典型轮胎可回收性评估及生态设计

Measuring the recyclability and eco-design of typical tires

汽车工业快速发展以及广泛的消费利用引起了废旧轮胎的激增,废旧轮胎具有显著的资源环境属性而备受关注,如何提高轮胎的可回收性、改善其生态设计是解决废旧轮胎问题的关键.本研究采用统计熵与等级确定规则的模型,根据轮胎初始态与回收最终态的差异程度以及主流的处理处置技术,首次建立了轮胎可回收性评估模型,收集典型轮胎的理化组成,评估了现有轮胎的可回收性.结果发现,相比其他产品,轮胎因其显著的能源化比例,而可回收性较高,从高到低排序大体为卡车轮胎、轿车轮胎、货车轮胎、公共汽车轮胎、越野车轮胎,5种汽车应用类型轮胎的可回收性为82~93%bit-1.相关研究结果为轮胎的资源化、能源化工艺的设计提供了指导,建立的方法对于轮胎生态设计及行业的节能减排提供了参考.

The rapid growth and widespread consumption in the automotive industry have led to a surge in waste tire generation.Waste tires are a significant concern due to their environmental and resource impacts.Improving the recyclability and eco-design of tires is essential to address this problem.This study aims to tire recyclability using an innovative model based on statistical entropy and a hierarchical determination rule.This rule considers the differences between the tires'original state and their post-recycling state,as well as the predominant treatment and disposal methods.We applied this model to assess five different tire applications.The results indicate that tire recyclability ranges from approximately 82%to 93%,with the highest recyclability found in truck tires,followed by car tires,van tires,bus tires,and off-road vehicle tires.These findings can inform the design of tire recycling processes and energy recovery efforts.The developed recyclability method may significantly contribute to the eco-design of tires and promote energy saving and emission reductions in the tire industry.