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Techno-Economic Assessment for CO2 Capture From Air Using a Conventional Liquid-Based Absorption Process Open
In this study, the process of carbon dioxide (CO2) capture directly from ambient air in a conventional monoethanolamine (MEA) absorption process was simulated and optimized using a rate-based model in Aspen Plus. The process aimed to captu…
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A comparative study of MEA and DEA for post-combustion CO2 capture with different process configurations Open
This paper presented a comparative study of monoethanolamine (MEA) and diethanolamine (DEA) for post-combustion CO2 capture (PCC) process with different process configurations to study the interaction effect between solvent and process. Th…
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A review on process intensification in <span>HiGee</span> distillation Open
This review paper describes the state‐of‐the‐art in the field of HiGee contactors used for gas–liquid mass transfer processes, with a special focus on distillation, and for heterogeneously catalyzed reactions. Several types of rotating bed…
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ASPEN PLUS simulation model for CO 2 removal with MEA: Validation of desorption model with experimental data Open
The chemical absorption process has been extensively studied as one of the main carbon capture and separation technologies. This process comprises two stages: The absorption of CO2 into the solvent and the desorption, to regenerate the sol…
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Microwave regeneration of monoethanolamine aqueous solutions used for CO2 capture Open
Aqueous amine absorbents are widely used in post-combustion CO2 capture processes. To strip the CO2, the solutions are usually heated around 110–140 °C using a steam reboiler located at the bottom of the regeneration column. In this work, …
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Experimental results of advanced technological modifications for a CO2 capture process using amine scrubbing Open
This paper provides a discussion of the experimental results obtained at the amine-based carbon capture pilot plant having the capacity of 200 m3n/h of flue gas, using 30 wt% ethanolamine solution as a solvent. The objective was to prove t…
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Evaluating the Feasibility of a TSA Process Based on Steam Stripping in Combination with Structured Carbon Adsorbents To Capture CO<sub>2</sub> from a Coal Power Plant Open
The present work evaluates the feasibility to capture at least 85% of the CO2 emitted by an advanced supercritical pulverized coal power plant of 800 MWe, delivering a CO2 product with a purity of 95% (dry basis) or higher, using an adsorp…
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Optimization and Dynamics of Distillation Column Using Aspen Plus® Open
Ever increasing global energy demand necessitates the need to enhance energy generation and efficient utilization. As energy prices continue to rise, energy conservation is the prime concern for every industry. Distillation is probably the…
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Feasibility Assessment of CO2 Capture Retrofitted to an Existing Cement Plant: Post-combustion vs. Oxy-fuel Combustion Technology Open
This research presents a preliminary techno-economic evaluation of CO2 capture integrated with a cement plant. Two capture technologies are evaluated, monoethanolamine (MEA) post-combustion CO2 capture and oxy-fuel combustion. Both are con…
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New solvent blends for post-combustion CO2 capture Open
In the current work five different solvent blends are experimentally studied and the reboiler duties are calculated using the so-called short-cut method. Tertiary amines, 2-(diethylamino)ethanol (DEEA), 3-(Diethylamino)-1,2-propanediol (DE…
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A strategy for CO2 capture and utilization towards methanol production at industrial scale: An integrated highly efficient process based on multi-criteria assessment Open
CO2 capture and utilization are an effective solution to the problem of CO2 emissions, and a combination of ammonia-based CO2 capture and its use for methanol production is a highly feasible strategy. However, the uses of conventional tech…
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Thermal integration of waste to energy plants with Post-combustion CO2 capture Open
Waste-to-Energy (WtE) is becoming an important application sector for carbon capture utilization and storage (CCS) implementation due to both its role in urban waste management and its inherent potential of achieving negative emissions. Th…
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Novel process design for waste energy recovery of LNG power plants for CO2 capture and storage Open
In an liquefied natural gas (LNG) power plant, the amine scrubbing and CO2 liquefaction process are generally employed for CO2 capture and storage (CCS) because it is suitable for large-scale plants. However, a large amount of hot and cold…
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Optimization of coal-based methanol distillation scheme using process superstructure method to maximize energy efficiency Open
Despite the current methanol distillation system (MDS) touching a highly energy-efficient level, there are still opportunities to cut more corners when moving eyesight from heating media to electricity and work efficiency of rotary equipme…
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Energy Minimization in Piperazine Promoted MDEA-Based CO2 Capture Process Open
A piperazine (PZ)-promoted methyldiethanolamine (MDEA) solution for a carbon dioxide (CO2) removal process from the flue gas of a large-scale coal power plant has been simulated. An Aspen Plus® was used to perform the simulation process. I…
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Environmental, health and safety assessment of post-combustion CO2 capture processes with phase-change solvents Open
