Physical Chemistry Supports Circular Economy: Toward a Viable Use of Products from the Pyrolysis of a Refuse-Derived Fuel and Granulated Scrap Tire Rubber as Bitumen Additives

IF 0.5 Q4 CHEMISTRY, MULTIDISCIPLINARY
P. Caputo, P. Calandra, V. Loise, M. Porto, A. Le Pera, A.A. Abe, B. Teltayev, M. L. Luprano, M. Alfè, V. Gargiulo, G. Ruoppolo, C. Oliviero Rossi
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Abstract

The production and maintenance of road pavements consume resources and produce wastes that are disposed of in landfills. To make more sustainable this activity, we have envisioned a method based on a circular use of residues (oil and char) from municipal solid waste pyrolysis as useful additives for producing improved asphalts and for recycling old asphalts to generate new ones, reducing at the same time the consumption of resources for the production of new road pavements and the disposal of wastes to landfills. This work aims to show the feasibility of the integration of two processes (thermal treatment of municipal solid waste on one side, and that of road pavement production on the other side) where the products deriving from waste pyrolysis become added-value materials to improve the quality of road pavements. In this contribution, we presented the effect of pyrolysis product addition on asphalt binder (bitumen) preparation and aging. Solid and liquid products, deriving from the pyrolysis of two kinds of wastes (refused derived fuel (RDF) and granulated rubber tyre waste), have been used for the preparation of asphalt binder samples. Rheological tests have been performed to determine the mechanical properties of neat asphalt binder (bitumen) and those enriched with pyrolysis derived products. Measurements to evaluate possible anti-aging effects have been also performed. The collected results indicate that char addition strengthens the overall bitumen intermolecular structure while bio-oil addition exerts a rejuvenating activity.
物理化学支持循环经济:将垃圾衍生燃料热解产物和粒状废轮胎橡胶作为沥青添加剂的可行性研究
路面的生产和维护消耗资源,产生的废物被填埋。为了使这项活动更具可持续性,我们设想了一种循环利用城市固体废物热解产生的残渣(油和炭)的方法,将其作为有用的添加剂,用于生产改良沥青和回收旧沥青以生产新沥青,同时减少用于生产新路面的资源消耗和垃圾填埋处理。这项工作旨在展示两种工艺(一边是城市固体废弃物的热处理,另一边是路面的生产)整合的可行性,在这两种工艺中,废物热解产生的产品成为提高路面质量的增值材料。在这篇论文中,我们介绍了热解产品添加对沥青粘结剂(沥青)制备和老化的影响。两种废物(垃圾衍生燃料(RDF)和颗粒橡胶轮胎废物)热解产生的固体和液体产品被用于制备沥青粘结剂样品。流变试验用于确定纯沥青粘结剂(沥青)和富含热解衍生产品的沥青粘结剂的机械性能。此外,还对可能的抗老化效果进行了评估。收集到的结果表明,添加木炭可加强沥青的整体分子间结构,而添加生物油则可使沥青恢复活力。
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来源期刊
Eurasian Chemico-Technological Journal
Eurasian Chemico-Technological Journal CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.10
自引率
20.00%
发文量
6
审稿时长
20 weeks
期刊介绍: The journal is designed for publication of experimental and theoretical investigation results in the field of chemistry and chemical technology. Among priority fields that emphasized by chemical science are as follows: advanced materials and chemical technologies, current issues of organic synthesis and chemistry of natural compounds, physical chemistry, chemical physics, electro-photo-radiative-plasma chemistry, colloids, nanotechnologies, catalysis and surface-active materials, polymers, biochemistry.
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