Gas Separation Using Membranes. 1. Optimization of the Separation Process Using New Cost Parameters

1997 ◽  
Vol 36 (3) ◽  
pp. 821-829 ◽  
Author(s):  
Anthony B. Hinchliffe ◽  
Kenneth E. Porter
Keyword(s):  
Gas Separation ◽  
Separation Process ◽  
Cost Parameters

Gas separation process: analysis of composite membranes based on alumina/PVDF at lower power consumption energy

2012 ◽  
Vol 51 (1-3) ◽  
pp. 606-608 ◽  
Author(s):  
Dionísio da Silva Biron ◽  
Camila Cherubini ◽  
Venina dos Santos ◽  
Lucas Gomes ◽  
Andréa Schneider ◽  
...  
Keyword(s):  
Power Consumption ◽  
Gas Separation ◽  
Process Analysis ◽  
Composite Membranes ◽  
Separation Process ◽  
Lower Power ◽  
Consumption Energy

Synthesis and Formation of Gas Separation Membranes Based on Polyalkylenesiloxanes

2019 ◽  
Vol 816 ◽  
pp. 233-237
Author(s):  
Ilya L. Borisov ◽  
N.V. Ushakov ◽  
E.A. Grushevenko ◽  
E.S. Finkel’stein ◽  
V.V. Volkov
Keyword(s):  
Gas Separation ◽  
Separation Process ◽  
Membrane Gas Separation ◽  
Gas Separation Membrane ◽  
Separation Membranes ◽  
Gas Separation Membranes ◽  
Gas Transport Properties ◽  
Separation Membrane ◽  
Transport Component ◽  
The Ideal

The membrane gas separation is currently a competitive separation process. The heart of the membrane gas separation process is the membrane, more precisely the material from which it is made. The search for a selective material to develop a gas separation membrane is an important task presently. Membrane materials with advantageous impact of sorption transport component is a good material for the selective fractionating С1-С4 hydrocarbons with obtaining methane fraction and C3+ fraction. Such materials are polyalkylenesiloxanes. In this work, the optimal concentration of a curing agent (tetraethoxysilane) was defined (5%). Such concentration is necessary for obtaining constant membrane film with high gas transport properties: the permeability coefficient for n-butane is 7400; the ideal selectivity of n-butane/methane is 25.5.

Selective Nanopores in Graphene Sheet for Separation I-129 Isotope from Air

2017 ◽  
Vol 6 (1) ◽  
pp. 10-17 ◽  
Author(s):  
Seyyed Mahmood Fatemi ◽  
Hamid Sepehrian ◽  
Masoud Arabieh
Keyword(s):  
Molecular Dynamic Simulation ◽  
Pore Size ◽  
Gas Separation ◽  
Dynamic Simulation ◽  
Separation Process ◽  
Atomic Gases ◽  
Key Factors ◽  
Graphene Membrane ◽  
Proper Size ◽  
Nanoporous Graphene

Molecular dynamic simulation was used to investigate the ability of nanoporous graphene membrane in gas separation process. Three di-atomic gases (I2, N2 and O2) were considered, in which different pore sizes were modeled on graphene. The structure contains an impermeable movable wall (piston) to push the mixture gases toward the nanoporous graphene membrane. Two different simulations were carried out, with two different piston velocities. Two key factors in gases separation process are the pore size of graphene and the velocity of movable wall. The results revealed that I-129 separation was improved by using proper size of pore and by decreasing the velocity of movable wall. It was also found that the I-129 gas radionuclides could be completely separated from nitrogen and oxygen molecules in the pore-12 graphene configuration. It was also found that nitrogen was more strongly adsorbed onto the membrane than oxygen, while I-129 was not adsorbed.

Exergy and exergoeconomic evaluation of gas separation process

2012 ◽  
Vol 9 ◽  
pp. 86-93 ◽  
Author(s):  
B. Ghorbani ◽  
G.R. Salehi ◽  
M. Amidpour ◽  
M.H. Hamedi
Keyword(s):  
Gas Separation ◽  
Separation Process
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