Jae Sung Lee,  J. Mater. Chem., 2010, 20, 1683
DOI: 10.1039/b918783a
4楼2010-02-18 10:52:42
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jacken

金虫 (正式写手)

Being 催化专家......

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小木虫(金币+0.5):给个红包,谢谢回帖交流
nxl5096224(金币+1):3Q! 2010-02-28 10:38
nxl5096224(金币+3):春节额外奖励!谢谢! 2010-02-28 10:38
加氢脱硫催化剂是钴(镍)钼或钴(镍)钨,在这些催化剂中,钨和钼都是活性组分。
Being催化专家......
5楼2010-02-18 14:55:50
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