Department of Chemical and Environmental Engineering, University of the Basque Country UPV/EHU, Nieves Cano 12, 01006 Vitoria-Gasteiz, Spain.
Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain.
Waste Manag. 2019 Feb 15;85:385-395. doi: 10.1016/j.wasman.2019.01.003. Epub 2019 Jan 11.
Pinewood sawdust and the waste rubber from truck tyres have been co-pyrolysed in order to improve the properties of bio-oil for its integration in oil refineries. In addition, an analysis has been conducted of the effect the interactions between these two materials' pyrolysis reactions have on product yields and properties. Biomass/tyre mixing ratios of 100/0, 75/25, 50/50, 25/75 and 0/100 by weight percentage have been pyrolysed in continuous mode at 500 °C in a conical spouted bed reactor, obtaining oil yields in the 55.2-71.6 wt% range. Gaseous, oil and solid fractions have been characterised for the 50/50 biomass/tyre mixture, paying special attention to the oil fraction by determining its detailed composition, elemental analysis and calorific value. Co-processing enables the stabilization of the liquid, as the co-pyrolysis oil has a stable single phase, being composed mainly of water, aromatic hydrocarbons and phenols in concentrations of 14.5, 11.1 and 9.7 wt%, respectively. Adding tyre rubber to the biomass in the pyrolysis feed improves the oil's properties, as a liquid with higher carbon content and lower oxygen and water is obtained, even if sulphur content is also increased.
为了改善生物油的性质，以便将其集成到炼油厂中，研究人员将松木木屑和卡车轮胎废橡胶进行了共热解。此外，还分析了这两种材料的热解反应之间的相互作用对产物产率和性质的影响。研究人员在一个圆锥形喷动床反应器中以 500°C 的连续模式对生物质/轮胎的混合比例为 100/0、75/25、50/50、25/75 和 0/100（按重量百分比计）进行了热解，得到了 55.2-71.6wt%范围内的油产率。对 50/50 生物质/轮胎混合物的气态、油状和固态馏分进行了表征，特别关注油馏分，通过测定其详细组成、元素分析和热值来确定其详细组成。共处理能够稳定液体，因为共热解油具有稳定的单相，主要由水、芳烃和酚组成，浓度分别为 14.5wt%、11.1wt%和 9.7wt%。在热解进料中向生物质中添加轮胎橡胶可以改善油的性质，因为得到了具有更高碳含量和更低氧含量和水含量的液体，即使硫含量也增加了。
