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Technical evaluation of post-combustion CO2 capture and hydrogen production industrial symbiosis

By Adeel Ghayur and Vincent Verheyen

Abstract

The aim of this study is to develop an industrial ecosystem whereby wastes/products from a Post-combustion CO2 Capture (PCC) plant are utilised in a hydrogen biorefinery. Subsequently, five hydrogen biorefinery models are developed that use PCC's model amine i.e. monoethanolamine (MEA) as a nitrogen source during microbial hydrogen production and CO2 as a process chemical. Technical evaluations of the five case models are carried out to identify the ones that maximise value by multiproduct generation from biomass and fulfil total/partial parasitic energy demand. The case meeting these criteria, produces 3.1t of succinylated lignin adhesive, 4.9t of dry compost and 2744 kWh of electricity from 10t (dry) of sawdust feedstock, daily. Its daily power and heat duties stand at 3906 kWh and 52.1 GJ respectively. Simulations also demonstrate biohydrogen's potential as an energy storage vector for peak/backup power with an annual 1001.4 MWh of power storage capacity from 10t/d feedstock. © 2018 Hydrogen Energy Publications LL

Topics: 03 Chemical Sciences, 09 Engineering, Biohydrogen, Biorefinery, CO2 capture, Industrial ecology, Waste
Publisher: Elsevier Ltd
Year: 2018
DOI identifier: 10.1016/j.ijhydene.2018.02.069
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