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Comparative LCA of different graphene production routes

Cossutta, Matteo; McKechnie, Jon; Pickering, Stephen J.

Authors

Matteo Cossutta ezzmc1@nottingham.ac.uk

Jon McKechnie Jon.Mckechnie@nottingham.ac.uk

Stephen J. Pickering eazsjp@nottingham.ac.uk



Abstract

This study is an LCA of three graphene production routes: electrochemical exfoliation of graphite rods, chemical oxidation and subsequent chemical or thermal reduction and chemical vapour deposition (CVD). Different processes for each route are analysed and their cradle-to-gate LCA is presented. A comparative LCA of the least impacting processes for each route is also presented showing that the chemical oxidation process followed by thermal reduction is the least impacting to produce large quantities of graphene when lab equipment is used to its full potential.

A prospective LCA on a likely commercial scale of the least impacting processes is also presented and shows that almost all processes benefit from a scale-up activity and that the least impacting material route remains the chemical oxidation followed by thermal reduction. An optimistic scenario in which all electricity comes from renewable sources is also presented. While this last scenario promotes the more energy intensive processes, the least impacting technology to produce large quantities of graphene remains the chemical oxidation followed by thermal reduction.

Journal Article Type Article
Journal Green Chemistry
Print ISSN 1463-9262
Electronic ISSN 1463-9270
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 19
Issue 24
APA6 Citation Cossutta, M., McKechnie, J., & Pickering, S. J. (in press). Comparative LCA of different graphene production routes. Green Chemistry, 19(24), doi:10.1039/C7GC02444D
DOI https://doi.org/10.1039/C7GC02444D
Keywords Graphene, LCA, Life Cycle Assessment, rGO, commercial scale graphene
Publisher URL http://pubs.rsc.org/en/Content/ArticleLanding/2017/GC/C7GC02444D#!divAbstract
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf


A comparative LCA of different graphene SI - green open access.pdf (807 Kb)
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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