نتایج جستجو برای: membrane recovery
تعداد نتایج: 582282 فیلتر نتایج به سال:
because most contaminants in water create strong interactions with hydrophobic surfaces, there are usually problems such as flux decline and pore blocking in polyethylene (pe) membranes due to irreversible adsorption of foulants on their intrinsic hydrophobic surface. therefore, in this work, attempts were made to improve the properties of pe membranes in terms of water flux and membrane foulin...
In this study, we analyze the effects of membrane properties, namely water permeability, solute permeability, and structural parameter, on the overall performance of an FO membrane module to extract water from simulated seawater (0.6 M NaCl). By considering the thermodynamic limit of operation, we demonstrate that the maximum achievable water recovery is practically independent of membrane prop...
One-step isolation of plasma membrane proteins using magnetic beads with immobilized concanavalin A.
We have developed a simple method for isolating and purifying plasma membrane proteins from various cell types. This one-step affinity-chromatography method uses the property of the lectin concanavalin A (ConA) and the technique of magnetic bead separation to obtain highly purified plasma membrane proteins from crude membrane preparations or cell lines. ConA is immobilized onto magnetic beads b...
Membrane treatment of secondary effluent for reuse applications is a promising approach to expand water supplies and provide flexibility resources management. However, effective control membrane fouling scaling crucial cost-effective system resilience. This study compared the performance antiscalants an alternating, current-induced electromagnetic field (EMF) as alternative pretreatment method ...
this is a comprehensive review of the recent progresses made in the field of zeolite membranes. it describes zeolitic materials and methods of membrane fabrication, followed by a summary of applications for gas separation, pervaporation and separation of liquid mixtures. special attention is called to polymer mixed matrix membranes (mmms) and membranes based on metal organic frame works (mofs)....
Topical application of polyols such as xylitol and fructose accelerated epidermal water-impermeable barrier recovery. The polyoxyethylene/polyoxypropylene dimethyl ether (EPDME) random copolymer accelerates recovery the well. Previous physicochemical studies have demonstrated that these polymer interact with phospholipid membrane. To examine interaction between polyols/polymer lipids in epiderm...
The structural characteristics of membrane support directly affect the performance of carrier facilitated transport membrane. A highly porous PolyHIPE impregnated with Aliquat 336 is proposed for Cr(VI) separation. PolyHIPE consisting of poly(styrene-co-2-ethylhexyl acrylate) copolymer crosslinked with divinylbenzene has the pore structure characteristic of large pore spaces interconnected with...
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