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Fabrication and performance evaluation of Faujasite zeolite composite ultrafiltration membrane by separation of trivalent ions from aqueous solution

05-Feb-2016 | Ashim Kumar Basumatary, Partha Pratim Adhikari, Aloke Kumar Ghoshal, G. Pugazhenthi, Environmental Progress, 2016

This study deals with the separation of trivalent salts (FeCl3 and AlCl3) from aqueous solution using Faujasite (FAU) zeolite composite ultrafiltration membrane. The ceramic support was prepared by a facile uniaxial compaction method and sintered at 950°C. The FAU coating on the ceramic support ...


Adsorption and separation of binary and ternary mixtures of SO2, CO2 and N2 by ordered carbon nanotube arrays: grand-canonical Monte Carlo simulations

02-Feb-2016 | Mahshid Rahimi; Jayant K. Singh; Florian Müller-Plathe, Physical Chemistry Chemical Physics, 2016

The adsorption and separation behavior of SO2–CO2, SO2–N2 and CO2–N2 binary mixtures in bundles of aligned double-walled carbon nanotubes is investigated using the grand-canonical Monte Carlo (GCMC) method and ideal adsorbed solution theory. Simulations were performed at 303 K with nanotubes of 3 ...


Development and validation of a CE‐MS method for the targeted assessment of amino acids in urine

30-Jan-2016 | Karina T. Rodrigues, Djalila Mekahli, Marina F. M. Tavares, Ann Schepdael, ELECTROPHORESIS, 2016

A CE‐ESI‐MS method was developed and validated for the separation and quantitative analysis of amino acids in urine. Experimental parameters related to the CE‐MS interface, background electrolyte (BGE) and mass spectrometer (MS) settings were optimized providing a good separation of 27 amino ...


Switchable Hydrophobic Valve for Controlled Microfluidic Processing

28-Jan-2016 | Gokul Chandra Biswas, Takahiro Watanabe, Edwin T. Carlen, Masatoshi Yokokawa, Hiroaki Suzuki, ChemPhysChem, 2016

Abstract A simple microfluidic valve, without any moving parts, is presented that can control solution flow on demand in microchannels of many different materials using a low‐power electric signal. Many independently operating valves can easily be integrated into complex microfluidic systems. ...


Zirconium(IV) Phosphonate–Phosphates as Efficient Ion-Exchange Materials

28-Jan-2016 | Rita Silbernagel; Caroline H. Martin; Abraham Clearfield, Inorganic Chemistry, 2016

Layered metal phosphonate–phosphate hybrid materials are known to be ion-exchange materials. Hybrids with zirconium metal centers were synthesized at varying phosphonate–phosphate ratios in order to explore the function and charge preference. The zirconium hybrid materials were found to have a ...


Determination of the Solid–Liquid Phase Diagram of the Binary System Propionic Acid/Water

28-Jan-2016 | Thouaïba Htira; Claudia Cogné; Emilie Gagnière; Denis Mangin, Journal of Chemical & Engineering Data, 2016

Solid–liquid phase diagram of the system water/propionic acid was achieved using two methods, the differential scanning calorimetry and a synthetic method. The liquidus curve is a simple eutectic diagram (89 wt % at 243 K) with an “S-shaped” form due to an inflection point (occurring at around ...


Separation of Succinic Acid from Aqueous Solution by Macroporous Resin Adsorption

28-Jan-2016 | Zhu Sheng; Bo Tingting; Chen Xuanying; Wang Xiangxiang; Long Mengdi, Journal of Chemical & Engineering Data, 2016

Attempts were made to recover succinic acid from aqueous solution by macroporous resin adsorption. The adsorption properties of succinic acid on seven different resins (HPD-300, HPD-400, HPD-450, HPD-500, HPD-826, AB-8, and NKA-9) were compared systematically. According to the adsorption ...


Uptake of Europium(III) from Water using Magnetite Nanoparticles

25-Jan-2016 | Rui Silva Carvalho, Ana L. Daniel‐da‐Silva, Tito Trindade, Particle & Particle Systems Characterization, 2016

It is demonstrated that colloidal magnetite nanoparticles can be used as nanosorbents for lanthanide ions dissolved in water. In particular, a series of experiments are performed for the removal of Eu(III) in distinct analytical conditions and by applying an external magnet to collect the ...


Lanthanide Complexation of 2,6‐Bis(5,6‐dipyridyl‐1,2,4‐triazinyl)pyr­idine – Solvent‐ and Lanthanide‐Ion‐Controlled Ligand Coordination Mode and Denticity

25-Jan-2016 | Arunasis Bhattacharyya, Paul M. Forster, Daniel B. Rego, Kenneth R. Czerwinski, European Journal of Inorganic Chemistry, 2016

Abstract 2,6‐Bis(5,6‐dipyridyl‐1,2,4‐triazinyl)pyridine (PyBTP) is an interesting ligand owing to the possible variation of its coordination sites and denticity in complexation. Therefore, solution and solid‐phase lanthanide complexations were studied with PyBTP in two solvents, viz., ...


Preparation of PVDF/CaCO3 hybrid hollow fiber membranes for direct contact membrane distillation through TIPS method

23-Jan-2016 | Yang Song, Ziyi Wang, Qin Wang, Baoan Li, Benhe Zhong, Journal of Applied Polymer Science, 2016

ABSTRACT Poly(vinylidene fluoride) (PVDF)–CaCO3 hybrid hollow fiber membranes with a cellular structure and prominent permeability were fabricated via the thermally induced phase separation method for membrane distillation. CaCO3 nanoparticles were introduced to the casting solution to improve ...


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