Calcium Carbonate Mineralization in a Confined Geometry

Schuszter, Gábor; Brau, Fabian; Wit, A. De

doi:10.1021/acs.estlett.6b00074

Cited by 32 publications

(38 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This has long been known in studies on infiltration instabilities, where the invading fluid reacts with the solid matrix leading to dissolution of the solid phase and an increase in porosity (Chadam et al (1986), Daccord & Lenormand (1987), Szymczak & Ladd (2014)). More recent works have shown that precipitation locally decreasing the permeability can also induce fingering (Nagatsu et al (2014)) leading to beautiful precipitation patterns in various contexts including chemical gardens (Haudin et al (2014)) or CO2 mineralization reactions (White & Ward (2012), Schuszter et al (2014)). With no surprise, concomitant changes in viscosity and permeability can induce an interplay between viscous and precipitation-driven fingering giving rise to interesting new patterns (Nagatsu et al (2008a), Haudin & De Wit (2015)).…”

Section: Viscous Fingering In Reactive Systemsmentioning

confidence: 99%

Chemo-Hydrodynamic Patterns and Instabilities

Wit

2020

Annu. Rev. Fluid Mech.

Self Cite

View full text Add to dashboard Cite

By modifying a physical property of a solution like its density or viscosity, chemical reactions can modify and even trigger convective flows. These flows in turn affect the spatiotemporal distribution of the chemical species. A nontrivial coupling between reactions and flows then occurs. We present simple model systems of this chemo-hydrodynamic coupling. In particular, we illustrate the possibility of chemical reactions controlling or triggering viscous fingering, Rayleigh–Taylor, double-diffusive, and convective dissolution instabilities. We discuss laboratory experiments performed to study these phenomena and compare the experimental results to theoretical predictions. In each case we contrast the chemo-hydrodynamic patterns and instabilities with those that develop in nonreactive systems and unify the different dynamics in terms of the common features of the related spatial mobility profiles.

show abstract

Section: Viscous Fingering In Reactive Systemsmentioning

confidence: 99%

Chemo-Hydrodynamic Patterns and Instabilities

Wit

2020

Annu. Rev. Fluid Mech.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Brau et al studied the dynamics of A + B → C fronts by radial injection, computing the long-time evolution of the front position, its width, and production rates of the product [27]. Their work compared well with calcium carbonate precipitation experiments [28].…”

Section: Introductionmentioning

confidence: 99%

Asymptotic properties of radial A+B→C reaction fronts

Trevelyan

Walker

2018

Phys. Rev. E

View full text Add to dashboard Cite

If two initially separated solutions of reactants are put in contact and a simple A + B → C reaction takes place, reaction-diffusion profiles develop due to the coupling of reaction and diffusion. The properties of such fronts are well known in the case of an initially planar contact line between the two solutions. In this study one of the reactants is injected at a constant flux from a point source into a miscible solution of the other reactant so that the reaction front expands out radially. Both the leading order large time and small time asymptotic limits of the reactant concentrations and reaction front position are obtained analytically. Just as in the planar reaction front case, the position of the reaction front scales like t 1/2 and the width of the reaction front scales with t 1/6. In the large Péclet number limit the large time asymptotic properties of the radial reaction front are found to be similar to those of the planar front except that the profiles are advected with the fluid flow. The distance between the contact line and the position of the radial reaction front is 1/ √ 2 of the distance that a planar reaction fronts travels. Further, the length scales inside and outside of the reaction zone are reduced by factors of 2 1/6 and √ 2, respectively, compared to the planar reaction front.

show abstract

“…14 At the macroscopic level, the presence of flows can influence the precipitation patterns obtained and produce a wide variety of complex forms. 7,12,[15][16][17][18] As an example, chemical gardens growing in 3D when placing solid metal salt seeds into alkaline solutions such as silicate are shaped by buoyancy-driven flows among other processes. 19 Control of the growth dynamics of these 3D structures has been attempted succesfully using bubble driving, 20 microgravity conditions, 21 microfluidics, 22 or the injection of one reactant into the other.…”

Section: Introductionmentioning

confidence: 99%

Flow-driven control of calcium carbonate precipitation patterns in a confined geometry

Schuszter

Brau

Wit

2016

Phys. Chem. Chem. Phys.

Self Cite

View full text Add to dashboard Cite

Upon injection of an aqueous solution of carbonate into a solution of calcium ions in the confined geometry of a Hele-Shaw cell, various calcium carbonate precipitation patterns are observed. We discuss here the properties of these precipitation structures as a function of the injection flow rate and concentrations of the reactants. We show that such flow-controlled conditions can be used to influence the total amount and the spatial distribution of the solid phase produced as well as the reaction efficiency defined here as the amount of product formed for a given initial concentration of the injected solution.

show abstract

Calcium Carbonate Mineralization in a Confined Geometry

Cited by 32 publications

References 13 publications

Chemo-Hydrodynamic Patterns and Instabilities

Chemo-Hydrodynamic Patterns and Instabilities

Asymptotic properties of radial A+B→C reaction fronts

Flow-driven control of calcium carbonate precipitation patterns in a confined geometry

Contact Info

Product

Resources

About