Polymer-based membranes have advanced or novel functions in the various membrane separation processes for liquid and gaseous mixtures, such as gas separation, pervaporation (PV), reverse osmosis (RO), nanofiltration (NF), ultrafiltration (UF), microfiltration (MF), other critical applications of water purification, solvent concentration, recovery [...]

A novel polyacrylonitrile (PAN)-based ultrafiltration (UF) hollow-fiber membrane was newly synthesized for nanofiltration (NF) applications. This semi-fully NF characterized using a variety of analysis techniques. The exhibited higher negative charge and hydrophilicity lower surface roughness compared to the pristine UF membrane. Experiments study performance fouling were simulated under labora...

Nanofiltration (NF) with high water flux and precise separation performance Li+/Mg2+ selectivity is ideal for lithium brine recovery. However, conventional polyamide-based commercial NF membranes are ineffective in recovery processes due to their undesired selectivity. In addition, they constrained by the permeance trade-off, which means that a highly permeable membrane often has lower this stu...

This paper explores the use of nanofiltration (NF) and Reverse Osmosis (RO) to remove pharmaceutical Fluoxetine (FLX) from water. substance can be found in rivers lakes requires studies involving application efficient technologies for its removal or mitigation. The study evaluated NF RO membranes as an alternative removed fluoxetine within range between 50 60%, demonstrated higher efficiency re...

Rapid increase in population and industrialization leads to huge generation of solid waste throughout the country with landfilling as the most common practice for management of these solid waste. It is estimated that out of 3267 MLD of sewage is generated in Delhi. Concentrations of COD, BOD5, heavy metals, NH4AN, low BOD5/COD ratio and the lack of nutrients in the methanogenic phase have restr...

This paper presents Membrane Bioreactor (MBR) and Nanofiltration (NF) systems as alternative effective approaches for treatment reusing domestic sewage. The goal is to investigate the general performance of a membrane bioreactor nanofilteration ability satisfy water reuse requirements using quality index such total suspended solids (TSS), chemical oxygen demand (COD), ammonia (NH3). findings sh...

A laboratory-scale membrane bioreactor (MBR) and nanofiltration (NF) hybrid system has been built to investigate effects of changes in characteristics of effluent organic matter by the MBR on fouling characteristics of the NF membranes. Large amounts of polysaccharide-like substances with small molecular weight and strong fluorescence intensity at the excitation wavelength of 230nm and the emis...

Nanofiltration (NF) is a high-pressure membrane filtration process increasingly applied in drinking water treatment and water reuse processes. NF typically rejects divalent salts, organic matter, and micropollutants. However, the efficiency of NF is adversely affected by membrane biofouling, during which microorganisms adhere to the membrane and proliferate to create a biofilm. Here we show tha...

Membrane filtration technology has attracted extensive attention in academia and industry due to its advantages of eco-friendliness related environmental protection high efficiency. Polyamide thin-film composite nanofiltration (PA TFC NF) membranes have been widely used their separation performance. Non-acid-resistant PA NF face tremendous challenges an acidic environment. Novel relatively acid...

The rejection of cyclophosphamide (CP) by nanofiltration (NF) and reverse osmosis (RO) membranes from ultrapure (Milli-Q) water and membrane bioreactor (MBR) effluent was investigated. Lyophilization-extraction and detection methods were first developed for CP analysis in different water matrices. Experimental results showed that the RO membrane provided excellent rejection (>90%) under all ope...