The partial retention of the disperse phase in the ultrafiltration of a monodisperse system through an isoporous filter is interpreted on a statistical basis, and a simple expression for the sieve constant is evaluated in terms of the calibrated membrane porosity and the particle size. Curves calculated from this expression are in reasonable agreement with experimental data for the ultrafiltrat...

Oil–in–water emulsion separation is a challenging process in industries due to the large volumes of emulsified oil produced. Membrane technology has become more important treatment its high efficiency and straightforward operational procedure. Up now, microfiltration ultrafiltration are most utilized membrane processes for oil-in-water separation. However, deals with several problems. The prese...

Cross-flow ultrafiltration (UF) membrane with two different configurations; single (10 kDa and 5 kDa) two-stage (10/5 in fractionating microalgae protein hydrolysate (MPH) were studied to obtain a low molecular weight of peptide. The effect flow rate, trans-membrane pressure (TMP), pH MPH evaluated based on permeate flux peptide transmission. results showed that, for UF membrane, optimum operat...

Shellfish as a foodstuff must meet sanitary quality objectives for the protection of consumers and this is closely linked to water. The oyster industry considered challenge related contaminations currently, major risk disease due presence norovirus (NoV) since all oyster-consuming countries report outbreaks gastroenteritis microorganism. Ultrafiltration has already demonstrated be efficient vir...

Thermoase-digested flaxseed protein hydrolysate (FPH) samples and ultrafiltration membrane-separated peptide fractions were initially evaluated for in vitro inhibition of angiotensin I-converting enzyme (ACE) and renin activities. The two most active FPH samples and their corresponding peptide fractions were subsequently tested for in vivo antihypertensive activity in spontaneously hypertensive...

Using gel filtration chromatography, we evaluated aluminum bound to albumin, transferrin, and other plasma proteins in the serum of patients on maintenance hemodialysis. The proportion of dialyzable aluminum, as determined by selective membrane ultrafiltration and flameless atomic absorption spectrometry, increased by more than fourfold on treatment with the metal chelator, deferoxamine. This u...

BACKGROUND There is a need for consensus concerning reference methods to be used for calibration of commercial free-thyroxine (FT(4)) assays. METHODS Three different potential reference techniques were investigated for adsorption of T(4) to membrane materials, including any in vitro solid surfaces to which T(4) might adsorb, and for efficient separation of the T(4)-binding proteins from the f...

Membrane technology, i.e., ultrafiltration and nanofiltration, is growing in popularity, as it is a space efficient alternative for surface water treatment. Two types of hollow fiber membranes were tested in a fully equipped and automated pilot at a Swedish water treatment plant. Raw water was treated by a nanofilter and by coagulation before an ultrafilter. Operation parameters recorded during...