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

Shemfe, Mobolaji, Gadkari, Siddharth, Yu, E, Rasul, S, Scott, K, Head, I, Gu, Sai and Sadhukhan, Jhuma (2018) Life cycle, techno-economic and dynamic simulation assessment of bioelectrochemical systems: A case of formic acid synthesis Bioresource Technology, 255. pp. 39-49.

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Abstract

A novel framework integrating dynamic simulation (DS), life cycle assessment (LCA) and techno-economic assessment (TEA) of 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 €0.015–0.005g–1 for its production rate of 0.094–0.26kgyr–1 and a COD removal rate of 0.038–0.106kgyr–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-1HCOOH saving.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Centre for Environmental Strategy
Authors :
NameEmailORCID
Shemfe, Mobolajim.shemfe@surrey.ac.uk
Gadkari, Siddharths.gadkari@surrey.ac.uk
Yu, E
Rasul, S
Scott, K
Head, I
Gu, Saisai.gu@surrey.ac.uk
Sadhukhan, JhumaJ.Sadhukhan@surrey.ac.uk
Date : 4 February 2018
Funders : EPSRC; NERC
Identification Number : 10.1016/j.biortech.2018.01.071
Copyright Disclaimer : © 2018 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/).
Uncontrolled Keywords : Resource recovery and productivity from waste; Technical systems for policy; Circular economy; Electrochemical biorefinery; Carbon dioxide capture and reuse
Depositing User : Melanie Hughes
Date Deposited : 15 Jan 2018 11:23
Last Modified : 04 Jul 2018 09:14
URI: http://epubs.surrey.ac.uk/id/eprint/845608

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