Showing papers in "Applied Clay Science in 2019"

TL;DR: In this article, a review examines the latest scientific advances in the exfoliation methods of Mt., the insights into the ex-foliation mechanisms, and the peculiar functionalities of the resultant CPN.

TL;DR: In this paper, LDH-biochar composites were synthesized in different molar ratios of Mg:Al (2:1, 3:1 and 4:1) using co-precipitation method.

TL;DR: In this article, a detailed assignment of the vibration bands in the near-IR region (8000-4000 cm−1) was provided not only for organo-montmorillonites (O-Mts) but also for selected primary alkylamines and alkylimium salts, used for their preparation.

TL;DR: In this paper, the authors reported the adsorption and desorption of Pb(II) on l -lysine modified montmorillonite (L-Mt) with molecular dynamics simulation.

TL;DR: In this paper, the application of single and mixed pillared clays in adsorption of inorganic pollutant in the water: the cadmium, the cobalt, and the copper.

TL;DR: In this paper, a bentonite encapsulated alginate bead system was designed for the effective removal of methylene blue, extensively used in chemical industries, and the beads were characterized using Field Emission Scanning Electron Microscope, Energy Dispersive X-Ray Spectroscopy (EDX), Fourier Transform Infrared Spectrography (FTIR), Brunauer Emmett Teller Surface Analyser, and Dynamic Light Scattering.

TL;DR: In this article, the capacity of an Algerian Tertiary sedimentary palygorskite to remove methylene blue was studied using X-ray diffraction, infrared spectroscopy, and chemical, granulometric and micotextural analyses.

TL;DR: In this paper, the authors reviewed the photocatalytic activities of halloysite-based nanocomposites in combination with various photocatalyst that have been synthesized and tested in decomposing organic and air pollutants.

TL;DR: In this paper, the authors provide an overview of recent studies and obtains insights into the interactions between microorganisms and clay minerals, which can be used for the refinement and purification of clay minerals in industry.

TL;DR: In this article, annealed ZnO/Kaolin was used to remove tetracycline (TC) from water, firstly by adsorbing the contaminant then by photodegrading it into mineral species.

TL;DR: Based on adsorption kinetics, isotherm, FT-IR, XRD and molecular simulation, the intercalation and environmental behavior of Tetracycline (TC) or CIP by montmorillonite (Mt) as single or mixed substance were studied as discussed by the authors.

TL;DR: In this article, a novel montmorillonite (Mt) chitosan/polyvinyl alcohol (PVA) nanocomposite electrospun nanofibrous membranes (ENM) were prepared and utilized for the treatment of colored wastewater.

TL;DR: In this article, the preparation, properties and applications of bionanocomposites made from layered double hydroxides and biopolymers such as heparin, deoxyribose nucleic acid, vitamin C and E, cellulose, chitosan, polylactic acid and starch are discussed.

TL;DR: In this paper, a soft marine clay was stabilized with fly-ash (FA) and slag (S) based geopolymers, and the effect of a number of preparation and curing factors including water content and temperature variation, wetting-drying cycles and mixing time and method were evaluated.

TL;DR: In this article, calcination and subsequent acid treatment were performed on halloysite to investigate their effects on dynamic benzene adsorption performance, and the results showed that the acid treatment after pre-calcination preserved the tubular morphology and introduced massive micropores as a result of the rapid dissolution of Al2O3 layers.

TL;DR: In this paper, a composite structure of montmorillonites (Mt) with graphene oxide (GO) was successfully synthesized by grafting with 3-aminopropyl triethoxysilane (APTES) and hydrazine hydrate reduction.

TL;DR: In this article, the authors report the mechanical, durability and insulating properties of novel geopolymer composites made of iron-rich laterite and sugarcane bagasse fibers with sodium silicate as a hardener.

TL;DR: In this article, a facile and water-based route was developed for fabricating flame retardant and smoke suppressant flexible polyurethane foam (FPUF), which was deposited with a multilayered coating by layer-by-layer self-assembled method, which was composed of the positively charged polyethyleneimine (PEI), negatively charged alginate and sepiolite.

TL;DR: In this article, the toxicity of polycations-coated halloysite nanotubes was investigated using microscopy and dynamic light scattering, and it was shown that polycation adsorbed onto halloys significantly increase the otherwise low toxicity of pristine halloy sites.

TL;DR: In this article, the electrical conduction properties of a geopolymer were investigated using X-ray powder diffraction, while thermal properties were evaluated by differential thermal analysis and thermogravimetry.

TL;DR: In this article, stretchable double-network nanocomposite hydrogel was applied in a sustained release system of acetamiprid to improve the sustained release performances of the hydrogels.

TL;DR: In this paper, a pH sensitive nanocomposite (NC) hydrogel based on katira gum-cl-poly(acrylic acid-co-N, N-dimethylacrylamide) incorporated bentonite (BT) nano clay was prepared by in-situ crosslinked co-polymerization technique using N, N′-methylene-bis-acryamide (MBA) as crosslinker and potassium peroxodisulphate (KPS) as a free radical initiator.

TL;DR: In this article, the authors investigated the removal of the sulfamethoxazole drug (SMX) by calcined layered double hydroxides (CLDHs) at 500°C and showed that the removal is carried out by reconstruction of LDH phases intercalated by SMX via the memory effect of mixed oxides.

TL;DR: In this paper, the performance of three mineral adsorbents (diatomite, clinoptilolite, and palygorskite) was investigated for abatement of six VOCs with distinct physical and chemical properties and functional groups.

TL;DR: In this article, a one-step hydrothermal growth of MoS2 nanosheets/CdS nanoparticles heterostructures on the surface of montmorillonite was successfully prepared for photocatalytic degradation of organic dye Rhodamine B.

TL;DR: Hectorite (Na0.7Li0.3Mg2.3Si4O10(OH)2) is a trioctahedral clay mineral with peculiar cation exchange capacity, surface reactivity and adsorption, and easy delamination in water into individual nanolayers, which can then be re-assemble in various ways.

TL;DR: In this article, the potential use of the smectite clay mineral montmorillonite (Mt) as adsorbent in the removal of water containing the emerging compound propranolol was explored.

TL;DR: In this paper, the physico-chemical and permeation properties of ceramic hollow fiber microfiltration (MF) membranes were investigated using ball clay from Perak, Malaysia as an alternative starting material for membrane preparation.

TL;DR: In this article, the effects of interlayer modification, leaching of octahedral cations, changes of the grain size distribution, specific surface area and weakening of surface basicity of bentonites were investigated.

TL;DR: In this article, a short review of the state of the art of the use of clay minerals and the former species in Pickering emulsions and provides perspectives for future research is presented.