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University of Sheffield
University of Sheffield:
Professor Jon Gibbins
Professor Mathieu Lucquiaud
TERC & University of Sheffield:
Dr Muhammad Akram
This project will develop and demonstrate a suite of three, complementary, analytical techniques will be developed and demonstrated to measure:
a) real time solvent amine concentration and CO2 loadings and general solvent condition using precise density and viscosity measurements with novel data processing;
b) precise solvent composition using industrially-relevant gas chromatography procedures;
c) comprehensive characterisation of degradation products solvents and waste reject streams by combined thermogravimetric analysis and mass spectroscopy with advanced statistical interpretation. These methods are generic and applicable to the full-range of solvents and industries that will be deployed in UK clusters.
Key features of the project:
Guidance from the Environmental Agency (EA) on PCC deployment in the UK states that project developers states that “You should use process control monitoring …. to control the CO2 capture and the quality of the solvent reclaiming.” and lists parameters including absorber solvent quality, CO2 loading both rich and lean solvent, heat stable salt and degradation products. These recommendations are based on a review of Best Available Technology for biomass and power, now being extended to refining, cement and other industries, undertaken by the academic researchers leading this proposal.
This project will undertake the development and demonstration of a suite of three, complementary, analytical techniques using MEA and analogues for commercial low-energy, blended solvents, piperazine+AMD and piperazine+MDEA.
Continuous traces of an amine capture plant’s response to control system inputs, from an early prototype of the real-time monitoring instrument, compared with results from intermittent sampling with offline analysis. This shows what operators are missing with conventional instrumentation.
 B. Buschle, “Solvent Analysis Instrumentation Options for the Control and Flexible Operation of Post Combustion Carbon Dioxide Capture Plants,” University of Edinburgh, 2015.
Key outputs include reports on GC analysis methods for all solvents, laboratory sensor tests (static and flow) for all solvents, TERX amine capture plant sensor and application tests, TGA-MS analysis methods for all solvents.