Abstract
Improving Ideal Performance of Hollow Fiber Carbon Membrane for H2/N2 Separation
Highlights
Owing to low capital costs and high efficiency in energy consumption, membrane technology in gas separation has been considered as a competitive alternative to replace or integrate with the existing conventional technology such as pressure swing adsorption, cryogenic distillation, and amine absorption (Ismail & David, 2001)
The decreasing trend of the permeabilities against the increasing kinetic diameter of the gases, as shown by the PPOM and CM600, suggested that the transport mechanism was governed by the molecular sieving effect (He & Hägg, 2011; Itta, Tseng, & Wey, 2011; Zhang, Wang, Zhang, Qiu, & Jian, 2006)
This paper presented the synthesis and enhancement of hollow fiber carbon membrane from PPO in terms of pyrolysis temperature, heating rate, and thermal soaking time based on the Robeson’s upper bound and H2/N2 commercial boundary
Summary
Owing to low capital costs and high efficiency in energy consumption, membrane technology in gas separation has been considered as a competitive alternative to replace or integrate with the existing conventional technology such as pressure swing adsorption, cryogenic distillation, and amine absorption (Ismail & David, 2001). The development of carbon membranes encompasses several critical variables, such as polymer precursor selection, pyrolysis temperature, heating rate, thermal soaking time, and heating atmosphere. This work is to show that the carbon membrane pyrolysis and its corresponding performances can be directed into the optimum area of desirable permeability and selectivity.
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