Interfacial properties of the hexane+ carbon dioxide+ brine system in the presence of hydrophilic silica

R Cui, AK Narayanan Nair… - Industrial & …, 2023‏ - ACS Publications
Molecular dynamics simulations were performed to understand the interfacial properties of
brine (up to 5.4 mol/kg NaCl) and brine+ silica systems in the presence of CO2, hexane, and …

Molecular dynamics simulation study of carbon dioxide, methane, and their mixture in the presence of brine

Y Yang, AK Narayanan Nair, S Sun - The Journal of Physical …, 2017‏ - ACS Publications
We perform molecular dynamics simulation study of CO2, methane, and their mixture in the
presence of brine over a broad range of temperature (311–473 K), pressure (up to about …

Expanding the applications of the SAFT-γ Mie group-contribution equation of state: prediction of thermodynamic properties and phase behavior of mixtures

AJ Haslam, A González-Pérez, S Di Lecce… - Journal of Chemical & …, 2020‏ - ACS Publications
We present the latest developments in thermodynamic modeling using the SAFT-γ Mie
group-contribution equation of state. The group database is updated, featuring now 58 …

Bulk and interfacial properties of brine or alkane in the presence of carbon dioxide, methane, and their mixture

AK Narayanan Nair… - Industrial & …, 2022‏ - ACS Publications
We present an overview of the molecular simulations performed to understand the two-
phase behavior of brine or alkane in the presence of CH4, CO2, and their mixture at …

Thin water films enable low-temperature magnesite growth under conditions relevant to geologic carbon sequestration

SN Kerisit, ST Mergelsberg, CJ Thompson… - Environmental …, 2021‏ - ACS Publications
Injecting supercritical CO2 (scCO2) into basalt formations for long-term storage is a
promising strategy for mitigating CO2 emissions. Mineral carbonation can result in …

Phase equilibrium modeling for carbon dioxide Capture and Storage (CCS) fluids in brine using an electrolyte association equation of state

W **ong, LH Zhang, Y Tian, LX Li, YL Zhao… - Chemical Engineering …, 2023‏ - Elsevier
A modified electrolyte cubic plus association equation of state (eCPA EoS) is proposed here
as a suitable model for CO 2 Capture and Storage (CCS) fluids to model CO 2, CH 4, H 2 S …

Critical water coverage during forsterite carbonation in thin water films: activating dissolution and mass transport

E Placencia-Gómez, SN Kerisit, HS Mehta… - Environmental …, 2020‏ - ACS Publications
In geologic carbon sequestration, CO2 is injected into geologic reservoirs as a supercritical
fluid (scCO2). The carbonation of divalent silicates exposed to humidified scCO2 occurs in …

A generalized equation of state for associating fluids in nanopores: Application to CO2-H2O, CH4-H2O, CO2-CH4, and CO2-CH4-H2O systems and implication for …

W **ong, LH Zhang, YL Zhao, JF Wu, JH Huang… - Chemical Engineering …, 2021‏ - Elsevier
A modified cubic-plus-association (CPA) equation of state is presented by considering the
influences of pore sizes and intermolecular interactions. Additionally, the van der Waals …

Low temperature and limited water activity reveal a pathway to magnesite via amorphous magnesium carbonate

ST Mergelsberg, SN Kerisit, ES Ilton… - Chemical …, 2020‏ - pubs.rsc.org
Forsterite carbonated in thin H2O films to magnesite via amorphous magnesium carbonate
during reaction with H2O-bearing liquid CO2 at 25° C. This novel reaction pathway contrasts …

Effect of ion valency on the properties of the carbon dioxide–methane–brine system

Y Yang, MFA Che Ruslan… - The Journal of …, 2019‏ - ACS Publications
Molecular dynamics simulations and theoretical analysis were carried out to study the bulk
and interfacial properties of carbon dioxide–methane–water and carbon dioxide–methane …