Please cite this article in press as: Liang, Z., et al., Recent progress and new developments in post-combustion carbon-capture technology with amine based solvents. Int. J. Greenhouse Gas Control (2015), http://dx.Keywords: Recent development of PCC process Design and modeling Solvent development Post Build Operations Solvent chemistry Solvent management Mass transfer with reaction a b s t r a c tCurrently, post-combustion carbon capture (PCC) is the only industrial CO 2 capture technology that is already demonstrated at full commercial scale in the TMC Mongstad in Norway (300,000 tonnes per year CO 2 captured) and BD3 SaskPower in Canada (1 million tonnes per year CO 2 captured). This paper presents a comprehensive review of the most recent information available on all aspects of the PCC processes. It provides designers and operators of amine solvent-based CO 2 capture plants with an in-depth understanding of the most up-to-date fundamental chemistry and physics of the CO 2 absorption technologies using amine-based reactive solvents. Topics covered include chemical analysis, reaction kinetics, CO 2 solubility, and innovative configurations of absorption and stripping columns as well as information on technology applications. The paper also covers in detail the post build operational issues of corrosion prevention and control, solvent management, solvent stability, solvent recycling and reclaiming, intelligent monitoring and plant control including process automation. In addition, the review discusses the most up-to-date insights related to the theoretical basis of plant operation in terms of thermodynamics, transport phenomena, chemical reaction kinetics/engineering, interfacial phenomena, and materials. The insights will assist engineers, scientists, and decision makers working in academia, industry and government, to gain a better appreciation of the post combustion carbon capture technology.
A comparative study of gas chromatography−mass spectrometry (GC-MS), high-performance liquid
chromatography−refractive index detection (HPLC-RID), and capillary electrophoresis−diode array detection
(CE-DAD) techniques was carried out for the purpose of analyzing MEA and its degradation products in
MEA/H2O/O2 and MEA/H2O/O2/CO2 systems. The experiments were conducted in a 600-mL reactor using
an MEA concentration of 5 kmol/m3, an O2 pressure of 250 kPa, a CO2 loading of 0.51 mol of CO2/mol of
MEA, and degradation temperatures of 328−393 K. GC-MS using an HP-35MS column (intermediate polarity)
performed the best only if analysis of the degradation products was of interest, whereas HP-Innowax (high-polarity column) was best only if analysis of MEA was required. Analyses of the same sample using two
different columns (e.g., HP-35MS and HP-Innowax) would be required if both MEA and its degradation
products are to be followed. HPLC-RID using a Nucleosil column with phosphate buffer was the best and
only technique in which simultaneous analysis of MEA and degradation products was possible. CE-DAD
using phosphate and borate electrolytes was able to detect degradation products. Because the results in terms
of degradation product distribution, decline of MEA, and role played by CO2 as observed by all techniques
were consistent, a combination of these techniques is recommended for confirming MEA oxidative degradation
systems.
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