Electricity and substitute natural gas generation from the conversion of wastewater treatment plant sludge

Christian Bidart, Magnus Fröhling and Frank Schultmann

Applied Energy, 2014, vol. 113, issue C, 404-413

Abstract: In Chile, the energy that can potentially be obtained from the digestion of sludge generated from wastewater treatment processing (WwT) was calculated using a holistic approach. The different pathways of electricity generation via the direct combustion of biogas and upgraded biogas produced as bio-substitute natural gas (Bio-SNG) for injection into the gas grid were assessed and compared. Information such as the served population, WwT technology employed and geographical distribution of the sludge sources was gathered to estimate energy potential; additionally, technical and economic information was collected from the literature. Furthermore, economic modelling was employed for the purpose of comparing the two end-use alternatives.

Keywords: Wastewater treatment; Sludge; Biogas; Electricity; Substitute natural gas; Chile (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:113:y:2014:i:c:p:404-413

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DOI: 10.1016/j.apenergy.2013.07.028

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