Bentonite Mechanism

Some mechanisms that influence bentonite erosion in a KBS …

Current modelling suggests that bentonite clay that expands into fractures in crystalline rock with low ionic strength water, below the critical coagulation concentration, CCC, will solubilize and …

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Structural, dielectric and electrical characterization of (Co)

Based on commercial bentonite (bento) and two metal precursors, including NiCl 2 and CoCl 2, diverse series of composites were prepared by incipient wet impregnation. The …

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Performance and mechanism of bentonite in suppressing …

Methane explosions threaten the safety of industrial security in modern society. To suppress such explosions, experiments were made through using different masses of …

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Mechanism and modeling of infiltration of saturated sand by …

The bentonite–sand slurry infiltration mechanism can be elucidated by integrating the experimental data with the deposition evaluation derived from the L prediction model (Fig. …

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Modified Bentonite As a Dissolve-Extrusion …

The microstructure of the modified bentonite was analyzed via FTIR, XRD, and SEM to elucidate the mechanism of modification. A stable composite modification method was developed, and the optimal total dosage …

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The anti-inflammatory activity of bentonites

Bentonites are naturally occurring clays ubiquitously found on Earth. Bentonites are produced industrially because of their high adsorbent capacity stemming from a high …

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Pore-scale mechanisms underlying the behavior of enhanced …

The unique physico-chemical properties of bentonite clays have been shown to be beneficial for long-term containment performance of bentonite-based barriers, provided the …

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Bentonite-supported nano zero-valent iron composite as a green …

The BPA degradation mechanism of NZVI@bentonite may involve adsorption coupled with the Fenton-like reaction. Moreover, NZVI@bentonite exhibited a BPA …

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Recent advances of application of bentonite-based composites in …

Meanwhile, the effect of environmental factors and interaction mechanism between bentonite-based composites and contaminants were also investigated. Finally, the conclusions …

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Influence of various bentonites on the mechanical properties and

This section will explain the waterproofing mechanism of bentonite from two perspectives: the influence of bentonite on the hydration process of cement-based materials, …

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Efficient removal of Cr(VI) by chitosan cross-linked bentonite …

Efficient removal of Cr(VI) by chitosan cross-linked bentonite loaded nano-zero-valent iron composite: Performance and mechanism. Author ... co-existing ions for Cr(VI) …

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Removal of fatty acid by natural and modified

Computational chemistry tools were used to elucidate the adsorption mechanisms. Two types of natural bentonite, NB and NB2, and NB bentonite modified with the surfactant …

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Irradiated Gao Miao Zi Bentonite for Uranium …

Bentonite has been considered as backfill material in the long-term deep geological disposal sites for radioactive waste. The performance of raw and irradiated bentonite based on the retention of radioactive nuclides, such …

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Simultaneous sorption of heavy metals on Algerian Bentonite: mechanism

The objectives were to examine the effect of some parameters on the sorption kinetic and to elucidate the mechanism of the competitive adsorption of cadmium-iron mixture …

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Review of polymer-amended bentonite: Categories, mechanism

The adsorption effect between bentonite and polymer is the main mechanism for polymer-amended bentonite. Adsorption refers to the effect of a polymer that can be adsorbed …

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Simultaneous sorption of heavy metals on Algerian Bentonite: mechanism

In this work, we attempt to eliminate simultaneously iron and cadmium from aqueous solutions by adsorption on Algerian Bentonite. This abundant material was used without any modification. …

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Efficient phosphate elimination from aqueous media by La/Fe …

Bentonite is a 2:1 layered clay that mainly constructed by montmorillonite mineral, and its unit layer consists of two Si 4+ tetrahedral sheets sandwiching one A1 3+ octahedral …

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Effects of synthetic processes on the swelling capacity and

Heat and shear force are required to facilitate the interaction between the modifier and bentonite (Chen et al., 2022; Cui and Chen, 2023).The former provides the necessary …

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What is bentonite?What's the action mechanism of bentonite in …

