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

Mobolaji Shemfe; Siddharth Gadkari; Eileen Yu; Shahid Rasul; Keith Scott; Ian M. Head; Sai Gu; Jhuma Sadhukhan

doi:10.1016/j.biortech.2018.01.071

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

Mobolaji Shemfe, Siddharth Gadkari, Eileen Yu, Shahid Rasul, Keith Scott, Ian M. Head, Sai Gu, Jhuma Sadhukhan^*

^*Corresponding author for this work

Mechanical and Construction Engineering Department

Research output: Contribution to journal › Article › peer-review

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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.

Original language	English
Pages (from-to)	39-49
Number of pages	11
Journal	Bioresource Technology
Volume	255
Early online date	4 Feb 2018
DOIs	https://doi.org/10.1016/j.biortech.2018.01.071
Publication status	Published - 1 May 2018

Keywords

Carbon dioxide capture and reuse
Circular economy
Electrochemical biorefinery
Resource recovery and productivity from waste
Technical systems for policy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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

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.",

keywords = "Carbon dioxide capture and reuse, Circular economy, Electrochemical biorefinery, Resource recovery and productivity from waste, Technical systems for policy",

author = "Mobolaji Shemfe and Siddharth Gadkari and Eileen Yu and Shahid Rasul and Keith Scott and Head, {Ian M.} and Sai Gu and Jhuma Sadhukhan",

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AU - Shemfe, Mobolaji

AU - Gadkari, Siddharth

AU - Yu, Eileen

AU - Rasul, Shahid

AU - Scott, Keith

AU - Head, Ian M.

AU - Gu, Sai

AU - Sadhukhan, Jhuma

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N2 - 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.

AB - 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.

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KW - Circular economy

KW - Electrochemical biorefinery

KW - Resource recovery and productivity from waste

KW - Technical systems for policy

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SN - 0960-8524

VL - 255

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EP - 49

JO - Bioresource Technology

JF - Bioresource Technology

ER -

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

Abstract

Keywords

UN SDGs

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