Costs and carbon emissions for geopolymer pastes in comparison to ordinary portland cement

McLellan, Benjamin C., Williams, Ross P., Lay, Janine, van Riessen, Arie and Corder, Glen D. (2011) Costs and carbon emissions for geopolymer pastes in comparison to ordinary portland cement. Journal of Cleaner Production, 19 9-10: 1080-1090.


Author McLellan, Benjamin C.
Williams, Ross P.
Lay, Janine
van Riessen, Arie
Corder, Glen D.
Title Costs and carbon emissions for geopolymer pastes in comparison to ordinary portland cement
Journal name Journal of Cleaner Production  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2011-06
Sub-type Article
DOI 10.1016/j.jclepro.2011.02.010
Volume number 19
Issue number 9-10
ISSN 0959-6526
Start page 1080
End page 1090
Total pages 11
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2012
Language eng
Formatted abstract Geopolymer concrete is seen as a potential alternative to standard concrete, and an opportunity to convert a variety of waste streams into useful by-products. One key driver in geopolymer development is the desire to reduce greenhouse gas emissions from the production of concrete products. This paper presents an examination of the lifecycle cost and carbon impacts of Ordinary Portland Cement (OPC) and geopolymers in an Australian context, with an identification of some key challenges for geopolymer development. The results of the examination show that there is wide variation in the calculated financial and environmental “cost” of geopolymers, which can be beneficial or detrimental depending on the source location, the energy source and the mode of transport. Some case study geopolymer concrete mixes based on typical Australian feedstocks indicate potential for a 44–64% reduction in greenhouse gas emissions while the financial costs are 7% lower to 39% higher compared with OPC.
Keyword Geopolymer
Cement
Fly ash
Sustainability
Carbon dioxide
Fly-ash
Concrete
Industry
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Publication date: June-July 2011.

 
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Created: Wed, 21 Sep 2011, 16:19:58 EST by Dr Glen Corder on behalf of Sustainable Minerals Institute