Surface enhanced nuclear magnetic resonance relaxation mechanisms and their significance in chemical engineering applications
BE Kinn, TR Myers, AM Allgeier - Current Opinion in Chemical Engineering, 2019 - Elsevier
Highlights•NMR relaxometry mechanisms relevant to porous material characterization
include paramagnetic coupling, dipolar coupling and diffusion processes.•Determination of …
include paramagnetic coupling, dipolar coupling and diffusion processes.•Determination of …
Toward Quantifying the Chemical Sensitivity of Nuclear Spin Surface Relaxivity in Mesoporous Media
Low-field nuclear magnetic resonance (NMR) relaxation is a promising non-invasive
technique for characterizing solid–liquid interactions within functional porous materials …
technique for characterizing solid–liquid interactions within functional porous materials …
Effect of magnetic pore surface coating on the NMR relaxation and diffusion signal in quartz sand
M Duschl, A Pohlmeier, TI Brox… - Magnetic …, 2016 - Wiley Online Library
Magnetic impurities are ubiquitous in natural porous media such as sand and soil. They
generate internal magnetic field gradients because of increased magnetic susceptibility …
generate internal magnetic field gradients because of increased magnetic susceptibility …
Relaxation mechanisms and shales
KE Washburn - Concepts in Magnetic Resonance Part A, 2014 - Wiley Online Library
Unconventional petroleum resources present in shales have recently seen increased
development due to growing demand for energy worldwide, declining conventional …
development due to growing demand for energy worldwide, declining conventional …
Nuclear magnetic resonance surface relaxation mechanisms of kerogen
Nuclear magnetic resonance (NMR) relaxometry is an excellent tool for probing the
interactions between solid pore surface and pore fluids in porous media. Surface relaxation …
interactions between solid pore surface and pore fluids in porous media. Surface relaxation …
Reliable surface area assessment of wet and dry nonporous and nanoporous particles: nuclear magnetic resonance relaxometry and gas physisorption
C Schlumberger, L Sandner, A Michalowski… - Langmuir, 2023 - ACS Publications
The reliable assessment of surface area is extremely important for many applications, eg,
catalysis, separation, and energy storage/conversion. Within this context, major progress …
catalysis, separation, and energy storage/conversion. Within this context, major progress …
Exploring catalyst passivation with NMR relaxation
N Robinson, LF Gladden, C D'Agostino - Faraday Discussions, 2017 - pubs.rsc.org
NMR relaxation has recently emerged as a novel and non-invasive tool for probing the
surface dynamics of adsorbate molecules within liquid-saturated mesoporous catalysts. The …
surface dynamics of adsorbate molecules within liquid-saturated mesoporous catalysts. The …
[HTML][HTML] Functional group resolved NMR relaxation of 3-carbon adsorbates in mesoporous alumina
NMR relaxation analysis provides a unique and non-invasive probe of fluid dynamics within
porous materials, and may be applied to the interpretation of a wide variety of material and …
porous materials, and may be applied to the interpretation of a wide variety of material and …
Temperature effect on NMR surface relaxation in rocks for well logging applications
S Godefroy, M Fleury, F Deflandre… - The Journal of Physical …, 2002 - ACS Publications
We present nuclear spin-relaxation experiments, at various temperatures and Larmor
frequencies for water and oil confined in a series of calibrated porous media and various …
frequencies for water and oil confined in a series of calibrated porous media and various …
Interpretation of NMR relaxation as a tool for characterising the adsorption strength of liquids inside porous materials
C D'Agostino, J Mitchell, MD Mantle… - … –A European Journal, 2014 - Wiley Online Library
Nuclear magnetic resonance (NMR) relaxation times are shown to provide a unique probe
of adsorbate–adsorbent interactions in liquid‐saturated porous materials. A short theoretical …
of adsorbate–adsorbent interactions in liquid‐saturated porous materials. A short theoretical …