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Full-Text Articles in Mechanical Engineering
Thermal Degradation Pathways Of Aqueous Diamine Co2 Capture Solvents, Jesse Thompson, Henry Richburg, Kunlei Liu
Thermal Degradation Pathways Of Aqueous Diamine Co2 Capture Solvents, Jesse Thompson, Henry Richburg, Kunlei Liu
Center for Applied Energy Research Faculty and Staff Publications
Diamines have shown promise as CO2 capture solvents, yet very little is known about their pathway for thermal degradation. In this study, diamine thermal degradation was quantitatively monitored in lab-scale experiments on four aqueous diamine solvents; ethylenediamine (EDA) 1,2-propanediamine (1,2-DAP), 1,3-diaminopropane (1,3-DAP) and N-methyl-1,2-ethanediamine (NMEDA), to gain a more comprehensive understanding of their degradation pathway(s). The major degradation products were identified by high resolution time-of-flight mass spectrometry (TOF-MS). Degradation pathways were proposed showing that the primary thermal degradation route for this class of amine are through carbamate formation followed by intermolecular cyclization to form an imidazolidinone or nucleophilic attack …
Solubility And Thermodynamic Modeling Of Carcinogenic Nitrosamines In Aqueous Amine Solvents For Co2 Capture, Jesse Thompson, Naser Matin, Kunlei Liu
Solubility And Thermodynamic Modeling Of Carcinogenic Nitrosamines In Aqueous Amine Solvents For Co2 Capture, Jesse Thompson, Naser Matin, Kunlei Liu
Center for Applied Energy Research Faculty and Staff Publications
A better understanding of key fundamental properties of nitrosamines, including their solubility in aqueous amine solvents, is needed to understand and accurately model the vapor-phase emission levels from operating CO2 capture systems. In this work, the first experimental Henry's volatility coefficient of a nitrosamine was obtained with a novel method using static headspace solid phase micro extraction (SPME) and gas chromatography mass spectrometry (GC/MS). The experimentally determined Henry's volatility coefficient of nitrosopyrrolidine (NPY) was found to be around 0.02 (dimensionless) at 25 °C, and falls in the range of a semi-volatile compound. A linear temperature dependency of the Henry's …
Planning Of Methane Emission Control From Hoggery Using An Inexact Two-Stage Optimization Model., Wei-Hsin Chen
Planning Of Methane Emission Control From Hoggery Using An Inexact Two-Stage Optimization Model., Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
Co2 Conversion For Syngas Production In Methane Catalytic Partial Oxidation., Wei-Hsin Chen
Co2 Conversion For Syngas Production In Methane Catalytic Partial Oxidation., Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
Characterization Of Transient Co2 Transport In Two Convecting Aerosol Droplets In Tandem, Wei-Hsin Chen
Characterization Of Transient Co2 Transport In Two Convecting Aerosol Droplets In Tandem, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
Carbon Dioxide Capture By Single Droplet Using Selexol, Rectisol And Water As Absorbents: A Theoretical Approach, Wei-Hsin Chen
Carbon Dioxide Capture By Single Droplet Using Selexol, Rectisol And Water As Absorbents: A Theoretical Approach, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
Numerical Prediction Ofco2capture Process Byasingle Droplet Inalkaline Spray, Wei-Hsin Chen
Numerical Prediction Ofco2capture Process Byasingle Droplet Inalkaline Spray, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
Influence Of Droplet Mutual Interaction On Carbon Dioxide Capture Process In Sprays, Wei-Hsin Chen
Influence Of Droplet Mutual Interaction On Carbon Dioxide Capture Process In Sprays, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
A Study Of Influence Of Acoustic Excitation On Carbon Dioxide Capture By A Droplet, Wei-Hsin Chen
A Study Of Influence Of Acoustic Excitation On Carbon Dioxide Capture By A Droplet, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
A Theoretical Analysis Of The Capture Of Greenhouse Gases By Single Water Droplet At Atmospheric And Elevated Pressures, Wei-Hsin Chen
A Theoretical Analysis Of The Capture Of Greenhouse Gases By Single Water Droplet At Atmospheric And Elevated Pressures, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.
Microphysics Of Atmospheric Carbon Dioxide Uptake By A Cloud Droplet Containing A Solid Nucleus, Wei-Hsin Chen
Microphysics Of Atmospheric Carbon Dioxide Uptake By A Cloud Droplet Containing A Solid Nucleus, Wei-Hsin Chen
Wei-Hsin Chen
No abstract provided.