Porous nanoparticles with interfacial adhesiveness boost the selectivity of separation membranes to achieve size-selective nanofiltration.

This study focuses on a possible elimination of glucose from a sodium lactate fermentation broth by nanofiltration (NF). The results obtained with single-solute solutions indicate that glucose is clearly more retained that sodium lactate. Nevertheless, glucose retention strongly decreases when the two solutes are present in the same solution and the separation becomes unachievable. Such a incid...

Forward osmosis (FO) is a membrane separation technology that has been studied in recent years for application in water treatment and desalination. It can best be utilized as an advanced pretreatment for desalination processes such as reverse osmosis (RO) and nanofiltration (NF) to protect the membranes from scaling and fouling. In the current study the rejection of trace organic compounds (TOr...

Iron oxide colloids and natural organic matter in the presence of divalent cations cause irreversible fouling for commonly used drinking water nanofiltration membranes.

Numerous studies showed that people have difficulty performing two tasks at the same time. This difficulty is indicated by additional performance costs in dual-task situations when compared to single-task situations, i.e. dual-task costs. However, recent evidence has shown a substantial reduction of dual-task costs through practice. The finding of dual-task costs at the beginning and the reduct...

Technology makes the world go round . This statement is not only valid in general, but is also a true representation of the future of membranes in the field of the water treatment. Since their introduction in the late 1950 s, reverse osmosis, nanofiltration, ultrafiltration and microfiltration membranes have been increasingly used for a multiple of different applications in the field of water t...

A frontier to be conquered in the field of membrane technology is related to the very limited scientific base for the rational and task-specific design of membranes. This is especially true for nanofiltration membranes with properties that are based on several solute-membrane interaction mechanisms. "Thinking in terms of Structure-Activity-Relationships" (T-SAR) is a methodology which applies a...