Theodore T. Tsotsis
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View article: Plasma polymerization of 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane onto silicone oils
Plasma polymerization of 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane onto silicone oils Open
Vapor phase deposition of polymer films onto liquid substrates can be used to fabricate ultrathin films for a range of applications. However, a significant challenge arises when the monomer is soluble into the liquid substrate due to their…
View article: Final Technical Report: Center for Mechanistic Control of Unconventional Formations
Final Technical Report: Center for Mechanistic Control of Unconventional Formations Open
The overarching mission of the Center for Mechanistic Control of Unconventional Formations (CMC-UF) was to garner cross-cutting, fundamental, geoscience knowledge to achieve mechanistic control over the strongly coupled nonequilibrium phys…
View article: Field-Scale Testing of a High-Efficiency Membrane Reactor (MR)—Adsorptive Reactor (AR) Process for H2 Generation and Pre-Combustion CO2 Capture
Field-Scale Testing of a High-Efficiency Membrane Reactor (MR)—Adsorptive Reactor (AR) Process for H2 Generation and Pre-Combustion CO2 Capture Open
The study objective was to field-validate the technical feasibility of a membrane- and adsorption-enhanced water gas shift reaction process employing a carbon molecular sieve membrane (CMSM)-based membrane reactor (MR) followed by an adsor…
View article: Local Rearrangement in Adsorption Layers of Nanoconfined Ethane
Local Rearrangement in Adsorption Layers of Nanoconfined Ethane Open
Fluids under nanoconfinement control many environmental and engineering processes. In particular, nanoconfined ethane commonly occurs in hydrocarbon production and gas separation applications. While previous research has measured the pore …
View article: Hybrid adsorptive membrane reactor
Hybrid adsorptive membrane reactor Open
A hybrid adsorbent-membrane reactor in which the chemical reaction, membrane separation, and product adsorption are coupled. Also disclosed are a dual-reactor apparatus and a process using the reactor or the apparatus.
View article: Advanced Ceramic Membranes/Modules for Ultra Efficient Hydrogen (H2) Production/Carbon Dioxide (CO2) Capture for Coal-Based Polygeneration Plants: Fabrication, Testing, and CFD Modeling
Advanced Ceramic Membranes/Modules for Ultra Efficient Hydrogen (H2) Production/Carbon Dioxide (CO2) Capture for Coal-Based Polygeneration Plants: Fabrication, Testing, and CFD Modeling Open
Inorganic membrane-based systems are a promising technology for precombustion CO2 capture with simultaneous H2 production. State-of-the-art packages for high temperature and pressure service consist of multiple tube membrane bundles prepar…
View article: On Process Intensification through Membrane Storage Reactors
On Process Intensification through Membrane Storage Reactors Open
In this work, a dynamic, one-dimensional, first principle-based model of a novel membrane storage reactor (MSR) process is developed and simulated. The resulting governing equations are rendered dimensionless and are shown to feature two d…
View article: Impact of exposure to brine/CO<sub>2</sub> on the mechanical and transport properties of the Mt. Simon Sandstone
Impact of exposure to brine/CO<sub>2</sub> on the mechanical and transport properties of the Mt. Simon Sandstone Open
When sandstone rocks are exposed to CO 2 ‐saturated brine, their transport and mechanical properties can, potentially, change due to chemical reactions as a result of such exposure. This paper investigates changes in the flow‐through chara…
View article: Advanced Geomechanical Model to Predict the Impact of CO2-Induced Microstructural Alterations on the Cohesive-Frictional Behavior of Mt. Simon Sandstone
Advanced Geomechanical Model to Predict the Impact of CO2-Induced Microstructural Alterations on the Cohesive-Frictional Behavior of Mt. Simon Sandstone Open
We investigated the influence of CO2-induced geochemical reactions on the cohesive-frictional properties of host rock within the context of CO2 storage in a saline aquifer and focused on the Mt. Simon sandstone. The research objective was …
View article: Investigation of Mass Transfer and Sorption in CO<sub>2</sub>/Brine/Rock Systems via In Situ FT-IR
Investigation of Mass Transfer and Sorption in CO<sub>2</sub>/Brine/Rock Systems via In Situ FT-IR Open
CO2 geological storage in deep saline formations is considered a promising method to mitigate anthropogenic CO2 emissions and, thereby, minimize changes to the Earth’s atmosphere. A fundamental understanding of CO2 mass transfer and sorpti…
View article: Techno-Economic Analysis of an Intensified Integrated Gasification Combined Cycle (IGCC) Power Plant Featuring a Combined Membrane Reactor - Adsorptive Reactor (MR-AR) System
Techno-Economic Analysis of an Intensified Integrated Gasification Combined Cycle (IGCC) Power Plant Featuring a Combined Membrane Reactor - Adsorptive Reactor (MR-AR) System Open
In this work, the novel concept of a combined membrane-adsorptive reactor sequence (MRAR) is developed and implemented in an Integrated Gasification Combined Cycle (IGCC) plant. This novel MR-AR IGCC plant is subsequently analyzed from an …
View article: A review of geochemical–mechanical impacts in geological carbon storage reservoirs
A review of geochemical–mechanical impacts in geological carbon storage reservoirs Open
Geological carbon storage (GCS) refers to the technology of capturing man‐made carbon dioxide (CO 2 ) emissions, typically from stationary power sources, and storing such emissions in deep underground reservoirs. GCS is an approach being e…