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負(fù)載和包覆一樣不?
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能利用包覆的技術(shù)手段負(fù)載催化劑么? [ 發(fā)自手機(jī)版 http://www.gaoyang168.com/3g ] |
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專家經(jīng)驗(yàn): +3748 |
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應(yīng)該是兩種不同的技術(shù)! 包覆更難一些,要求后面引入的外層要把core層全部包住。 而負(fù)載要容易一些! 我們做過一點(diǎn) 包覆型催化劑 Core–shell structured CuO–ZnO@H-ZSM-5 catalysts for CO hydrogenation to dimethyl ether Fuel, Volume 96, June 2012, Pages 419-425 Microwave assisted in situ synthesis of USY-encapsulated heteropoly acid (HPW-USY) catalysts Applied Catalysis A: General, Volume 352, Issues 1–2, 15 January 2009, Pages 259-264 而負(fù)載型的催化劑制備方法有很多, 可以用比較復(fù)雜的嫁接 Selective oxidation of glycerol with oxygen in a base-free aqueous solution over MWNTs supported Pt catalysts Applied Catalysis B: Environmental, Volume 106, Issues 3–4, 11 August 2011, Pages 423-432 Platinum supported on reduced graphene oxide as a catalyst for hydrogenation of nitroarenes Carbon, Volume 50, Issue 2, February 2012, Pages 586-596 也可以用原位合成、然后還原其中較活潑的金屬 Bioresource Technology, Volume 104, January 2012, Pages 814-817 Hydrogenolysis of glycerol on bimetallic Pd-Cu/solid-base catalysts prepared via layered double hydroxides precursors Applied Catalysis A: General, Volume 403, Issues 1–2, 22 August 2011, Pages 173-182 Hydrogenolysis of glycerol over homogenously dispersed copper on solid base catalysts Applied Catalysis B: Environmental, Volume 101, Issues 3–4, 14 January 2011, Pages 431-440 也可以用最簡單的浸漬法,通過改變前驅(qū)體和載體制備不同的催化劑 Bioresource Technology, Volume 101, Issue 18, September 2010, Pages 7088-7092 International Journal of Hydrogen Energy, Volume 34, Issue 9, May 2009, Pages 3734-3742 International Journal of Hydrogen Energy, Volume 33, Issue 20, October 2008, Pages 5493-5500 Journal of Catalysis, Volume 250, Issue 2, 10 September 2007, Pages 331-341 |
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