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dy322112榮譽(yù)版主 (著名寫手)
煮面聯(lián)合會(huì)會(huì)長(zhǎng)
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[求助]
關(guān)于活性炭的反應(yīng),特別是存在活性中心的流失和中毒
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活性炭本身為催化劑或載體都,特別是負(fù)載活性組分存在流失和中毒問(wèn)題的反應(yīng)。 最好能說(shuō)明下適用的反應(yīng)及催化劑使用條件,如: 0.5%Pd/AC(顆粒成型),對(duì)苯二甲酸精制,約7MPa,280oC, 失活主要原因:Pd的聚集和流失及部分活性中心中毒(S,Cu, Zn) Heck反應(yīng)的各個(gè)具體反應(yīng)也行,一來(lái)是自己也在找一個(gè)模型反應(yīng),希望合成的材料能在活性中心保持方面起一些作用,能找到一個(gè)實(shí)現(xiàn)不復(fù)雜,表征不太難的反應(yīng);如果可能我會(huì)在這里做個(gè)總結(jié)。 先附上一些目前找到的一些比較重要資料 ***Calvino-Casilda V, Lopez-Peinado A J, Duran-Valle C J, et al. Last Decade of Research on Activated Carbons as Catalytic Support in Chemical Processes [J]. Catal Rev, 2010, 52(3): 325-80. [1] [Anon], Effects of surface chemistry of activated carbon on the adsorption of aromatics containing electron-withdrawing and electron-donating functional groups, Abstr Pap Am Chem S, 211 (1996) 129-FUEL. [2] F. Rodriguez-Reinoso, The role of carbon materials in heterogeneous catalysis, Carbon, 36 (1998) 159-175. [3] A. Dandekar, R.T.K. Baker, M.A. Vannice, Characterization of activated carbon, graphitized carbon fibers and synthetic diamond powder using TPD and drifts, Carbon, 36 (1998) 1821-1831. [4] C. Morenocastilla, M.A. Ferrogarcia, J.P. Joly, I. Bautistatoledo, F. Carrascomarin, J. Riverautrilla, Activated Carbon Surface Modifications By Nitric-Acid, Hydrogen-Peroxide, And Ammonium Peroxydisulfate Treatments, Langmuir, 11 (1995) 4386-4392. [5] 劉振宇, 鄭經(jīng)堂, 王茂章, 張碧江, 多孔炭的納米結(jié)構(gòu)及其解析, 化學(xué)進(jìn)展, 13 (2001) 10-18. [6] L. Radovic, Chemistry and physics of carbon, CRC, 2004. [7] H. Marsh, F. Rodriguez-Reinoso, Activated Carbon, in, Elsevier Science & Technology Books, 2006, pp. 542. 謝謝各位: [ 來(lái)自科研家族 木蟲催化 ] [ Last edited by dy322112 on 2011-11-4 at 10:49 ] |

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[論文投稿]
申請(qǐng)回稿延期一個(gè)月,編輯同意了。但系統(tǒng)上的時(shí)間沒(méi)變,給編輯又寫郵件了,沒(méi)回復(fù)
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