Showing papers in "Applied Clay Science in 2015"

TL;DR: In this article, the key structural characteristics and properties of halloysite and their related applications are comprehensively reviewed, and future prospects and key problems to be solved in Halloysite studies are discussed.

TL;DR: In this paper, the influence of thermal activation temperature in pozzolanic reactivity of low grade kaolinitic clay and the impact of calcination products in OPC hydration are assessed.

TL;DR: This review focuses on the most recent progress in the synthesis of LDH along with the current methods for controlling the structural properties and chemical functionalization for biotechnological and biomedical applications.

TL;DR: In this paper, the effect of various parameters such as initial dye concentration, contact time, adsorbent dose and initial solution pH on the adsorption of basic fuchsin (BF) and crystal violet (CV) dyes onto iron-manganese oxide coated kaolinite (IMK) was investigated.

TL;DR: In this article, the adsorption characteristics of toxic Basic Red 9 (BR9) onto expanded vermiculite were determined, and the effect of contact time, initial dye concentration, pH and temperature on the adorption process was investigated.

TL;DR: In this paper, a pot trial was conducted to evaluate the effectiveness of bentonite in immobilizing Cd and Pb in soils using a set of parameters such as biochemical and physiological characteristics, metal fractions, plant growth and heavy metal concentrations, and soil enzyme activities.

TL;DR: In this article, the adsorption of caesium to illite at the molecular scale, over both the short and long term, was investigated, and it was shown that after initial absorption into the frayed edges, Cs migrated into the illite interlayer becoming incorporated within the mineral structure.

TL;DR: In this paper, quicklime and hydrated lime were used to activate ground granulated blastfurnace slag (GGBS), a byproduct of the steel industry, for stabilization of marine soft clay in comparison to Portland cement.

TL;DR: In this paper, a review of the latest advances in using clay minerals as supports for the immobilization of enzymes is presented, where the authors suggest that naturally-occurring layered clay minerals can be used as a class of biocompatible solid supports for immobilizing enzymes.

TL;DR: In this paper, a Raoultella planticola Rs-2 was encapsulated with sodium bentonite and alginate composites to develop efficient slow-release biofertilizer formulations and minimize production costs.

TL;DR: A new approach to enhance the antimicrobial properties of poly (lactic acid) (PLA) packaging films while retaining their thermo-mechanical properties was examined in this article, where ZnO nanoparticles were deposited on the outer and inner surfaces of halloysite nanotubes (Hal) using a novel solvothermal method.

TL;DR: In this paper, the minimum amount and contact time required to achieve complete inactivation of bacteria in water was optimized to achieve the desired inactivation in water by using chitosan nanocomposites.

TL;DR: In this article, the authors discuss the recent trends in scientific research and development on the exploitation of clay and clay minerals for fluoride removal from water, focusing on the effect of various factors on the adsorption, mechanism, isotherms and kinetics of the adaption process.

TL;DR: In this article, a pseudo-second-order kinetic model and Langmuir, Freundlich, and Dubinin-Radushkevich isotherms were used to describe the adsorption behavior.

TL;DR: In this paper, three different metakaolins (K1, K2, K3) from sources in Cameroon were applied for producing geopolymer cements, and three different kaolins differ significantly in their gibbsite and quartz contents.

TL;DR: In this paper, the authors focused on the removal of ciprofloxacin (CPX) from aqueous media by adsorption using an Argentinian montmorillonite (Mt).

TL;DR: In this paper, the potential use and effectiveness of dispersive soil stabilization using two types of industrial byproduct, including granulated blast furnace slag (GBFS) and basic oxygen furnaces (BOFS), were investigated.

TL;DR: In this article, the use of Zizyphus spina-christi extract (ZSCE), a newly developed nonionic surfactant, for inhibiting shale hydration was reported.

TL;DR: In this article, the effect of incorporating water treatment sludges (WTS) of plant Bouregreg on the properties and microstructure of clay used for raw material is assessed.

TL;DR: In this paper, the authors evaluated the technical and environmental effects of coal waste materials on the stabilization of a medium plastic clay using X-ray diffraction and scanning electron microscope (SEM) tests.

TL;DR: In this article, the authors investigated several important parameters, such as contact time, temperature, initial solution pH and competing anion, to evaluate the phosphate adsorption performances of Zirconium-pillared montmorillonite (Zr-Mt).

TL;DR: In this paper, the authors investigated the time-dependent engineering properties, mineralogy, morphology and molecular characteristics of MgCl2 stabilized tropical fine-grained soils and found that the stabilization process modified the porous network of the tested clayey soils.

TL;DR: In this paper, the authors investigated calcined blended clays of kaolinite and bentonite, with impurities, to assess their feasibility as SCMs and found that as the amorphous content increased, the SCM consumed more portlandite and the compressive strength of cement-SCM mortars increased.

TL;DR: In this article, the adsorption of levofloxacin (LVX), a fluoroquinolone antimicrobial agent, onto Fe-pillared montmorillonite (Fe-P-Mt) was investigated as a function of contact time, LVX concentration, pH, temperature, and ionic strength.

TL;DR: Alkali activated products were synthesized by activation of kaolinitic clay from Hiswa area, Jordan with a sodium hydroxide solution as mentioned in this paper, and these specimens were subjected to long-term durability tests under different environmental and chemical conditions.

TL;DR: In this paper, the cold plasma treatment was applied for the surface modification of bentonite to improve the removal of methylene blue (MB) from aqueous solution, and the conditions for adsorption, including cold plasma application time, plasma gas effect, and pH were investigated with respect to the advertisersorption capacity of MB.

TL;DR: In this paper, the synergistic behavior that occurs when three different cationic inhibitors for clay swelling were associated with brines containing NaCl and KCl was evaluated and the results showed different efficiencies, in other words, inhibitors mixed with brine were more effective than the inhibitors alone.

TL;DR: In this paper, the authors investigated the potential use of two-component water-soluble epoxy resins to improve the mechanical properties (compressive strength, splitting tensile strength, elastic modulus, shear strength parameters, and long-term mechanical behavior) of silty clay soils.

TL;DR: In this article, three kinds of kaolinites (platelet, PKaol; layered, LKaol; and rod, RKaol) were used to stabilize paraffin to prepare PKaoll/paraffin, lKaol/parafin, and rod-RKaol composites, and the effects of the pore size on the thermal storage properties of the composites were investigated in detail.