Effect of electrostatic interaction on the retention and remobilization of colloidal particles in porous media

Kottsova, A. K.; Yegane, Mohsen Mirzaie; Tchistiakov, Alexei; Zitha, Pacelli L.J.

doi:10.1016/j.colsurfa.2021.126371

Cited by 12 publications

(5 citation statements)

References 57 publications

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“…A disposable Advantec PTFE 0.20 μm syringe filter and Henke-Ject 10 mL (12 mL) syringe were used to remove the particles from the aqueous and thawed ice samples after the reactions. At acidic pHs, the particles tend to aggregate and form larger particles due to the electrostatic attraction between hydrogen ions and the negatively charged surfaces of the particles . Therefore, clay particles can aggregate to larger than 0.2 μm during filtering.…”

Section: Methodsmentioning

confidence: 99%

“…At acidic pHs, the particles tend to aggregate and form larger particles due to the electrostatic attraction between hydrogen ions and the negatively charged surfaces of the particles. 51 Therefore, clay particles can aggregate to larger than 0.2 μm during filtering. Three solution samples containing 0.2 g L −1 NAu-2 were prepared and filtered immediately to test whether the filter size was adequate to effectively eliminate NAu-2 particles.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

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Frozen Clay Minerals as a Potential Source of Bioavailable Iron and Magnetite

Chung,

Jung,

Yang

et al. 2023

Environ. Sci. Technol.

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Iron (Fe) is an essential micronutrient that affects biological production. Iron-containing clay minerals are an important source of bioavailable iron. However, the dissolution of iron-containing clay minerals at temperatures below the freezing point has not been investigated. Here, we demonstrate the enhanced reductive dissolution of iron from a clay mineral in ice in the presence of iodide (I–) as the electron donor. The accelerated production of dissolved iron in the frozen state was irreversible, and the freeze concentration effect was considered the main driving force. Furthermore, the formation of magnetite (Fe3O4) after the freezing process was observed using transmission electron microscopy analysis. Our results suggest a new mechanism of accelerated abiotic reduction of Fe(III) in clay minerals, which may release bioavailable iron, Fe(II), and reactive iodine species into the natural environment. We also propose a novel process for magnetite formation in ice. The freezing process can serve as a source of bioavailable iron or act as a sink, leading to the formation of magnetite.

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Section: Methodsmentioning

confidence: 99%

Section: ■ Materials and Methodsmentioning

confidence: 99%

Frozen Clay Minerals as a Potential Source of Bioavailable Iron and Magnetite

Chung,

Jung,

Yang

et al. 2023

Environ. Sci. Technol.

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“…An increase in pH (i.e., an increase in the concentration of OHions) leads to an increase in the negative charge on the side chips of clay particles. If the rockforming mineral is quartz, whose surface charge is negative under natural conditions, an increase in pH above the isoelectric point of clay particles will cause their detachment from the surface of sand grains and, consequently, a decrease in rock permeability (Kottsova, et al, 2021). A decrease in pH below the isoelectric point induces a positive charge on lateral clay chips due to the protonation effect, which, in turn, contributes to the stabilization of clay particles on quartz grains, where the surface charge turns to positive at pH < 3.5, which is not typical of known reservoirs (Kottsova, et al, 2021).…”

Section: The Theory Of Clay Particle Migration and Pore Space Cloggingmentioning

confidence: 99%

Physico-Chemical Factors of Clay Particle Migration and Formation Damage

Tchistiakov

Kottsova²,

Shvalyuk³

et al. 2022

Moscow Univ. Geol. Bull.

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“…The migration and deposition of colloidal particles in water‐saturated porous media is a natural phenomenon and a common problem in the industrial processes 1 . It is important to understand and predict the migration and retention of colloidal particles in saturated porous media for the protection of human health and ecological environment 2 .…”

Section: Introductionmentioning

confidence: 99%

“…The migration and deposition of colloidal particles in water-saturated porous media is a natural phenomenon and a common problem in the industrial processes. 1 It is important to understand and predict the migration and retention of colloidal particles in saturated porous media for the protection of human health and ecological environment. 2 The migration and deposition of colloidal particles have been extensively studied in many regions, 3 including soil science, 4 petrology, 5 hydrology, 6 and environmental engineering.…”

mentioning

confidence: 99%

Study on the effect of ionic strength on particle migration and deposition in porous media covered by biofilm based on coupled Lattice Boltzmann method and Discrete element method

Hong

Chen

Gong

et al. 2022

Asia-Pacific J Chem Eng

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Biofilms covering porous media will interact with particles and affect particle migration. In order to investigate the migration mechanism of particles in porous media covered by biofilms, the migration process of particles with different particle sizes under the condition of the changing ionic strength is analyzed by using the lattice Boltzmann method–discrete element method (LBM‐DEM) coupling method from mesoscopic scale. The variation patterns of ion strength include gradient and mutation, respectively. Also, the agglomeration of particles at the pore throat in porous media is investigated under different conditions. The main results are obtained as follows. First, both the change of ionic strength and its changing mode significantly affect the migration behavior of particles in NaCl solution but have little effect on the behavior of particles in CaCl2 solution. Second, when the pressure difference between the pressure difference between the inlet and outlet of porous media is 0.4 kPa, the residual permeability of 1.5‐μm particles in the NaCl solution with ionic strength mutation is the highest, which has value of 64.92%. Third, at the specific flow rate, the particles in low ionic strength solution are more likely to be settled. The attraction of particles in the CaCl2 solution is one order of magnitude less than that in the NaCl solution, and the accumulated particles are more likely to be dispersed.

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Effect of electrostatic interaction on the retention and remobilization of colloidal particles in porous media

Cited by 12 publications

References 57 publications

Frozen Clay Minerals as a Potential Source of Bioavailable Iron and Magnetite

Frozen Clay Minerals as a Potential Source of Bioavailable Iron and Magnetite

Physico-Chemical Factors of Clay Particle Migration and Formation Damage

Study on the effect of ionic strength on particle migration and deposition in porous media covered by biofilm based on coupled Lattice Boltzmann method and Discrete element method

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