Showing papers in "Microporous and Mesoporous Materials in 2014"

TL;DR: In this paper, a metal-organic framework based on copper-benzenetricarboxylates was applied to the adsorption of methylene blue (MB) from aqueous solution.

TL;DR: In this paper, a facile method for the synthesis of zeolitic imidazolate framework-8 (ZIF-8) at room temperature in 10min was reported.

TL;DR: In this paper, the influence of preparation method on the catalytic performance of Zn/ZSM-5 in the process of methanol-to-aromatics (MTA) was investigated.

TL;DR: In this paper, an Activated Carbon (AC) with high purity and surface area was synthesized from rice husk (RH) using alkali leaching at room temperature, and the maximum surface area obtained from the BET analysis was 2696m2g−1 for the KOH activated carbon at 850°C with an impregnation ratio of 1:5 under nitrogen flow.

TL;DR: In this article, a review of the state-of-the-art knowledge of mesopore formation at the molecular scale is presented, dealing with the mechanism of Si/Al removal and nature of the resulting extra-framework species.

TL;DR: In this paper, a ligand based conjugate adsorbent was developed for simultaneous Pb(II) detection and removal from water samples, and the results showed that the adaption was highly sensitive and the limit of detection was 0.18μg/L.

TL;DR: In this paper, a triconstituent co-assembly approach was used to synthesize mesoporous carbon and silica materials from rice husk ash using resols as a polymer precursor, silicate oligomers as an inorganic precursor, and triblock copolymer F127 as a template.

TL;DR: In this paper, a broad range of hydrophobic monolithic silica aerogels and xerogels made from polyethoxydisiloxane precursors were synthesized and the effects of density on the mechanical, microstructural, and thermal properties were studied.

TL;DR: In this article, the ligand immobilized conjugate adsorbent was developed and selenium (Se(IV)) detection and removal from water were investigated, which was successfully prepared by direct immobilization of 6-((2-hydroxy-1 naphthoyl)hydrazono) methyl)benzoic acid onto mesoporous inorganic silica.

TL;DR: In this paper, the authors identify conditions that require the use of the M-S equations including correlation effects and thermodynamic coupling, and show that these conditions lead to a significant improvement in the separation performance.

TL;DR: In this paper, the stability of metal-organic frameworks (MOFs) in fluoride solutions was studied based on 11 water-stable MOFs, and several factors were found to have large influence, such as the central metal activity, pore topology and coordination number.

TL;DR: In this paper, a new working hypothesis, designated as the composite building unit (CBU) hypothesis, was proposed in order to broaden the range of zeolite types that can be prepared via seed-assisted synthesis.

TL;DR: In this article, the main strategies for preparation of zeolites including organic-template assisted, organic template free and alternative procedures are considered for synthesis of crystallites offering control and fine-tuning of their properties.

TL;DR: The results of the pure experimental data showed that, the heat of adsorption for methane is approximately independent of loading (about 20kJ/mol), and for carbon dioxide decreases by increasing loading when q

TL;DR: In this paper, the authors investigate the capture of methyl iodide from complex mixed gas streams by combining chemical analysis of the effluent gas stream with in depth characterization of the recovered sorbent.

TL;DR: In this article, the influence of experimental uncertainties on the accuracy of volumetric nitrogen adsorption isotherms and derived properties using the most popular methods is analyzed in detail, comprising the pore volume and specific surface area determined using the method posed by Brunauer, Emmet and Teller (BET) and the Pore size distribution according to the method developed by Barrett, Joyner and Halenda (BJH).

TL;DR: In this paper, the structural and dynamical properties of the water/ions and the tobermorite interface were studied by the molecular dynamics (MD) simulation method on the (0, 0, 1) surface of tobermorphite, water molecules diffusing in the channel between the silicate chains demonstrate a number of structural water features: large density, good orientation preference, ordered interfacial organization and low diffusion rate.

TL;DR: In this article, the authors used molecular simulation and models to study the adsorption of methane/ethane mixtures onto a mature kerogen model under typical reservoir conditions (338 K, up to 20 MPa).

TL;DR: In this article, an improved Barrett, Joyner and Halenda (BJH) analysis of the N2 adsorption-desorption isotherm at 77 K was presented.

TL;DR: In this article, the synergism effect of plasma and ultrasound treatment on the physicochemical properties and catalytic performance of supported-Pt nanocatalysts was assessed for the total oxidation of toluene.

TL;DR: In this paper, NH 2 -MIL-53(Al) and MIL-101 (Al) MOFs dispersed in polysulfone (PSF) and polyimide (PI) polymers have been investigated.

TL;DR: In this paper, as-prepared MOF Cu 3 (BTC) 2 was immersed into different kinds of solvents with or without inorganic salt and was characterized by XRD, SEM, FT-IR, TG, and N 2 physisorption techniques.

TL;DR: In this article, the deactivation of HZMS-5 and SAPO-34 catalysts has been studied in the transformation of ethylene and 1-butene under propylene intensification conditions.

TL;DR: In this article, the effect of the incorporation of 1,6-bis (trimethoxysilyl)hexane (BTMSH) and 1,4-bis(triethoxyilyl)-benzene (BTESB) into the underlying silica structure of tri-methacrylate cross-linked silica aerogels is examined.

TL;DR: An ordered nitrogen-doped mesoporous carbon has been prepared through direct self-assembly of resorcinol-melamine-formaldehyde resin and ampliphilic triblock copolymer (Pluronic F127), without using additional prepolymerization and hydrothermal solidification steps as discussed by the authors.

TL;DR: The MIL-53 metal-organic framework (MOF) is known to change reversibly from an open-pore framework (MIL-53-ht) to a closed-Pore framework as mentioned in this paper depending on the temperature, pressure, or guest molecules absorbed.

TL;DR: Covalent triazine framework (CTF) with microporous structure and high surface area is synthesized and used as adsorbent for adsorption removal of organic dyes in aqueous solution as mentioned in this paper.

TL;DR: In this paper, the water vapour adsorption isotherms of RD silica gel, AQSOA-Z01 and 3A zeolite 3A were measured for temperatures between 20°C and 160°C, and vapour partial pressures between 1 and 500 mbar.

TL;DR: In this article, three magnetic porous resins using different amounts of porogen toluene were used to evaluate the fouling-resistance of the resins during tetracycline removal.

TL;DR: In this article, two kinds of porous nanostructured materials, ordered mesoporous silica with MCM-41 type structure and metal-organic framework (MOF) NH2-MIL-53(Al), have been combined in the same mixed matrix membrane (MMM) with a commercial glassy polymer, polysulfone (PSF) Udel® or polyimide (PI) Matrimid®, as the continuous phase.