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Reactive Flows in Porous Media: Challenges in Theoretical and Numerical Methods
Anthony J C Ladd1, Piotr Szymczak2
1Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611-6005, USA;
Annual Review of Chemical and Biomolecular Engineering
|March 30, 2021
Summary
This review covers reactive fluid flow in porous media, focusing on how solid-fluid reactions enhance permeability. Research explores geological forms and applications like enhanced oil recovery and carbon sequestration.
Area of Science:
- Geochemistry
- Geophysics
- Fluid Dynamics
Background:
- Reactive fluid flow in porous media is crucial for understanding geological processes and resource management.
- Solid-fluid interface reactions can significantly alter porous matrix properties, leading to enhanced permeability.
- Nonlinear feedback mechanisms driven by these reactions influence geological form evolution.
Purpose of the Study:
- To review theoretical and computational research on reactive fluid flow in porous media over the past decade.
- To highlight the role of solid-fluid interface reactions in enhancing permeability and their implications.
- To discuss insights into geological forms and geotechnical applications.
Main Methods:
- Review of theoretical and computational research.
- Analysis of Darcy-scale modeling and its limitations.
- Exploration of pore-scale modeling and microfluidic experiments for validation.
Main Results:
- Chemical reactions at the solid-fluid interface can cause significant dissolution and permeability enhancement.
- Nonlinear feedback mechanisms provide insights into geological form evolution.
- Pore-scale modeling offers advanced understanding and validation through microfluidic experiments.
Conclusions:
- Reactive fluid flow in porous media is a complex phenomenon with significant implications for geology and engineering.
- Pore-scale modeling, despite computational intensity, is vital for validating theories and understanding micro-scale processes.
- The research underscores the importance of studying these systems for applications such as enhanced oil recovery, hydraulic fracturing, and carbon sequestration.
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