2 edition of Development of electron beam grafted co-polymer membranes for recovery of uranium from seawater found in the catalog.
Development of electron beam grafted co-polymer membranes for recovery of uranium from seawater
|Statement||Y.K. Bhardwaj ... [et al.].|
|Series||BARC external -- BARC/2006/E/004|
|Contributions||Bhabha Atomic Research Centre.|
|LC Classifications||Microfiche 2006/60317 (T)|
|The Physical Object|
|Number of Pages||23|
|LC Control Number||2006542698|
Mohamed Mahmoud Nasef, Hamdani Saidi, Khairul Zaman Mohd Dahlan, Acid‐synergized grafting of sodium styrene sulfonate onto electron beam irradiated‐poly(vinylidene fluoride) films for preparation of fuel cell membrane, Journal of Applied Polymer Science, /app, , . 1 Use of Electron Beam in Pre-irradiation Grafting for Preparation of Ion Exchange Membrane and Application J. Zu1), Y. Feng1), M. Wu1), S. Qiu2), C. Yu1) 1) Shanghai Applied Radiation Institute, Shanghai University, Jia Ding, Shanghai , China 2) Shanghai Applied Physics Institute, Jia Ding, Shanghai , China.
recovery of metal ions from dilute solutions of alkaline medium. Thus, the development of more efficient techniques has lead to development of liquid-membrane based separation which holds promise for recovery of uranium ions from dilute resources and has received a considerable attention in separation science and technology. There is a need to develop highly selective and efficient materials for capturing uranium (normally as UO22+) from nuclear waste and from seawater. We demonstrate the promising adsorption performance of Sx-LDH composites (LDH is Mg/Al layered double hydroxide, [Sx]2– is polysulfide with x = 2, 4) for uranyl ions from a variety of aqueous solutions including seawater.
He has been researching the recovery and removal of metal ions and proteins using various forms of adsorbents prepared by radiation-induced graft polymerization. In these areas, he has published over articles in various journals. Kunio FUJIWARA is the Division Manager of Research and Development at KJK Co., Takasaki, Japan. Membrane characterization is an important part of membrane research, development, and engineering. It provides a crucial link between the preparation and performance of the membranes and their structure, chemistry, morphology, transport properties, and other characteristics, with the ultimate goal of understanding how to make the best membrane.
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Radiation grafted membranes have been used for the recovery of uranium from water bodies [9, 10]. The present work was undertaken to study the feasibility of liquid-solid extraction process for.
The recovery of uranium (U) from seawater has been investigated for over six decades in efforts to secure uranium sources for future energy production.
Electron beam radiation graft modification of preformed polymer architecture Preparation of fibrous adsorbents containing amidoxime groups by radiation-induced grafting and application to uranium recovery from sea water. Appl Polym. Sci., 49, – CrossRef Google Scholar. Casolaro, M. () Redox and pH-sensitive polymer Cited by: 2.
Polymer membranes are powerful filtration tools in medicine and water treatment. Their efficiency and operational lifetime is limited by biofouling caused by microorganisms. This study describes the development of photodynamical active antimicrobial polymer membranes in.
Electron Beam Grafted Polymer Adsorbent for Removal of Heavy Metal Ion from Aqueous Solution Virendra Kumar Radiation Technology Development Section, Trombay, Mumbai, India, Y. Bhardwaj Radiation Technology Development Section, Trombay, Mumbai, India Correspondence [email protected] [email protected] by: Process technology for extraction of uranium from seawater has been initiated in India on bench scale field trials and for this purpose special adsorbents have been synthesised by radiation.
The recovery process of uranium from seawater consists of three stages: (1) adsorption from seawater using an amidoxime resin, (2) purification of the eluate with another chelating resin, and (3) further concentration of uranium using an anion-exchange resin.
Development of Novel Ion-Exchange Membranes for Electrodialysis of Seawater by Electron-Beam-Induced Graft Polymerization (I) Selection of Trunk Polymeric Films Kazuyoshi Miyoshi 1), Tadashi Miyazawa 1), Naohiro Sato 1), Daisuke Umeno 1), Kyoichi Saito 1), Takeshi Nagatani 2).
