Ni-containing mixed oxides as catalysts for the one-step synthesis of methyl-isobutyl-ketone (MIBK) from acetone

被引：12

作者：

Camacho Rodrigues, Alexandre Carlos ^{[2
]}

Fontes Monteiro, Jose Luiz ^{[1
]}

Henriques, Cristiane Assumpcao ^{[1
,3
]}

机构：

[1] Univ Fed Rio de Janeiro, NUCAT COPPE, Ilha Fundao, BR-21941914 Rio De Janeiro, Brazil

[2] Agencia Nacl Petr Gas Nat & Biocombust, ANP, BR-20090004 Rio De Janeiro, Brazil

[3] PPGEQ Inst Quim UERJ, BR-20550900 Rio De Janeiro, Brazil

来源：

COMPTES RENDUS CHIMIE | 2009年 / 12卷 / 12期

关键词：

Ni; Mg; Al-mixed oxides; MIBK; Acetone; One-step process; LAYERED DOUBLE HYDROXIDES; ONE-POT SYNTHESIS; SUPPORTED NICKEL; PALLADIUM; TRANSFORMATION; ZEOLITES; HYDROGEN; EXTRACTION; CONVERSION;

D O I：

10.1016/j.crci.2009.06.005

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The one-step synthesis of MIBK (methyl isobutyl ketone) from acetone in gas phase was studied over Ni-Mg-Al mixed oxides prepared by coprecipitation (Mg/Ni equal to 5 or 15) or by impregnation (Mg/Ni molar ratio equal to 5). The catalytic activity and product selectivity were influenced by both nickel content and its incorporation method, the most promising results being presented by the catalyst with Mg/Ni atomic ratio of 5, in which the nickel was incorporated by impregnation. As to the effect of H-2/acetone molar ratio, the higher MIBK yield was observed for a H-2/acetone ratio of 0.5 or 2.0 at 523 K. To cite this article: A.C.C. Rodrigues et al., C R. Chimie 12 (2009). (C) 2009 Academic des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：1296 / 1304

页数：9

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