Machine learning for industrial processes: forecasting amine emissions from a carbon capture plant

One of the main environmental impacts of amine-based carbon capture processes is the emission of the solvent into the atmosphere. To understand how these emissions are affected by the intermittent operation of a power plant, we performed stress tests on a plant operating with a mixture of two amines, 2-amino-2-methyl-1-propanol and piperazine ...

Results of the 18-month test with MEA at the post-combustion capture pilot plant at Niederaussem: new impetus to solvent management, emissions and dynamic behaviour

An almost continuous 13,000 h long-term testing under real operating conditions was conducted at the post combustion capture pilot plant in the Niederaussem lignite-fired power plant, with a 30 wt% aqueous monoethanolamine (MEA) solvent solution. The capture plant at Niederaussem shows lower solvent consumption and emissions in comparison to...

Precipitating amino acid solutions

Online corrosion monitoring in a postcombustion CO2 capture pilot plant and its relation to solvent degradation and ammonia emissions

Corrosion in amine treating plants is known to cause integrity failures, plant shutdown, costly repairs, and so forth. The use of an amine treatment system for postcombustion CO2 capture brings additional challenges in terms of the flue gas quality, flue gas composition, operating conditions, scale of operation, and so forth. These differences...

Economic assessment of novel amine based CO2 capture technologies integrated in power plants based on European Benchmarking Task Force methodology

The objective of this paper is to assess the economic advantages of an innovative solvent for CO2 capture on state-of-the-art solvents. The CESAR-1 solvent, which is an aqueous solution of 2-amino-2-methyl-propanol (AMP) and piperazine (PZ), is applied both to advanced supercritical pulverised (ASC) coal and natural gas combined cycle (NGCC)...

Analysis of process configurations for CO2 capture by precipitating amino acid solvents

Precipitating amino acid solvents are an alternative to conventional amine scrubbing for CO2 capture from flue gas. Process operation with these solvents leads to the formation of precipitates during absorption that need to be re-dissolved prior to desorption of CO2. The process configuration is crucial for the successful application of these...

Thermodynamic assessment of amine based CO2 capture technologies in power plants based on European Benchmarking Task Force methodology

Post combustion CO2 capture (PCC) with amine solvents is seen as one of the possible technologies which can be implemented in the near term to significantly reduce CO2 emissions from fossil fuel power plants. One of the major concerns for its implementation at large scale in power plants is the high capital and operating costs of the technology....

Precipitating amino acid solvents for CO2 capture: Opportunities to reduce costs in post combustion capture

Post-combustion CO2 capture based on absorption and thermal desorption is considered a suitable technology for carbon abatement in fossil fuelled power plants. The economic viability of post-combustion capture has been widely studied. The major drawbacks of this technology are the efficiency penalties and high operating cost related to solvent...

Conceptual design of a novel CO2 capture process based on precipitating amino acid solvents

Amino acid salt based solvents can be used for CO2 removal from flue gas in a conventional absorption-thermal desorption process. Recently, new process concepts have been developed based on the precipitation of the amino acid zwitterion species during the absorption of CO2. In this work, a new concept is introduced which requires the...

Third generation capture system: Precipitating amino acid solvent systems

This work summarises the results of the design of novel separation processes for CO2 removal from flue gas based on precipitating amino acid solvents. The processes here described (DECAB, DECAB Plus and pH-swing) use a combination of enhanced CO2 absorption (based on the Le Chatelier’s principle) and / or enhanced CO2 desorption (based on pH...

New process concepts for CO2 capture based on precipitating amino acids

This work summarises the results of the design of novel separation processes for CO2 removal from flue gas based on precipitating amino acid solvents. The processes here described (DECAB, DECAB Plus and pH-swing) use a combination of enhanced CO2 absorption ( ) and / or enhanced CO2 desorption (based on pH-shift), which contribute substantially...

Novel process designs to improve the efficiency of postcombustion carbon dioxide capture

The term carbon dioxide capture and storage (CCS) refers to a range of technologies that can reduce CO2 emissions from fossil fuels enabling the continued use of this fuel type without compromising the security of electricity supply. The technologies applicable to CCS differ in many key aspects; the stage of the electricity generation process at...

Optimisation of lean vapour compression (LVC) as an option for post-combustion CO2 capture: Net present value maximisation

Many process schemes have been proposed in literature to decrease the energy demand of amine based carbon dioxide processes. These process schemes are generally analysed in terms of energy demand savings and compared to a common baseline based on the solvent monoethanolamine (MEA). In this work, the application of one of these process schemes ...

Integration between a demo size post-combustion CO2 capture and full size power plant: An integral approach on energy penalty for different process options

CO2 capture based on post-combustion capture has the potential to significantly reduce the CO2 emissions from coal-fired power plants. However, this capture process reduces considerably the energy efficiency of the power plant. To reduce this energy penalty, this paper studies different post-combustion CO2 capture process configurations combined...

DECAB: Process development of a phase change absorption process

This work describes the conceptual design of a novel separation process for CO2 removal from flue gas based on precipitating solvents. The process here described (DECAB) is an enhanced CO2 absorption based on the Le Chatelier's principle, which states that reaction equilibrium can be shifted by removing one of the constituents in the reaction. A...

AMP/PZ emissions: Maasvlakte pilot plant measurements and modelling

Thermo pervap: The next step in energy efficient pervaporation

Thermo pervaporation (PV) is a pervaporation process that makes use of low quality heat to recover or purify solvents from water. Based on this technology it is possible to integrate the condensation energy for the direct heating of the feed during pervaporation in one single module. This concept was experimentally investigated for the...