Adsorption equilibria and kinetics of propane and propylene on zeolite 13X pellets

Kim, Jae Jeong; Lim, Seung Jun; Ahn, Hyungwoong; Lee, Chang Ha

doi:10.1016/j.micromeso.2018.07.039

Cited by 30 publications

(7 citation statements)

References 39 publications

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“…), the increasing temperature can lead instead to decreasing the adsorption kinetics due to the thermal resistance, as discussed in the literature. 21,22 The isosteric heat of adsorption can be calculated by the Clausius− Clapeyron equation, displayed in eq 5.…”

Section: Methodsmentioning

confidence: 99%

“…However, in particle-type adsorbents (bead, granule, etc. ), the increasing temperature can lead instead to decreasing the adsorption kinetics due to the thermal resistance, as discussed in the literature. , The isosteric heat of adsorption can be calculated by the Clausius–Clapeyron equation, displayed in eq . Where is the isosteric heat of adsorption of the component i and P i is the partial pressure of the component i . Suppose the heat capacity of the adsorbate in the solid and fluid phase are neglected.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Vinyl Chloride Recovery in a Multitubular Adsorber on Maxsorb Carbon

Carmo

Ribeiro

Rodrigues

et al. 2022

Ind. Eng. Chem. Res.

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This work reports the modeling and design of a multitubular temperature pressure swing adsorption cycle to separate and recover the vinyl chloride monomer (VCM) from a gas stream containing nitrogen, using a commercial activated carbon adsorbent. For the first time, experimental adsorption equilibrium data for the VCM was assessed using gravimetric methods on a Maxsorb activated carbon sample. Using an equivalent 1-dimensional mathematical model, a six-step two multitubular adsorber system was developed, to produce a nitrogen stream with a vinyl chloride limit of 8 ppm (w/w) and a vinyl chloride stream with a 95% (v/v) purity. The proposed system reports productivity of 8.41 mol/(kg ads h) or 69 kg VCM /(m 3 unit h), with an energy consumption of 3.05 MJ/kg VCM .

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Vinyl Chloride Recovery in a Multitubular Adsorber on Maxsorb Carbon

Carmo

Ribeiro

Rodrigues

et al. 2022

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

show abstract

“…50.0-85.0% [2]. Other studies have assessed the adsorption and kinetic selectivity of propylene/propane mixtures in: zeolite 13X pellets [23]; zeolite DD3R with different sizes [24]; zeolite 5A with deposited ultrathin microporous TiO 2 coatings to precisely adjust the pore mouth size [25]; ferro-alumino-silicate levyne (FeAl-LEV) zeolites [26]; zeolite membranes, containing ion-exchanged silver cations [27]; Ag(I) doped microporous carbons [28]. However, all the adsorbents used in these separations are adsorption selective to the olefins, which is the majority component.…”

Section: Introductionmentioning

confidence: 99%

Propane selective carbon adsorbents from phenolic resin precursor

Andrade

Parnell

Bernardo

et al. 2021

Microporous and Mesoporous Materials

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“…For these purposes, a wide platform of porous materials are currently under research, which include metal-organic frameworks (MOFs), [2][3][4] covalent-organic frameworks (COFs), [5][6][7] activated carbon, [8][9][10] porous organic polymers, [11][12][13] and inorganic compounds such as zeolites. [14][15][16] These materials have been employed across a range of applications, such as gas storage, [17][18][19][20] , drug delivery, [21][22][23][24] water treatment, 25 CO2 capture, [26][27][28][29] and catalysis. [30][31][32][33] Porous boron oxynitride (BNO) has recently emerged as a prominent member of this material platform.…”

mentioning

confidence: 99%

Gas Adsorption in Amorphous Porous Boron Oxynitride: Grand Canonical Monte Carlo Simulations and Experimental Determination

Shankar¹,

Marchesini²,

Müller³

et al. 2021

Preprint

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Amorphous boron nitride doped with oxygen, boron oxynitride, BNO, is a porous material stable at high pressures and elevated temperatures with potential uses in adsorption-based separation processes at the industrial scale. We present here a molecular model capable of accurately predicting gas sorption in porous BNO solely from the knowledge of the basic experimental characteristics, i.e. overall chemical composition and porosity. With this information, the adsorbent is described atomistically by a complex 3-D pore network built by random packing of nanoflakes. The adsorption may then be evaluated by employing Grand Canonical Monte Carlo with classical forcefields. We report sorption isotherms for CO2, N2 and CH4 on BNO at low (< 1 bar) and high (0 – 20 bar) pressures, across a range of temperatures (283 – 313 K), which are well predicted by the molecular model. While the experimental measurement of multi-component isotherms under such conditions is a challenging task, molecular simulations provide predictions without the need of additional information. As an example, CO2/N2 and CO2/CH4 binary mixture isotherms, at conditions relevant to post combustion CO2 capture and natural gas sweetening, are computed. Overall, the model provides fundamental insight, which is useful in the design and optimization of porous BNObased adsorbents for molecular separations.

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Adsorption equilibria and kinetics of propane and propylene on zeolite 13X pellets

Cited by 30 publications

References 39 publications

Vinyl Chloride Recovery in a Multitubular Adsorber on Maxsorb Carbon

Vinyl Chloride Recovery in a Multitubular Adsorber on Maxsorb Carbon

Propane selective carbon adsorbents from phenolic resin precursor

Gas Adsorption in Amorphous Porous Boron Oxynitride: Grand Canonical Monte Carlo Simulations and Experimental Determination

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