Reactions of products from thermal degradation of PVC with nanoclusters of α-Fe2O3 (hematite)

O.H. Ahmed; M. Altarawneh; Z-T Jiang; M. Al-Harahsheh; B.Z. Dlugogorski

doi:10.1016/j.cej.2017.04.047

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Reactions of products from thermal degradation of PVC with nanoclusters of α-Fe2O3 (hematite)

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Peer reviewed

Reactions of products from thermal degradation of PVC with nanoclusters of α-Fe2O3 (hematite)

O.H. Ahmed, M. Altarawneh, Z-T Jiang, M. Al-Harahsheh and B.Z. Dlugogorski

Chemical Engineering Journal, Vol.323, pp.396-405

09/2017

DOI: https://doi.org/10.1016/j.cej.2017.04.047

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Abstract

Polyvinyl chloride (PVC) plastics constitute a large fraction of buildings, packaging and electronic devices, whereas, the annual emission electric arc furnace dust (EAFD) from steel manufacturing operations has recently peaked at nearly 6 Mt. Co-pyrolysis of PVC with EAFD currently represents a focal abatement technology for both categories of pollutants. However, despite of several experimental investigations; the mechanisms underlying interaction between EAFD and PVC remain largely speculative. Herein, we examine theoretically reactions of major products from thermal degradation of PVC with nanoclusters of iron (III) oxide, α-Fe2O3 (hematite) as a representative model for the various metal oxides in EAFD. The facile nature for the H-Cl bond fission over hematite is in line with experimental findings, pointing out to formation of iron chlorides from pyrolysis of Fe2O3-PVC mixtures. Interaction of selected chlorinated C1-C3 cuts with the hematite structure preferentially proceeds via a dissociative adsorption pathway. Results from this study shall be instrumental to understand, on a precise molecular basis, fixation of halogens on transitional metal oxides; a viable thermal recycling approach for polymeric materials laden with halogenated constituents

Details

Title: Reactions of products from thermal degradation of PVC with nanoclusters of α-Fe2O3 (hematite)
Authors/Creators: O.H. Ahmed (Author/Creator) - Murdoch University
M. Altarawneh (Author/Creator) - Murdoch University
Z-T Jiang (Author/Creator) - Murdoch University
M. Al-Harahsheh (Author/Creator) - Jordan University of Science and Technology
B.Z. Dlugogorski (Author/Creator) - Murdoch University
Publication Details: Chemical Engineering Journal, Vol.323, pp.396-405
Publisher: Elsevier
Identifiers: 991005542594707891
Murdoch Affiliation: School of Engineering and Information Technology
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 7 Engineering & Materials Science; 7.229 Mineral & Metal Processing; 7.229.774 Bioleaching
Web Of Science research areas: Engineering, Chemical; Engineering, Environmental
ESI research areas: Engineering