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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Improving hydrocarbon yield via catalytic fast co-pyrolysis of biomass and plastic over ceria and HZSM-5: An analytical pyrolyzer analysis
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Improving hydrocarbon yield via catalytic fast co-pyrolysis of biomass and plastic over ceria and HZSM-5: An analytical pyrolyzer analysis

机译：通过催化快速共热的生物质和塑料在二氧化铈和HZSM-5上改善烃产率：分析热解器分析

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摘要

The excessive oxygen content in biomass obstructs the production of high-quality bio-oils. In this work, we developed a tandem catalytic bed (TCB) of CeO2 and HZSM-5 in an analytical pyrolyzer to enhance the hydrocarbon production from co-pyrolysis of corn stover (CS) and LDPE. Results indicated that CeO2 could remove oxygen from acids, aldehydes and methoxy phenols, producing a maximum yield of hydrocarbons of 85% and highest selectivity of monocyclic aromatics of 73% in the TCB. The addition of LDPE exhibited a near-complete elimination of oxygenates, leaving hydrocarbons as the overwhelming products. With increasing LDPE proportion, the yield of aliphatics and the selectivity of BTX kept increasing. An optimum H/C-eff of 0.7 was superior to that reported in literature. Mechanisms consisting of deoxygenation, Diels-Alder reactions, hydrocarbon pool and hydrogen transfer reactions were discussed extensively. Our findings provide an efficient method to produce high-quality biofuels from renewable biomass resources.
机译：生物质中过量的氧含量阻碍了高质量生物油的生产。在这项工作中，我们在分析热解器中开发了CEO2和HZSM-5的串联催化床（TCB），以增强来自玉米秸秆（Cs）和LDPE的共热分解的烃生产。结果表明，CEO2可以从酸，醛和甲氧基酚中除去氧气，在TCB中产生85％的最大烃的烃85％和最高选择性为73％的烃。添加LDPE的添加表现出近乎完全消除含氧化合物，使烃作为压倒性产品。随着LDPE比例的增加，脂肪层的产率和BTX的选择性不断增加。 0.7的最佳h / c-uf优异于文献中报告。广泛讨论了由脱氧，二米 - 桤木反应，烃基和氢转移反应组成的机制。我们的研究结果提供了一种有效的方法，可以生产来自可再生生物质资源的高品质生物燃料。

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