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首页> 外文OA文献 >Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst
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Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst

机译：ZSM-5，HZSM-5和锌交换沸石-A催化固定床反应器中草的催化中间热解

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The environmental impact from the use of fossil fuel cum depletion of the known fossil oil reserves has led to increasing interest in liquid biofuels made from renewable biomass. This study presents the first experimental report on the catalytic pyrolysis of Napier grass, an underutilized biomass source, using ZSM-5, 0.3HZSM-5 and zinc exchanged zeolite-A catalyst. Pyrolysis was conducted in fixed bed reactor at 600˝C, 30˝C/min and 7 L/min nitrogen flow rate. The effect of catalyst-biomass ratio was evaluated with respect to pyrolysis oil yield and composition. Increasing the catalyst loading from 0.5 to 1.0 wt % showed no significant decrease in the bio-oil yield, particularly, the organic phase and thereafter decreased at catalyst loadings of 2.0 and 3.0 wt %. Standard analytical methods were used to establish the composition of the pyrolysis oil, which was made up of various aliphatic hydrocarbons, aromatics and other valuable chemicals and varied greatly with the surface acidity and pore characteristics of the individual catalysts. This study has demonstrated that pyrolysis oil with high fuel quality and value added chemicals can be produced from pyrolysis of Napier grass over acidic zeolite based catalysts.
机译：使用化石燃料对环境的影响以及已知化石油储量的枯竭导致人们对由可再生生物质制成的液态生物燃料的兴趣日益增加。这项研究提供了关于利用生物质资源未充分利用的纳皮尔草催化热解的第一份实验报告，该草利用ZSM-5、0.3HZSM-5和锌交换沸石-A催化剂。在固定床反应器中以600˝C，30˝C/ min和7 L / min的氮气流量进行热解。相对于热解油产率和组成评估了催化剂-生物质比的影响。将催化剂负载量从0.5 wt％增加到1.0 wt％不会显示出生物油产量（特别是有机相）的显着下降，其后在催化剂负载量为2.0和3.0 wt％时下降。使用标准分析方法确定热解油的组成，该热解油由各种脂族烃，芳烃和其他有价值的化学物质组成，并且随各个催化剂的表面酸度和孔特性而变化很大。这项研究表明，纳皮尔草在酸性沸石基催化剂上进行热解可制得具有高燃料质量和高附加值化学品的热解油。

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