نتایج جستجو برای: Gas separation membranes

تعداد نتایج: 449843  

Journal: :journal of membrane science and research 0
d.e. koutsonikolas chemical process & energy resources institute, centre for research and technology hellas, thessaloniki, greece s.p. kaldis chemical process & energy resources institute, centre for research and technology hellas, thessaloniki, greece ch. matsouka laboratory of materials technology, chemical engineering department, aristotle university of thessaloniki, thessaloniki, greece v.t. zaspalis laboratory of materials technology, chemical engineering department, aristotle university of thessaloniki, thessaloniki, greece

the gas separation performance of commercial ceramic titania and hybrid silica (hybsi®) membranes was assessed using the gas permeation and permporometry methods. results indicated that the hybsi® membranes have a hybrid surface containing regions covered by a polymeric matrix and others with inorganic pores. these membranes have high h2 selectivity, which increases significantly with temperatu...

Journal: :journal of nanostructures 2016
p. safaei a. marjani m. salimi

the current study presents synthesis and characterization of high impact polystyrene - tio2 nanoparticles mixed matrix membranes for separation of carbon dioxide from nitrogen. the solution-casting method was used for preparation of membranes. the nano mixed matrix membranes were characterized using scanning electron microscopy to ensure the suitable dispersion of nano particles in high impact ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1393

asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...

Journal: :journal of membrane science and research 0
c. feng chemical engineering and applied chemistry department, university of toronto, on., m5s 3e5, canada k.c. khulbe industrial membrane research laboratory, department of chemical and biological engineering, university of ottawa, on. k1n 6n5, canada t. matsuura industrial membrane research laboratory, department of chemical and biological engineering, university of ottawa, on. k1n 6n5, canada r. farnood chemical engineering and applied chemistry department, university of toronto, on., m5s 3e5, canada a.f. ismail advanced membrane technology center (amtec), universiti teknologi malaysia, 81310 skudai, johor bahru, malaysia

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)....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :journal of membrane science and research 0
gohar gholami department of chemical engineering, amirkabir university of technology, no.424, hafez ave., po box 15875-4413, tehran, iran mansooreh soleimani department of chemical engineering, amirkabir university of technology, no.424, hafez ave., po box 15875-4413, tehran, iran maryam takht ravanchi catalyst research group, petrochemical research and technology company, national petrochemical company, tehran, iran

carbon molecular sieve membranes (cmsms) have been considered as very promising candidates for gas separation, in terms of separation properties as well as thermal and chemical stability. due to the numerous advantages and wide applications of carbon membranes, their application for gas separation is of special importance. because of the importance of carbon membranes and a large number of stud...

A.F. Ismail, C. Feng K.C. Khulbe, R. Farnood T. Matsuura

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)....

Journal: :نشریه دانشکده فنی 0
سارا فرهنگی مجتبی شریعتی نیاسر محمد سلطانیه مهدی پور افشاری چنار

it is several decades that the application of membrane processes for gas separation has become a great concern within industries. among them, the polymeric membranes of different structures have played the most important role. such application has been widely extended to gas separation and due to the necessity of both; prediction of the behavior of these processes and recognition of the effecti...

Carbon molecular sieve membranes (CMSMs) have been considered as very promising candidates for gas separation, in terms of separation properties as well as thermal and chemical stability. Due to the numerous advantages and wide applications of carbon membranes, their application for gas separation is of special importance. Because of the importance of carbon membranes and a large number of stud...

Mehdi Pourafshari Chenar Mohammad Soltanieh Mojtaba Shariati Niasar Sara Farhangi

It is several decades that the application of membrane processes for gas separation has become a great concern within industries. Among them, the polymeric membranes of different structures have played the most important role. Such application has been widely extended to gas separation and due to the necessity of both; prediction of the behavior of these processes and recognition of the effecti...

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