Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Meha Rungta"'
Autor:
Shilu Fu, William J. Koros, Nitesh Bhuwania, Meha Rungta, Liren Xu, Chen Zhang, Graham B. Wenz, Oishi Sanyal
Publikováno v:
Carbon. 127:688-698
Carbon molecular sieve (CMS) membranes are a special class of nanoporous membranes with angstrom-level molecular discrimination properties, which make them appealing for separating a wide spectrum of gas-pairs. The mechanism of pyrolysis by which a p
Autor:
Jeevan S. Abichandani, Jason Bentley, Sankar Nair, David S. Sholl, Jason A. Gee, Ke Zhang, Meha Rungta, Souryadeep Bhattacharyya
Publikováno v:
The Journal of Physical Chemistry C. 120:12075-12082
We report the computational discovery and experimental evaluation of nanoporous materials targeted at the adsorptive separation of p-xylene from a C8 aromatics mixture. We first introduce a computational method that is capable of efficiently predicti
Autor:
Meha Rungta, Neeraj Sangar, Guo Shiou Foo, Sankar Nair, Jason Bentley, David S. Sholl, Carsten Sievers
Publikováno v:
Industrial & Engineering Chemistry Research. 55:5043-5053
We report a detailed investigation of the factors influencing olefin/paraffin separation in the metal–organic framework (MOF) adsorbent Cu3(BTC)2 (BTC, benzene-1,3,5-tricarboxylate). The effects of synthesis and activation parameters on the availab
Publikováno v:
Carbon. 85:429-442
Understanding the relationship between carbon molecular sieve (CMS) pore structure and corresponding gas separation performance enables optimization for a given gas separation application. The final pyrolysis temperature and starting polymer precurso
Autor:
Wulin Qiu, William J. Koros, Marcos V. Martinez, Gregory A. Barbay, Meha Rungta, John Hessler, Liren Xu, Brayden Mark K
Publikováno v:
Carbon. 80:155-166
This paper considers physical aging in carbon molecular sieve (CMS) membranes. Moreover, the performance of stabilized membranes under practical operating conditions is discussed. Physical aging has been studied extensively in glassy polymers, but ag
Publikováno v:
Journal of Membrane Science. 459:223-232
This paper reports the formation of defect-free 6FDA-DAM asymmetric hollow fiber membranes. 6FDA-polyimides are of great interest for advanced gas separation membranes, and 6FDA-DAM polyimide is a representative polymer in this family with attractive
Publikováno v:
AIChE Journal. 59:3475-3489
Ethylene/ethane separation via cryogenic distillation is extremely energy-intensive, and membrane separation may provide an attractive alternative. In this paper, ethylene/ethane separation performance using polymeric membranes is summarized, and an
Autor:
Meha Rungta, William J. Koros, Gregory A. Barbay, Brayden Mark K, Marcos V. Martinez, Liren Xu, Brien A. Stears
Publikováno v:
Journal of Membrane Science. :314-323
In this paper, the development of asymmetric carbon molecular sieve (CMS) hollow fiber membranes and advanced processes for olefin/paraffin separations based on the CMS membranes are reported. Membrane-based olefin/paraffin separations have been purs
Publikováno v:
Carbon. 50:1488-1502
Development of dense film carbon molecular sieve (CMS) membranes for ethylene/ethane (C2H4/C2H6) separation is reported. A commercial polyimide, Matrimid®, was pyrolyzed under vacuum and inert argon atmosphere, and the resultant CMS films were chara
Publikováno v:
Journal of Membrane Science. 380:138-147
Carbon molecular sieve (CMS) membranes have shown promising separation performance compared to conventional polymeric membranes. Translating the very attractive separation properties from dense films to hollow fibers is important for applying CMS mat