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Life cycle, techno-economic and dynamic simulation assessment of bioelectrochemical systems: A case of formic acid synthesis

descriptionPublicationkeyboard_double_arrow_right Article , Conference object , Journal 01 May 2018 United Kingdom Publisher:Elsevier BVJournal:Bioresource Technology, volume 255, pages 39-49 (issn: 0960-8524,

Authors: Shemfe M; Gadkari S; Yu E; Rasul S; Scott K; Head IM; Gu S; +1 Authors

doi: 10.1016/j.biortech.2018.01.071

pmid: 29414171

Life cycle, techno-economic and dynamic simulation assessment of bioelectrochemical systems: A case of formic acid synthesis

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Abstract

A novel framework, integrating dynamic simulation (DS), life cycle assessment (LCA) and techno-economic assessment (TEA) of a bioelectrochemical system (BES), has been developed to study for the first time wastewater treatment by removal of chemical oxygen demand (COD) by oxidation in anode and thereby harvesting electron and proton for carbon dioxide reduction reaction or reuse to produce products in cathode. Increases in initial COD and applied potential increase COD removal and production (in this case formic acid) rates. DS correlations are used in LCA and TEA for holistic performance analyses. The cost of production of HCOOH is €0.015-0.005 g-1 for its production rate of 0.094-0.26 kg yr-1 and a COD removal rate of 0.038-0.106 kg yr-1. The life cycle (LC) benefits by avoiding fossil-based formic acid production (93%) and electricity for wastewater treatment (12%) outweigh LC costs of operation and assemblage of BES (-5%), giving a net 61MJkg-1 HCOOH saving.

Country

United Kingdom

Related Organizations

University of Surrey
United Kingdom
Northumbria University
United Kingdom
Newcastle University
United Kingdom
Northumbria University
United Kingdom

Keywords

Biological Oxygen Demand Analysis, 660, Formates, Bioelectric Energy Sources, H800, Wastewater, C700, Electricity, Electrodes

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