|2013/14 R&D Project Grants|
|Pre-Treatment of Flue Gas and CO2 Capture Project|
|$350,000 funding for 'Combined low-cost pre-treatment of flue gas and capture of CO2 from brown coal-fired power stations using a novel integrated process concept – closing the Sulphur loop (coCAPco2)'; submitted by Commonwealth Scientific and Industrial Research Organisation (CSIRO). Project participants include AGL Loy Yang Pty Ltd and Energy Australia.|
|This project builds upon earlier BCIA-funded research and aims to significantly reduce capital costs – by up to $200 million for a 550MW plant - in retrofitted post-combustion capture of CO2 from coal-fired power stations. |
The research objective is to integrate the removal of sulphur (SO2) and carbon (CO2) in a single column, with a single liquid absorbent, thus removing the requirement for a separate flue gas desulphurisation unit.
The initial BCIA-funded research project proved the sulphur pre-treatment and CO2 removal steps could be successfully integrated into a combined process for amine and amino acid-based liquid absorbents. That project obtained a proof-of-concept for the amino acid system through collaboration with an European consortium (iCap).
This project aims to obtain a proof-of-concept for the removal of sulphur from amine based absorbents utilised in the combined SO2/CO2 removal process.
Researchers will focus on the feasibility and cost-effectiveness of a range of methods for regeneration of these liquid absorbents including distillation and alternatives such as crystallisation, electrodialysis, ion-exchange and nanofiltration.
The research project is targeting a $40 to $50 per tonne avoided CO2 cost with specific application to Victorian brown coal-fired power plants.
|The technology concept could be further developed and utilised to retrofit the State's existing power stations and existing flue gas desulphurisation units throughout the world. |
The expected outcomes of this project will also feed into the development route for deployment of a new combined technology as a viable alternative to the installation of a flue gas desulphurisation unit prior to post-combustion capture of CO2.
The research plan comprises crystallisation and alternatives, such as nanofiltration, electro-dialysis, ion-exchange and distillation, to determine the best option for scale-up and continuous evaluation of the coCAPco process.