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2007zjut

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[求助] Co-Al类水滑石的合成

Co-Al类水滑石的合成的合成采用硝酸钴 硝酸铝 尿素合成。请问在合成的过程中一定要通氮气保护吗?如果不同氮气保护会怎么样?
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americanyk

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jiangyun2: 金币+1, 谢谢回帖交流,欢迎常来~~ 2013-11-27 10:13:50
2007zjut(jiangyun2代发): 金币+4 2013-11-27 10:13:56
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http://link.springer.com/article/10.1007/s11051-013-1906-9
3. Efficient hydrogenation of biomass-derived furfural and levulinic acid on the facilely synthesized noble-metal-free Cu–Cr catalyst,  Energy 2013, 58, 357-363
http://www.sciencedirect.com/sci ... i/S0360544213004507
4. One-step synthesis of mesoporous H< sub> 4</sub> SiW< sub> 12</sub> O< sub> 40</sub>-SiO< sub> 2</sub> catalysts for the production of methyl and ethyl levulinate biodiesel. CATALYSIS COMMUNICATIONS 2013, 34, 58-63
http://www.sciencedirect.com/sci ... i/S1566736713000216
5. Novel Preparation of Nano-Composite CuO-Cr2O3 Using CTAB-Template Method and Efficient for Hydrogenation of Biomass-Derived Furfural, Functional Materials Letters 2013, 6 (01)
http://www.worldscientific.com/doi/abs/10.1142/S1793604713500070
6. Facile synthesis and catalytic property of spinel ferrites by a novel template method.  Journal of Alloys and Compounds 2013, 552, 405-408.
http://www.sciencedirect.com/sci ... i/S0925838812020385
7. Highly selective production of value-added γ-valerolactone from biomass-derived levulinic acid using the robust Pd nanoparticles, Applied Catalysis A: General 2013, 468, 52-58.
http://www.sciencedirect.com/sci ... i/S0926860X13005231
8. A noble-metal free Cu-catalyst derived from hydrotalcite for highly efficient hydrogenation of biomass-derived furfural and levulinic acid,
RSC Advances 2013, 3 (12), 3853-3856.
http://pubs.rsc.org/en/content/articlehtml/2013/ra/c3ra22158j
9. Facile Synthesis of Reusable CoAlhydrotalcite Catalyst for Dehydration of Biomass-derived Fructose into Platform Chemical 5-hydroxymethylfurfural.
Chemical Engineering Communications. 2013
http://www.tandfonline.com/doi/a ... 775646#.UkhV5NJ6aSo
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11.Efficient synthesis of benzoin methyl ether catalyzed by hydrotalcite containing cobalt, Catalysis Communications 2008, 9 (6), 1128-1131
http://www.sciencedirect.com/sci ... i/S1566736707004621
8楼2013-11-27 08:20:15
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zyhou

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2007zjut: 金币+2 2012-07-02 15:17:13
是否通氮气应该没有多少影响!

当然,我只做过Cu-Mg-Al-O, Ni-Mg-Al-O, Cu-Zn-Al-O的水滑石,没有做过Co-Al-O的!
Bioresource Technology, Volume 104, January 2012, Pages 814-817
Applied Catalysis A: General, Volume 403, Issues 1–2, 22 August 2011, Pages 173-182
Applied Catalysis B: Environmental, Volume 101, Issues 3–4, 14 January 2011, Pages 431-440
Applied Catalysis A: General, Volume 261, Issue 2, 30 April 2004, Pages 205-209

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2楼2012-05-17 16:44:50
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beerglass385

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2007zjut: 金币+2 2012-07-02 15:17:27
我觉的如果你想做水滑石,应该使用氮气保护!
因为此时Co应为2+,如果不用氮气保护,Co的价态不能保护!

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3楼2012-05-17 18:42:39
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2007zjut

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2楼: Originally posted by zyhou at 2012-05-17 16:44:50:
是否通氮气应该没有多少影响!

当然,我只做过Cu-Mg-Al-O, Ni-Mg-Al-O, Cu-Zn-Al-O的水滑石,没有做过Co-Al-O的!
Bioresource Technology, Volume 104, January 2012, Pages 814-817
Applied Catalysis A:  ...

谢谢啦,好好看一些这些文献。我也只是刚刚想着做这个。
有时候觉得其实不通氮气就这么放置也不会这么快氧化,毕竟能养花还是需要达到一定的活化能。
4楼2012-05-18 00:07:58
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