Concentrate disposal and management is a considerable challenge for the implementation of desalination technologies, especially for inland applications where concentrate disposal options are limited. This study has focused on selective removal of arsenic and monovalent ions from brackish groundwater reverse osmosis (RO) concentrate for beneficial use and safe environmental disposal using in sit...

Thermal stability of cation exchange, PFA-g-polystyrene sulfonic acid membranes prepared by radiation-induced graft copolymerization of styrene onto PFA films followed by sulfonation was studied by thermal gravimetric analysis (TGA) and oven heat treatment. The tested samples included original and grafted PFA films as reference materials. All the membranes showed multistep decomposition pattern...

Transport phenomenon across membranes are very important as they work as guiding principles for drug permeation studies across biological membranes. Classical thermodynamics is confined to the systems of equilibrium i.e. to reversible processes only and cannot be applied to the irreversible systems where variables defining the systems are changing with time and situation. The utility of irrever...

Abstract—The contamination of significant quantities of soils and sediments with uranium and other actinide elements as a result of nuclear activity poses many environmental risks. The electrokinetic process is one of the most promising remediation techniques for sludge, sediment, and saturated or unsaturated soils contaminated with heavy metals and radionuclides. However, secondary waste is a ...

Application-oriented assembly of two-dimensional nanosheets with uniform nanochannels is critical for fabricating sophisticated, high-performance membranes water treatment. However, the desired by a simple, fast, and effective method challenge as most previous methods are based on batch processes rather than continuous roll-to-roll process. Here, simple Meyer rod-coating approach to continuousl...

The transport selectivity of different cations through cation exchange membranes (CEMs) could be estimated with the partitioning factor (Kji) and mobility ratio in membrane (uim/ujm), which turn can related to corresponding conductivity dimensional swelling data [Journal Membrane Science, 2020, 597, 117645]. This method has been validated two hydrocarbon polymer-based CEMs, obtained K+/Na+ equa...

Clay minerals have been recognized as one of the cheap and effective materials for wastewater remediation. Among various clay minerals, montmorillonite (MMT) has received much attention due to its wide availability, low-cost promising properties such high porosity, mechanical strength, cation exchange capacity. Additionally, MMT swelling properties. These features make it an ideal material reme...