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Effects of temperature and catalytic reduction of sulfur content on kinematic viscosity and specific gravity of tire pyrolysis oil
Chemical Engineering Communications ( IF 2.5 ) Pub Date : 2021-12-09 , DOI: 10.1080/00986445.2021.2015339
Job Bosire Omwoyo 1 , Richard Kyalo Kimilu 1 , John Mmari Onyari 2
Affiliation  

Abstract

Some of the issues that humanity is facing include environmental degradation and an energy crisis. These problems are caused by population growth, rapid industrialization, and large amounts of waste generated as a result of various activities. Disposed tires contribute to landfilling because they do not degrade easily. Natural rubber trees are a source of latex, which is the primary component of tires. Tires can be recycled through pyrolysis to produce char, oil, and gas, but they contain high sulfur content. As a catalyst, 0%, 1.5%, 2.5%, 5%, 7.5% and 10% sodium carbonate of the feed material were used to produce tire pyrolysis oil (TPO). This study involved the investigation of temperature and catalytic sulfur reduction effects on the kinematic viscosity and specific gravity of TPO. These are critical properties to consider when assessing TPO's suitability for use in a diesel engine. The sulfur content decreased with increasing sodium carbonate, the specific gravity of TPO increased with increasing sodium carbonate, and kinematic viscosity decreased with increasing sodium carbonate until the catalyst was 2.5% and then started increasing proportionally with sodium carbonate for temperatures between 15 and 60 °C.



中文翻译:

温度和催化还原硫含量对轮胎热解油运动粘度和比重的影响

摘要

人类面临的一些问题包括环境退化和能源危机。这些问题是由人口增长、快速工业化以及各种活动产生的大量废物造成的。废弃轮胎有助于填埋,因为它们不易降解。天然橡胶树是乳胶的来源,而乳胶是轮胎的主要成分。轮胎可以通过热解回收以生产焦炭、石油和天然气,但它们的硫含量很高。作为催化剂,将原料的0%、1.5%、2.5%、5%、7.5%和10%的碳酸钠用于生产轮胎热解油(TPO)。本研究涉及温度和催化减硫对 TPO 运动粘度和比重的影响。在评估 TPO 在柴油发动机中的适用性时,这些是需要考虑的关键特性。硫含量随着碳酸钠的增加而降低,TPO 的比重随着碳酸钠的增加而增加,运动粘度随着碳酸钠的增加而降低,直到催化剂为 2.5%,然后在 15 至 60 °C 的温度下开始与碳酸钠成比例增加.

更新日期:2021-12-09
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