Liquid Phase Hydrogenolysis of Glycerol over Highly Active 50%Cu–Zn(8:2)/MgO Catalyst: Reaction Parameter Optimization by Using Response Surface Methodology
| Autor: | Nitin Naresh Pandhare, Satyanarayana Murty Pudi, Prakash Biswas, Al Ameen A, Smita Mondal |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
010405 organic chemistry General Chemical Engineering Inorganic chemistry Energy Engineering and Power Technology 010402 general chemistry 01 natural sciences 0104 chemical sciences Catalysis Autoclave chemistry.chemical_compound Fuel Technology chemistry Hydrogenolysis Glycerol Organic chemistry Response surface methodology Hydrogen spillover Selectivity Bimetallic strip |
| Zdroj: | Energy & Fuels. 31:8521-8533 |
| ISSN: | 1520-5029 0887-0624 |
| DOI: | 10.1021/acs.energyfuels.7b00766 |
| Popis: | In this study, a highly promising bimetallic 50%Cu–Zn(8:2)/MgO catalyst was developed for selective hydrogenolysis of glycerol to 1,2-propanediol (1,2-PDO). The catalytic activity was evaluated in a high pressure autoclave reactor. Results demonstrated that the incorporation of Zn into Cu/MgO catalysts enhanced the glycerol conversion and selectivity to 1,2-PDO due to the hydrogen spillover effect. Experimentally maximum glycerol conversion of 98.7% with 94.6% selectivity to 1,2-PDO was achieved at mild reaction conditions. Response surface methodology (RSM) was employed to study the interaction of the various reaction parameters and develop an empirical process model followed by the optimization of the reaction parameters. The high values for determination coefficients (>0.95) obtained by analysis of variance indicated that the quadratic regression models developed were highly satisfactory. The results of numerical optimization demonstrated that 97.8% glycerol conversion with 93.5% selectivity to 1,2-PDO... |
| Databáze: | OpenAIRE |
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