A class of solvents for chemisorption-based CO2 capture, phase-change solvents, promises significant energy reductions due to liquid-liquid phase separation and partial solvent recycling before CO2 desorption. Although energy consumption i…
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Optimization of post combustion CO2 absorption system monoethanolamine (MEA) based for 320 MW coal-fired power plant application – Exergy and exergoenvironmental analysis Open
Carbon Capture and Storage (CCS) technology which has been widely used, such as CO2 absorption system, still has environmental and energy issues. Further investigations should be carried out by understanding the causes of inefficiency in t…
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Dynamic Process Model Validation and Control of the Amine Plant at CO2 Technology Centre Mongstad Open
This paper presents a set of steady-state and transient data for dynamic process model validation of the chemical absorption process with monoethanolamine (MEA) for post-combustion CO2 capture of exhaust gas from a natural gas-fired power …
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Ultrasound intensify CO2 desorption from pressurized loaded monoethanolamine solutions. II. Optimization and cost estimation Open
Optimization and cost estimation were performed for the use of ultrasound for intensifying CO2 reboiler stripping from lean monoethanolamine (MEA) aqueous solutions at 1.0 barg. This work was based on typical industrial reboiler operation …
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Enhanced process for energy efficient extraction of 1,3-butadiene from a crude C4 cut Open
1,3-butadiene is an essential platform chemical for producing rubberlike polymers, which is extracted from C4 hydrocarbons that are produced through steam cracking. The current state-of-the-art technology is the BASF process that uses ther…
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Flexible operation of post-combustion CO2 capture at pilot scale with demonstration of capture-efficiency control using online solvent measurements Open
Flexible post-combustion carbon capture and storage (CCS) has the potential to play a significant part in the affordable decarbonisation of electricity generation portfolios. PCC plant operators can modify capture plant process variables t…
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An elevated-pressure cryogenic air separation unit based on self-heat recuperation technology for integrated gasification combined cycle systems Open
An advanced elevated-pressure cryogenic ASU (air separation unit) for IGCC (Integrated gasification combined cycle) system was proposed based on self-heat recuperation technology. In the proposed ASU, only one distillation column was used …
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Modeling and simulation of the start-up process of coal fired power plants with post-combustion CO2 capture Open
A detailed model of a post-combustion CO₂ capture plant (pcc-plant) is developed in the Modelica ® language which allows the simulation of start-up and shutdown processes. The model of the pcc-plant is coupled to a simplified model of a co…
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Energy-efficient process intensification for post-combustion CO2 capture: A modeling approach Open
High energy consumption remains a challenge for the amine-based post-combustion CO2 capture in thermal power plants. Process intensification is a feasible way to reduce heat requirement effectively in a CO2 capture process. In this work, w…
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Technical and economic evaluation of triethylene glycol regeneration process using flash gas as stripping gas in a domestic natural gas dehydration unit Open
Natural gas from an underground reservoir is typically saturated with water vapor. Removal of this water vapor is required in the gas processing to avoid serious problems. This study investigated the technical and economic aspects of a tri…
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Capture of CO<sub>2</sub> from Steam Reformer Flue Gases Using Monoethanolamine: Pilot Plant Validation and Process Design for Partial Capture Open
Carbon dioxide (CO2) capture from a slipstream of steam reformer flue gas (18–20 vol %wet CO2) using 30 wt % aqueous monoethanolamine was performed for ∼500 h in a mobile test unit (∼120 kg CO2/h). Specific reboiler duties (SRDs) of 3.6–3.…
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Experimental results of transient testing at the amine plant at Technology Centre Mongstad: Open-loop responses and performance of decentralized control structures for load changes Open
Flexible operation of combined cycle thermal power plants with chemical absorption post combustion CO2 capture is a key aspect for the development of the technology. Several studies have assessed the performance of decentralized control st…
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Optimum heat of absorption for CO 2 capture using the advanced flash stripper Open
Solvent selection is one of the promising ways to reduce energy use of amine scrubbing for CO2 capture. The heat of CO2 absorption is an important property of the solvent. Its effect on total energy use is not obvious: it directly increase…
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Gas sweetening simulation and its optimization by two typical amine solutions: An industrial case study in Persian Gulf region Open
The selective removal of acid gases using amine-based solutions is a significant process in the petroleum and natural gas industries. This work investigates the effectiveness of two common chemical solvents of Methyl Diethanolamine (MDEA) …
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Simulation and comprehensive study of an optimum process for CO2 capture from flue gas; technical, economic, and environmental analyses Open
An optimum process with a novel method for improving the thermodynamic efficiency of the conventional post-combustion process based on a mono-ethanolamine (MEA) 30 wt% solvent is presented. The presented process, by preheating the rich sol…