Blar i Institutt for kjemisk prosessteknologi på tidsskrift "Energy Procedia"
Viser treff 1-20 av 27
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A numerical solution strategy for dynamic simulation of post-combustion CO2 capture
(Journal article; Peer reviewed, 2013)This paper describes in detail the numerical solution of a dynamic process developed for post-combustion absorption based CO2 capture. The method used in this work is sequential modular integration. This means that each ... -
Activity-based Kinetics of the Reaction of Carbon Dioxide with Aqueous Amine Systems. Case studies: MAPA and MEA
(Journal article; Peer reviewed, 2013) -
Calorimetric Studies of Precipitating Solvent System
(Journal article; Peer reviewed, 2017)Calorimetric study of a precipitating solvent system of Potassium-Taurate (KTAU) was performed in the CPA202 calorimeter. Two different experiments were conducted, i.e. heat of absorption of CO2 in KTAU solvent at different ... -
Challenges Related to Analysis of Anions in Degraded Samples from Pilot and Lab Experiments
(Journal article; Peer reviewed, 2016)Analyses of degraded samples from CO2 capture experiments and pilots are complicated because of the diversity of the degradation compounds and the high amine and CO2 contents in the samples. Little work has been conducted ... -
CO2 absorption with membrane contactors vs. packed absorbers-Challenges and opportunities in post combustion capture and natural gas sweetening
(Journal article; Peer reviewed, 2013)The present work presents a case study where membrane contactors are compared with absorption towers for post combustion CO2 capture and for natural gas sweetening. Simulations are performed using a absorber model which ... -
CO2 Capture by Aqueous 3-(Methylamino)propylamine in Blend with Tertiary Amines: An NMR Analysis
(Journal article; Peer reviewed, 2017)Aqueous 3-(Methylamino)propylamine (MAPA) in blend with 2-(Diethylamino)ethanol (DEEA) and other tertiary amines, which mainly differ from DEEA in the number of hydroxyl functions (-OH) and/or in the length and structure ... -
Corrosion Evaluation of MEA Solutions by SEM-EDS, ICP-MS and XRD
(Journal article; Peer reviewed, 2016)The target of this work is to evaluate three analytical techniques, ICP-MS, SEM-EDS and XRD, which can be applied in corrosion monitoring of ethanolamine based post-combustion CO2 capture plants. The work is based on ... -
Destruction of nitrosoamines with UV-light
(Journal article; Peer reviewed, 2013)In this paper the destruction of nitrosamines (NDMA and NDELA) in 30wt% MEA, 50wt% DEA and water wash solutions with UV-irradiation are presented and linked to measured penetration depths of UV- light. The results show ... -
Determination of kinetics of CO2 absorption in unloaded and loaded DEEA+MAPA blend
(Journal article; Peer reviewed, 2017)Alkanolamine blends are of high interest as solvents to enhance the CO2 capture technology in comparison to the traditional 5 M MEA. In the present work, the mass transfer and kinetics coefficients of the unloaded and ... -
Dynamic modeling of the solvent regeneration part of a CO2 capture plant
(Journal article; Peer reviewed, 2013)In this work, a system of unit operations is modeled and implemented in MATLAB for dynamic simulation of the regeneration part of the CO2 capture process. The system consists of a stripper, a reboiler and a condenser, and ... -
Effect of Amine Volatility on Aerosol Droplet Development in Absorption Columns
(Journal article; Peer reviewed, 2017)In absorption processes aerosols are generated by spontaneous condensation or desublimation processes in supersaturated gas phases. Amine volatility is a vital screening parameter for amines to be used in CO2 capture. ... -
Effect of MEA's degradation products on corrosion at CO2 capture plants
(Journal article; Peer reviewed, 2014)Amine degradation and corrosion can be a severe operational problem in the CO2 absorption process. In this paper the effect of MEA's degradation products on corrosion is studied. Different solutions of MEA 30wt% containing ... -
eNRTL Parameter Fitting Procedure for Blended Amine Systems: MDEA-PZ Case Study
(Journal article; Peer reviewed, 2013) -
Experimental Observation of CO2 Dry-ice Behavior in an Evaporator/Sublimator
(Journal article; Peer reviewed, 2017)In the evaporator/sublimator process of CO2 (R744) ultra-low temperature cascade heat pump system, it is known, as a problem, that dry-ice blockage makes the system operation fail. The design of an expanding channel for ... -
Heat of absorption of carbon dioxide (CO2) into aqueous N-methyldiethanolamine (MDEA) and N,N-dimethylmonoethanolamine (DMMEA)
(Journal article; Peer reviewed, 2014)In this work the heat of absorption of CO2 into aqueous solutions of N-methyldiethanolamine (MDEA) and N,N- dimethylmonoethanolamine (DMMEA) has been investigated in a reaction calorimeter. The experiments were conducted ... -
Heat of Absorption of CO2 in Aqueous Solution of DEEA, MAPA and their Mixture
(Journal article; Peer reviewed, 2013)A reaction calorimeter was used to measure the differential heat of absorption of CO2 in phase change solvents as a function of temperature, CO2 loading and solvent composition. The measurements were taken for aqueous ... -
Highlights and Main Findings from the 8 Year SOLVit R&D Programme – Bringing Solvents and Technology from Laboratory to Industry
(Journal article; Peer reviewed, 2017)SOLVit is an eight year (2008 – 2015) and 37 million Euro research programme focusing on developing energy efficient and environmental friendly post combustion carbon capture systems for large-scale industrial CO2 emissions. ... -
Influence of Functionalized Nanoparticles on the CO2/N2 Separation Properties of PVA-based Gas Separation Membranes
(Journal article; Peer reviewed, 2017)This work investigated the influence of amino-functionalized polyhedral oligomeric silsesquioxane (amine-POSS®) nanoparticles dispersed in a polyvinyl alcohol (PVA) matrix applied as a CO2-selective gas separation membrane. ... -
Liquid-solid Solubility in AMP-KSAR-CO2-H2O System
(Journal article; Peer reviewed, 2017)Solid-liquid solubility of an example novel precipitating solvent system (NPSS); an aqueous blend of AMP and KSAR with and without CO2 were studied to determine the crystallization and dissolution regimes as well as the ... -
Mechanisms and Reaction Pathways in MEA Degradation; A Computational Study
(Journal article; Peer reviewed, 2014)The mechanistic details on formation of HEGly and HEPO in MEA degradation are studied using the ab initio and density functional theory methods. The energetics of various pathways leading to formation of HEGly and HEPO are ...