نتایج جستجو برای: membrane filtration

تعداد نتایج: 422708  

Journal: :Jordan Journal of Civil Engineering 2023

In the present study, oxytetracycline (OTC) was selected as a medical contaminant with an organic structure to increase efficiency and feasibility of comparison other research studies. Therefore, removal OTC from medicinal effluents using different methods; namely, activated carbon, bentonite adsorption, iron(III) chloride coagulation, membrane filtration reverse osmosis (RO), investigated. Res...

Journal: :Journal of water process engineering 2022

A novel nanofiltration membrane, whose active layer consists of 98.6 wt% a thermocatalytic perovskite with composition Sr0.85Ce0.15FeO3-δ (CSF), 1.0 graphene oxide (GO), and 0.4 humic acid-like (HAL) crosslinker, was deposited over commercial flat-sheet polyethersulfone support good reproducibility by simple 1-step coating procedure. The synergistic coupling CSF the crosslinked GO resulted in a...

Excessive nutrient contents in water bodies renders eutrophication and causes undesired structural changes to the environment. One of the most straightforward strategies to address eutrophication issue is through the removal of nutrients such as phosphate ions from the water sources. A combination of membrane fltration and adsorption process is an attractive alternative...

2005
Xuejun Chen Zhemin Shen Xiaolong Zhu Yaobo Fan Wenhua Wang

The treatment of textile wastewater for reuse using an electrochemical oxidation step combined with a membrane filtration step is reported in this paper. The electrolytical process is a traditional one, which is easy to scale up and to apply in practice. This paper proposes a modification of the transfer-flow membrane (TFM) module with fibres welded in an arc-shape to enhance the mechanical pro...

Journal: :journal of membrane science and research 0
mohammad khajouei department of chemical engineering, babol noshirvani university of technology, shariati ave.,babol, iran, post code 47148-71167 majid peyravi department of chemical engineering, babol noshirvani university of technology, shariati ave.,babol, iran, post code 47148-71167 mohsen jahanshahi department of chemical engineering, babol noshirvani university of technology, shariati ave.,babol, iran, post code 47148-71167

over the past decade, many applications were intended for filtration by membrane technology especially the thin film composite (tfc) membranes. in advanced developments of thin film membranes, an attempt was made to spread a new generation of membranes called thin film nano composite (tfn) membranes. however, in the last generation of tfns, an ultrathin selective film of nanoparticles is coated...

Journal: :Journal of Membrane Science 2021

Wetting of the membrane to displace air or conditioning liquids is important exploit complex porosity a filtration membrane. This study reveals details wetting in multibore membrane-based modules. Using magnetic resonance imaging (MRI), we quantify fluid distribution patterns during initial dead-end permeation mode. The spatio-temporal evolution aqueous copper sulfate solution fibers was invest...

Journal: :Journal of Environmental Management 2021

We present a novel ‘proof-of-concept’ electrochemically based membrane filtration process for the recovery of nitrogen and phosphorus from livestock wastewater following an anaerobic digestion step. Reactive electrically conducting membranes are shown to precipitate separate struvite, eco-friendly fertilizer synthetic wastewater, resulting in production solid high-quality water stream, fit irri...

Majid Peyravi, Mohammad Khajouei Mohsen Jahanshahi,

Over the past decade, many applications were intended for filtration by membrane technology especially the thin film composite (TFC) membranes. In advanced developments of thin film membranes, an attempt was made to spread a new generation of membranes called thin film nano composite (TFN) membranes. However, in the last generation of TFNs, an ultrathin selective film of nanoparticles is coated...

2015
Akira HASHIMOTO-GOTOH Takahiro MATSUKI Takayuki MIYAZAWA

Here, we report a first study of virus removal by a novel membrane filtration system, named the "Pore Diffusion". The "Pore Diffusion" manipulated the direction of circulating flow from vertical to parallel to the membrane, thereby achieved to alter the trans-membrane pressure as low as possible. We compared the viral activity between before and after filtration by both infectivity assay and re...

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