A. Yu. Pulyalina, N. S. Tyan, I. I. Faykov, G. A. Polotskaya, V. A. Rostovtseva
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引用次数: 2
Abstract
This work shows the possibility of formation of membranes with an asymmetric porous structure based on copolyimide/nanodiamonds (coPI/ND) composites. The influence of nanodiamonds as well as variation of the nature of the solvent by introducing an ionic liquid on the structure and thermal properties of the membranes is investigated by X-ray diffraction analysis, thermogravimetric analysis, scanning electron microscopy, and IR spectroscopy. The transport properties of the membranes are investigated in the process of ultrafiltration of aqueous solutions of proteins. The effect of the additions of an ionic liquid on the optimization of transport characteristics is carried out. It is shown that membranes based on coPI/ND composites possess increased hydraulic performance: the introduction of up to 3 wt % ND and use of an ionic liquid as a cosolvent lead to increase in the flux up to 600 L m−2 h−1 bar−1 compared to a membrane based on PA.
期刊介绍：
The journal Membranes and Membrane Technologies publishes original research articles and reviews devoted to scientific research and technological advancements in the field of membranes and membrane technologies, including the following main topics:novel membrane materials and creation of highly efficient polymeric and inorganic membranes;hybrid membranes, nanocomposites, and nanostructured membranes;aqueous and nonaqueous filtration processes (micro-, ultra-, and nanofiltration; reverse osmosis);gas separation;electromembrane processes and fuel cells;membrane pervaporation and membrane distillation;membrane catalysis and membrane reactors;water desalination and wastewater treatment;hybrid membrane processes;membrane sensors;membrane extraction and membrane emulsification;mathematical simulation of porous structures and membrane separation processes;membrane characterization;membrane technologies in industry (energy, mineral extraction, pharmaceutics and medicine, chemistry and petroleum chemistry, food industry, and others);membranes and protection of environment (“green chemistry”).The journal has been published in Russian already for several years, English translations of the content used to be integrated in the journal Petroleum Chemistry. This journal is a split off with additional topics.
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