Nano-carbons from waste tyre rubber An insight into structure and morphology

Nano-carbons from waste tyre rubber : An insight into structure and morphology

Copyright © 2017 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 69(2017) vom: 15. Nov., Seite 110-116
1. Verfasser: Maroufi, Samane (VerfasserIn)
Weitere Verfasser: Mayyas, Mohannad, Sahajwalla, Veena
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Carbon nano-particle Characterisation High temperature Waste tyre rubber Industrial Waste Carbon 7440-44-0 Rubber 9006-04-6
Beschreibung
Zusammenfassung:Copyright © 2017 Elsevier Ltd. All rights reserved.
This study reports on the novel and sustainable synthesis of high value carbon nanoparticles (CNPs) from waste tyre rubber (WTR), using an innovative high temperature approach. As waste tyres are composed, primarily, of carbon - accounting for some 81.2wt% - they represent a promising source of carbon for many potential applications. However, cost-effective options for their processing are limited and, consequently, billions of waste tyres have accumulated in landfills and stockpiles, posing a serious global environmental threat. The rapid, high temperature transformation of low value WTR to produce valuable CNPs, reported here, addresses this challenge. In this study, the transformation of WTRs was carried out at 1550°C over different reaction times (5s to 20min). The structure and morphology of the resulting CNPs were investigated using X-ray diffraction (XRD), Raman spectroscopy, X-ray photon spectroscopy (XPS), N2 isothermal adsorption method and scanning electron microscopy (SEM). The formation of CNPs with diameters of 30 and 40nm was confirmed by Field Emission Electron Microscopy (FE-SEM). Longer heating times also resulted in CNPs with regular and uniform spherical shapes and a specific surface area of up to 117.7m2/g, after 20min. A mechanism that describes the formation of CNPs through mesophase nuclei intermediate is suggested
Beschreibung:Date Completed 18.01.2018
Date Revised 18.01.2018
published: Print-Electronic
Citation Status MEDLINE
ISSN:1879-2456
DOI:10.1016/j.wasman.2017.08.020