Research on Obtaining and Characterization of Polymeric Membranes for Wastewater Treatment
Journal Title: Analele Universitatii "Dunarea de Jos" din Galati. Fascicula IX, Metalurgie si Stiinta Materialelor - Year 2016, Vol 39, Issue 2
Abstract
Some of the most common polymeric membranes are used in wastewater treatment. Over the years, these membranes have been studied from different points of view: their aim to improve the retention of impurities, membrane affinity to water and degree of fouling of polymeric membranes. By analysing the surface of the membrane material by chemical characteristics information can be offered regarding the polymer’s hydrophilicity or hydrophobicity. Improving membrane properties can be achieved during the stage of obtaining the polymer solution and during the thin film deposition step. To obtain polymeric membranes, the phase inversion method was used, following the influencing factors on membrane properties during the manufacturing process. The performance of membranes was studied using various parameters which lead to different results in terms of flux, permeability and hydrophilicity. This paper presents the influence of different polymer concentration, the influence of relative air humidity and the membrane thickness gradient on membrane flux and permeability.
Authors and Affiliations
Laurenția Geanina TIRON, Maria VLAD, Ștefan Cătălin PINTILIE, Ștefan BALTĂ
Keywords
Related Articles
- EP ID EP577214
- DOI -
- Views 72
- Downloads 0
Research on Influence of Metallurgy Factors on the Quality of Metal Components in Metal-Ceramic Prosthetic Restorations
The paper summarizes the characteristics of the metal component in the structure of metal-ceramic fixed prostheses and the technological conditions for obtaining it. The paper presents partial results of an experimental...
A Setup for Preparation of Glass-Carbon Coatings on TiO2-Nb2O5 Intended for Hip Joint Prostheses
A setup for preparation of glass-carbon coatings on TiO2-Nb2O5 ceramic materials, intended for implants for surgery of hip joint prostheses, is described. The setup described consists of vacuum tight ceramic chamber; pro...
Zinc Layer Removal at the Steel Appliances Scraps
All appliances contain an important quantity of steel and iron. These can be further recycled at the end of product usefulness. A component of the appliances is the bodies. These are made from galvanized steel. A study f...
Modelling by Finite Element Analysis Method of Stress State Establishing for an Steel Alloy
The paper presents some results about the tension state in samples subject to pure bending fatigue process. Numerical simulation based on finite element method was used. The tension field induced by a vertical deformatio...
FEM Analysis of the Spur Gears Press–Rolling Process
This paper presents the FEM (finite element method) analysis of the pressingrolling process, a new method for obtaining spur gears. Using symmetries, the 3D geometrical model was created for tools and for the initial bla...