Miyazawa, Y. Asari, K. Miyoshi, D. Umeno, K. Saito, T. Nagatani, N. Yoshikawa, Development of novel ion-exchange membranes for electrodialysis of seawater by electron-beam-induced graft polymerization (II) Graft polymerization of vinyl benzyltrimethylammonium chloride and sodium styrenesulfonate onto nylon-6 film.
Bull. Soc. Sea Water Sci. Jpn. 63, – () Google Scholar. Electron beam grafting – a versatile strategy for Historical development of e-beam Systems – COMET’s revolutionary development Prof.
P.M. Kristiansen Swiss MNT-Event "Trends in Micro Nano" COMET’s unique sealed beam emitter technology • Hydrophilization of membranes.
electron beam. A decade of laboratory testing and water chemistry1,2,3,4 has demonstrated that electron beam treatment is highly effective in dissociating organic contaminants in water. The challenge today is to make e-beam treatment cost-effective for industrial wastewater applica-tions.
Hydrogen-permselective membranes were developed using a radiation-induced grafting method. Styrene (St) and acrylic acid (AAc) monomers were introduced into porous polyvinylidene fluoride (PVDF) membranes to obtain St- and AAc-grafted PVDF membranes with grafting degrees of 82% and 92%, respectively.
The porosities of the grafted membranes were controlled in the range 30–40%. Uwe Lappan, Uwe Geißler, Ulrich Scheler, The Influence of the Irradiation Temperature on the Ratio of Chain Scission to Branching Reactions in Electron Beam Irradiated Polytetrafluoroethylene (PTFE), Macromolecular Materials and Engineering, /mame,5, (), ().
TABLES Major Electron Beam Processing Applications 3 Major Suppliers of Electron Beam Equipment. 9 Summary Comparison of Capital and Operating Costs of Electron Beam.
Polymer electrolyte membranes (PEM) for potential applications in fuel cells or vanadium redox flow batteries were synthesized and characterized.
ETFE (poly (ethylene-alt-tetrafluoroethylene)) and PVDF (poly (vinylidene fluoride)) serving as base materials were activated by electron beam treatment with doses ranging from 50 to kGy and subsequently grafted via radical copolymerization with.
Chelating membranes containing amidoxime groups for the recovery of uranium were synthesized by the radiation-induced graft polymerization of acrylonitrile onto high- and low-density polyethylene films, followed by amidoximation of the cyano groups.
Graft polymerization (Kabanov et al., ) and crosslinking are well known reactions in radiation processing of reactions were initialized by high-energy irradiation of γ-ray or electron beam toward the polymer as shown in Fig.the radiation-induced graft polymerization (RIGP) can be applicable to the conventional polymers having various shapes such as membrane.
Membranes and Introduction of Thiol Group on the Grafted Side Chains, Fiber, 56,pp. – Das S, Pandey AK, Athawale A, Kumar V, Bhardwaj YK, Sabharwal S, Manchanda VK, Chemical Aspects of Uranium Recovery from Seawater by Amidoximated Electron Beam Grafted Polypropylene Membranes, Desalination, pp.
– Electron-beam-induced grafting of hydrophilic polymers was applied to modify PVDF membranes for biomedical applications. Grafting was performed by immersing the membrane in an aqueous solution of different hydrophilic polymers followed by electron-beam irradiation.
The two polymer types are able to. Das, S. et al. Chemical aspects of uranium recovery from seawater by amidoximated electron-beam-grafted polypropylene membranes.
Desalination. Support. Find support for a specific problem on the support section of our website. Get Support.We report on the development of an e‐beam lithography process for the fabrication of x‐ray masks for nanolithography with minimum feature size down to 65 nm.
The process is based on accelerating voltages below 50 kV, with a single layer of μm thick PMMA.Demonstrated expertise in design and development of functional polymer sorbents (i.e. membranes, hydrogels, thin films, etc.) and their physicochemical characterization for targeted applications.
Crafted and introduced new polymer membrane sorbents functionalized with amidoxime, sulfate and phosphate functional groups for toxic heavy metal ions.