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With renewable biodiesel , environmental protection and safety , etc., is recognized as a high quality alternative to fossil fuels , but biodiesel byproduct during the production of a large number of glycerol has become an important factor that hinder its development . How to effectively use the resulting glycerol, increasing the overall economic benefits of the biodiesel industry as the majority of researchers are trying to target . This paper aims to take advantage of hydrocracking of biomass cogeneration glycol glycerol and methanol . First of all, the ideal state equation and were used for the PR equation hydrogenation of carbon-carbon bond cleavage glycerol ethylene glycol and methanol co thermodynamic calculation. The results show that the equation of the ideal state , the optimal reaction temperature is about 400K , the optimal pressure is about 3MPa. Using PR equation of optimal temperature is raised to 500K, while the optimal pressure did not change. Also analyzed the feedstock with hydrogen in a molar ratio of glycerol and glycerol solution concentration on the conversion of glycerol and ethylene glycol , the yield of methanol . By preparing Pt-based catalyst and Ni-W2C based catalysts in a batch reactor and apparatus for the evaluation, these two catalyst preparation method is optimized , and the factorial experiment to explore appropriate reaction conditions . The results show that , Pt/Al2O3 catalysts with different Pt loading on the catalytic performance of a greater impact in the Pt loading was 2.5% conversion rate of 64.8% glycerol , ethylene glycol and methanol yields were 31.6% and 33.2%. For Ni-W2C/AC catalyst , when the loading amount of Ni 2%, glycerol conversion rate of 85.1% , 64.0% yield of ethylene glycol , methanol, yield of 21.1% , the conversion of glycerol and the yield of ethylene glycol than Pt/Al2O3 catalysts aspect greatly improved. Finally, based Ni-W2C/AC catalysts of reaction time , reaction temperature, reaction pressure , agitation paddle speed and Ni content of the experiment .
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