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首页> 外文期刊>International journal of green energy >Production of highly upgraded bio-oil by microwave-metal interaction pyrolysis of biomass in a copper coil reactor
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Production of highly upgraded bio-oil by microwave-metal interaction pyrolysis of biomass in a copper coil reactor

机译：在铜盘管反应器中通过微波-金属相互作用热解生物质生产高度升级的生物油

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In this study, highly upgraded bio-oil was produced by microwave-metal interaction pyrolysis of water hyacinth biomass. A copper coil was used as a microwave receiver and heat generating antenna. The pyrolysis of biomass was carried out with and without using a cement catalyst. The fractional amounts of the as-produced bio-oil, biogas, and biochar were determined in terms of catalyst mass, reaction time, and the gauge of the copper coil antenna. In cement catalyzed pyrolysis, the water hyacinth was converted into 20% bio-oil and 31% combustible gases with overall conversion efficiency of 66%. In the case of uncatalyzed pyrolysis, the overall conversion efficiency remained below 60% with 10% bio-oil. The biomass to catalyst ratio of 5:1, 25min of reaction time and 2.5mm gauge of wire were predicted as optimum conditions for the pyrolysis process. The bio-oil was further analyzed through chromatography-mass spectrometry (GC-MS) while the gaseous products were analyzed through chemical testing and combustibility analysis. Significant difference in the chemical composition of the bio-oils, produced using catalytic and noncatalytic microwave-metal interaction pyrolysis, was noticed in these investigations. The oil product of the catalyzed and uncatalyzed pyrolysis contained 11.6% and 9.418% hydrocarbons, respectively. Similarly, oxygen content in the oil was measured about 14.73% and 16.66%, respectively. Also, unlike the thermal or thermo-catalytic pyrolysis, the bio-oil product of the microwave-metal interaction pyrolysis was found immiscible with water.
机译：在这项研究中，通过风信子生物质的微波-金属相互作用热解生产了高度升级的生物油。铜线圈用作微波接收器和发热天线。生物质的热解在使用和不使用水泥催化剂的情况下进行。根据催化剂质量，反应时间和铜线圈天线的规格确定所产生的生物油，沼气和生物炭的分数。在水泥催化的热解中，风信子被转化为20％的生物油和31％的可燃气体，总转化效率为66％。在未催化热解的情况下，使用10％的生物油可使总转化效率保持在60％以下。预测生物质与催化剂的比例为5：1，反应时间为25分钟，金属丝规格为2.5mm，是热解过程的最佳条件。通过色谱-质谱（GC-MS）进一步分析生物油，同时通过化学测试和可燃性分析对气态产物进行分析。在这些研究中，发现了使用催化和非催化微波-金属相互作用热解产生的生物油的化学组成上的显着差异。催化的和未催化的热解的油产物分别包含11.6％和9.418％的烃。同样，油中的氧气含量分别约为14.73％和16.66％。另外，与热催化或热催化热解不同，发现微波-金属相互作用热解的生物油产物与水不混溶。

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