Affiliation:
1. School of Traffic and Transportation Engineering, Changsha University of Science & Technology, Changsha, 410114, Hunan, China
Abstract
Rubber asphalt is considered to have potential development and application prospects because it not only has good performance but also promotes the resource utilization of waste tires. However, compared with ordinary asphalt, rubber asphalt has greater viscosity and needs to be made
at higher temperatures. The resulting harmful fumes and odorous gas seriously threaten human health and cause environmental pollution. This paper reviews the research status of the toxic emissions of rubber asphalt at high temperatures from hazards, emission mechanisms, treatment measures,
and analysis methods. Compared with the emissions of ordinary asphalt, the high-temperature emissions of rubber asphalt are more complex. Since they include the emissions of asphalt, the pyrolysis of rubber, and the interaction between them. Most of the existing treatment measures can only
reduce the emissions of some parts of the mixing or paving processes. The effective collection of emissions is still a problem, which reduces the accuracy of qualitative and quantitative analyses. Future work on relieving the toxic emissions of rubber asphalt is also recommended: the degradation
and desulfurization of rubber, the preparation of compound fume suppressants, and the utilization of multiple analysis methods.
Publisher
American Scientific Publishers
Subject
General Materials Science
Cited by
1 articles.
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