Morphological and Microstructural Characterization of Organoclays from Low Smectite Containing Clays Materials
Journal Title: Chemical Science International Journal - Year 2017, Vol 18, Issue 1
Abstract
Two low smectite-containing clay materials were modified, using hexadecyltrimethylammonium bromide (HDTMAB) as intercalating agents, under very mild experimental conditions, to investigate their potentials as suitable organoclays for industrial and environmental applications. Changes in the general morphological and microstructural characteristics were studied by X-Ray Diffraction (XRD) analysis, Thermogravimetric Analysis (TGA), Brauner Emmet Taylor (BET) Analysis, Fourier Transform Infrared (FTIR) Spectroscopy and Scanning Electron Microscopy (SEM) before and after modification. The shift in XRD reflections after intercalation indicated that the HDTMA chains adopt monolayer and bilayer arrangements within the clay interlayers and were largely dependent on the reaction time and surfactant loading. This resulted in decreased specific surface area and increased pore sizes in the organoclay samples. The presence of typical CH stretching bands in the new materials was confirmed by FTIR analysis. Mass loss from TGA showed that the new materials were thermally stable, the amount of organic modifier in the organoclays were in good agreement with the theoretically calculated contents. The intercalated materials were hydrophobic, stable, biocompatible and were suitable materials for several industrial and environmental applications.
Authors and Affiliations
Emeka Thompson Nwankwere, Casimir Emmanuel Gimba, George Iloegbulam Ndukwe, Adamu Kari Isuwa, Yilleng Moses Titus
Keywords
Related Articles
- EP ID EP319651
- DOI 10.9734/CSIJ/2017/29703
- Views 91
- Downloads 0
Metabolites Detected in the Crude N-Hexane Extract of Artemisia annua Linn (Asteraceae) Cultivated in Langtang, Plateau State, Nigeria
Artemisia annua was grown in and harvested from Langtang, Plateau State in Nigeria. The dried pulverized aerial part of Artemisia annua was extracted with n-hexane by percolation and concentrated in vaccum at 40°C. Analy...
Synthesis of [Oxa-, Thia-diazoles- and Triazole]-Thiols Derived from Butyric Acid: Conductivity Property, Complex Formation with Fe (II), Hg (II), and Synthesis of Seco-Acyclo-S-Glycosides
Three heterocyclic thiols: 2- propyl-1.3.4 – oxadiazole-5-thione/thiol 4/7, 2- propyl-1.3.4 – thiazole-5-thiole 8, 3- propyl-1.2.4 – triazole-5-thiole 9 have been synthesized from butyric acid. They showed conductivit...
Structural and Thermal Studies on Racemic BaC4H4O6•H2O
Single crystals of racemic barium tartrate monohydrate, BaC4H4O6•H2O, were grown at 308 K by a gel method using silica gel as the growth medium. Differential scanning calorimetry, thermogravimetric-differential thermal a...
Drying Kinetics and Modelling of Mass Transfer in Thin Layer Convective Drying of Pineapple
The aim of the investigation was to study the drying characteristics of pineapple at different temperatures of 55, 60, 65, 70 and 75°C with 1.5 m/s constant air velocity. In the present study, the best drying model was s...
Removal of Aniline and from Aqueous Solutions by Coagulation/Flocculation–Flotation
The aim of this study was to evaluate the efficiency of the coagulation/ flocculation and flotation process for aniline removal from aqueous solutions, which the dissolved air flotation (DAF) was applied in laboratory sc...