Topic
BET theory
About: BET theory is a research topic. Over the lifetime, 9046 publications have been published within this topic receiving 286142 citations.
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TL;DR: In this paper, the simulation of batch and column kinetics of Methylene Blue and Red Basic 22 adsorption on mild acid hydrolyzed wheat straw was investigated, using untreated wheat straw as control, in order to examine its properties for potential use as a low cost adsorbent for wastewater dye removal.
101 citations
TL;DR: In this paper, a study of the removal of nitrate ions using polyethylene glycol/chitosan and polyvinyl alcohol/chITosan composites was investigated.
Abstract: This paper presents a study of the removal of nitrate ions using polyethylene glycol/chitosan and polyvinyl alcohol/chitosan composites were investigated. A series of batch experiments were conducted to examine the effects of contact time, adsorbent dosage and pH of the solution. Composite materials successfully adsorb nitrate from aqueous solutions at pH 3. Adsorption isotherm studies indicated that polymer composites satisfy Langmuir and Freundlich models. The rate of reaction follows pseudo-second-order kinetics. The adsorption capacities of PEG/chitosan & PVA/chitosan were found to be 50.68 and 35.03 mg g −1 respectively. The prepared adsorbents were characterized by Scanning electron microscopy (SEM), Energy dispersive analysis of X-rays (EDAX), Fourier Transform Infra-Red (FTIR), BET surface area and X-ray Diffraction (XRD). The results of the study indicated that polyethylene glycol/chitosan and polyvinyl alcohol/chitosan composites are useful materials for the removal of nitrate from aqueous solution.
101 citations
TL;DR: The sulfur-Black Pearls nanocomposite with the Pluronic copolymer as an additive in the electrodes is promising for high-rate rechargeable lithium-sulfur batteries.
Abstract: A sulfur–carbon nanocomposite consisting of a commercial high-surface-area carbon (i.e., Black Pearls 2000, BET surface area >1000 m2 g–1) and sulfur has been synthesized by an in situ deposition m...
101 citations
TL;DR: In this article, a simple approach for the preparation of hollow spheres with a 10−20nm-thick shell of silicalite-1 nanocrystals was reported, which self-assembled into hollow spheres of 100−300nm diameter when ultrasonicated in ammoniac ethanol.
Abstract: A simple approach is reported for the preparation of hollow spheres with a 10−20-nm-thick shell of silicalite-1 nanocrystals. The nanocrystals were produced by the steaming of silicalite-1 nanoprecursors (NPs), collected with the help of surfactant from a clear synthesis solution immediately following the induction period. The nanocrystals produced were ≈10−20 nm with a BET surface area of 440−470 m2/g and an external surface area >112 m2/g. A water adsorption isotherm confirmed that the nanocrystals were hydrophobic in nature. These nanocrystals self-assembled into hollow spheres of 100−300-nm diameter when ultrasonicated in ammoniac ethanol.
101 citations
TL;DR: In this article, the authors reported facile, rapid and cost-effective method for the preparation of MIL-100(Fe) via solid state reaction in a sealed autoclave.
101 citations