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原料和工艺控制对回收碳黑的组成的重要性

Christopher Norris¹, Antonio Lopez-Cerdan¹, Peter Eaton²

¹Murfitts Industries, Station Road, Lakenheath, Suffolk IP27 9AD, UK.

|November 13, 2025

概括

废轮胎的热解产生了具有不同性质的回收碳黑 (rCB). 来自卡车轮胎的低灰含量rCB提供了优越的性能,但碳酸残留物比灰更有害.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
环境科学环境科学

背景情况:

热解是轮胎回收和循环经济原则的关键过程.
回收碳黑 (rCB) 的特性严重依赖于原料和加工.
轮胎废弃物管理对于环境可持续性至关重要.

研究的目的:

调查原料变异对rCB属性的影响.
为了评估灰和碳化合物残留含量对rCB性能的影响.
根据英国废旧轮胎分析,挑战现有的rCB规格.

主要方法:

英国轮胎废弃物流 (卡车和汽车轮胎) 的受控热解.
对rCB成分的分析,重点是灰和碳化合物残留物.
与N550参考碳黑相比,rCB在中的特性评估.

主要成果:

基于原料灰含量,产生了统计学上不同的rCB等级.
来自卡车轮胎的低灰rCB表现出优越的内特性.
发现有碳的残留物对rCB性能比灰含量更有害.

结论:

灰含量是rCB分类和规格的一个重要因素.
目前典型的rCB灰规格 (<20重量%) 可能对英国废旧轮胎来说不切实际.
降低碳化合物残留含量应优先考虑,而不是仅仅管理rCB生产中的灰含量.

关键词:

热解是一种热解过程.rCBCB 的位置是什么回收回收是回收的方法.增强的强化加强的加强的的的可持续性可持续性的可持续性废旧的轮胎废弃物废旧的轮胎

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