Bentonite has a very strong hygroscopic property, can absorb the amount of water equivalent to 8-20 times that of its volume and swell to 30 times. In an aqueous medium, it can be dispersed …

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Stability Analysis of GMZ Bentonite Colloids: Aggregation Mechanism

However, little attention has been devoted to the stability characteristic of GMZ bentonite colloidal particles [14], especially on coupling the direct potentiometric titration of the …

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Insights into the high temperature-induced failure mechanism of

So, the failure mechanism of bentonite under high-temperature conditions remains to be elucidated. Combined with molecular dynamics simulation, experiments and multi …

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Review of polymer-amended bentonite: Categories, mechanism

Polymer-amended bentonite is a kind of high-performance bentonite material, which has been widely researched and applied in barrier engineering. This paper summarizes the …

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Adsorption performance and mechanism of bentonite modified by …

Bentonite was modified with ammonium bromide to enhance its adsorption performance for the removal of elemental mercury. The adsorbents were characterized by N 2 …

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Review of polymer-amended bentonite: Categories, mechanism

Wu, The engineering properties and reaction mechanism of MgO-activated slag cement-clayey sand-bentonite (MSB) cutoff wall backfills, Constr. Build. Mater., № 271 ... Yang, Phosphate …

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Adsorption mechanism and behavior of methylene blue and

Several parameters that effect adsorption process of dyes were investigated, to establish the behavior and the removal mechanism such as: effect of modification of bentonite …

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Novel insights on the adsorption ability of bentonite and its …

However, such mechanisms have not been completely understood as the present studies on antibiotic adsorption by bentonite and its composites mainly focused on adsorption …

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The role of bentonite addition in UF flux enhancement mechanisms …

In order to verify this mechanism, the size of mixed bentonite and oil/water emulsion was determined by laser scattering size measurement technique. Fig. 6 shows the …

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Bentonite Swelling Mechanism

Bentonite structure, form and concentration, and whether or not water is existent in the system are a few of the factors affecting organic absorption. The two primary mechanisms through which...

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Synthesis, characterization and properties of organically …

In the paper, a novel process named small organic molecular intercalation process for synthesizing organically compounded bentonite was proposed to improve the bentonite …

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Binding mechanisms in wet iron ore green pellets with a bentonite

As the bentonite dosage approaches the inclination point at around 0.5% bentonite, the dominant binding mechanism probably becomes that of a highly viscous binder. …

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Bentonite: Uses, Interactions, Mechanism of Action

Bentonite can cause a decrease in the absorption of Tauroursodeoxycholic acid resulting in a reduced serum concentration and potentially a decrease in efficacy. Technetium Tc-99m …

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Regenerative and anti‐inflammatory effect of a novel bentonite …

Nevertheless, the mechanism of how bentonite complex inhibited COX‐2 signalling in skin tissues was not identified in this study. Some papers reported that bentonite clay worked efficiently in …

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Preparation, characterization and intercalation mechanism of …

The purpose of this work is to prepare and characterize bentonite samples modified with different organic ammonium, discuss in detail the influence of the molecule configuration …

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Enhancing dielectric properties of bentonite with Ce and Zn …

Zn/bentonite and wt. %Ce/bentonite systems prepared using an incipient wet impregnation technique, this study aims to provide valuable insights into how the inclusion of Zn and Ce …

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Modification of bentonite clay & its applications: a review

Bentonite clay is one of the oldest clays that humankind has been using from ancient times as traditional habits and remedies. In recent years researchers have found many applications of …

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Evaluation of the medicinal use of clay minerals as antibacterial

These clays and others like them are interesting as they may reveal an antibacterial mechanism that could provide an inexpensive treatment for this and other skin infections, especially in …

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A mechanism for bentonite buffer erosion in a fracture with a …

This study investigated the mechanisms governing bentonite erosion in a fracture with a naturally varying aperture. MX-80 bentonite was used, as it is proposed for geological …

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Chemical and mineralogical reactions of bentonites in …

Bentonites are proposed to be used as buffers in high-level radioactive waste repositories. The elevated temperatures in repositories may, however, affect bentonites' …

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