New π-complexation adsorbents for propane-propylene separation

Carlos A. Grande; José D.P. Araujo; Simone Cavenati; Norberto Firpo; Elena Basaldella; Alírio E. Rodrigues

doi:10.1021/la036400s

New π-complexation adsorbents for propane-propylene separation

Carlos A. Grande, José D.P. Araujo, Simone Cavenati, Norberto Firpo, Elena Basaldella, Alírio E. Rodrigues

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

New adsorbents were prepared and tested for the separation of propane-propylene mixtures by adsorption. The ordered mesoporous material SBA-15 was used as the starting material for silver-ion deposition for π-complexation with propylene. Two different loadings of silver were evaluated. Adsorption equilibrium and kinetic measurements of propane and propylene in the matrix (pure SBA-15) and the silver-modified adsorbents were performed at 323, 343, and 373 K. In this temperature range, the selectivity of propylene in one of the materials (Ag/SBA-15 = 0.5) is in the range 13-22 because the amount of propane adsorbed is very small, 0.095 mmol/g of propane versus 1.12 mmol/g of propylene at 100 kPa and 343 K. The diffusivity of both hydrocarbons is not seriously affected by the introduction of silver into the mesoporous structure.

Original language	English (US)
Pages (from-to)	5291-5297
Number of pages	7
Journal	Langmuir
Volume	20
Issue number	13
DOIs	https://doi.org/10.1021/la036400s
State	Published - Jun 22 2004
Externally published	Yes

ASJC Scopus subject areas

Spectroscopy
General Materials Science
Surfaces and Interfaces
Electrochemistry
Condensed Matter Physics

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10.1021/la036400s

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title = "New π-complexation adsorbents for propane-propylene separation",

abstract = "New adsorbents were prepared and tested for the separation of propane-propylene mixtures by adsorption. The ordered mesoporous material SBA-15 was used as the starting material for silver-ion deposition for π-complexation with propylene. Two different loadings of silver were evaluated. Adsorption equilibrium and kinetic measurements of propane and propylene in the matrix (pure SBA-15) and the silver-modified adsorbents were performed at 323, 343, and 373 K. In this temperature range, the selectivity of propylene in one of the materials (Ag/SBA-15 = 0.5) is in the range 13-22 because the amount of propane adsorbed is very small, 0.095 mmol/g of propane versus 1.12 mmol/g of propylene at 100 kPa and 343 K. The diffusivity of both hydrocarbons is not seriously affected by the introduction of silver into the mesoporous structure.",

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T1 - New π-complexation adsorbents for propane-propylene separation

AU - Grande, Carlos A.

AU - Araujo, José D.P.

AU - Cavenati, Simone

AU - Firpo, Norberto

AU - Basaldella, Elena

AU - Rodrigues, Alírio E.

N1 - Generated from Scopus record by KAUST IRTS on 2022-09-13

PY - 2004/6/22

Y1 - 2004/6/22

N2 - New adsorbents were prepared and tested for the separation of propane-propylene mixtures by adsorption. The ordered mesoporous material SBA-15 was used as the starting material for silver-ion deposition for π-complexation with propylene. Two different loadings of silver were evaluated. Adsorption equilibrium and kinetic measurements of propane and propylene in the matrix (pure SBA-15) and the silver-modified adsorbents were performed at 323, 343, and 373 K. In this temperature range, the selectivity of propylene in one of the materials (Ag/SBA-15 = 0.5) is in the range 13-22 because the amount of propane adsorbed is very small, 0.095 mmol/g of propane versus 1.12 mmol/g of propylene at 100 kPa and 343 K. The diffusivity of both hydrocarbons is not seriously affected by the introduction of silver into the mesoporous structure.

AB - New adsorbents were prepared and tested for the separation of propane-propylene mixtures by adsorption. The ordered mesoporous material SBA-15 was used as the starting material for silver-ion deposition for π-complexation with propylene. Two different loadings of silver were evaluated. Adsorption equilibrium and kinetic measurements of propane and propylene in the matrix (pure SBA-15) and the silver-modified adsorbents were performed at 323, 343, and 373 K. In this temperature range, the selectivity of propylene in one of the materials (Ag/SBA-15 = 0.5) is in the range 13-22 because the amount of propane adsorbed is very small, 0.095 mmol/g of propane versus 1.12 mmol/g of propylene at 100 kPa and 343 K. The diffusivity of both hydrocarbons is not seriously affected by the introduction of silver into the mesoporous structure.

UR - https://pubs.acs.org/doi/10.1021/la036400s

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DO - 10.1021/la036400s

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SP - 5291

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JO - Langmuir

JF - Langmuir

IS - 13

ER -

New π-complexation adsorbents for propane-propylene separation

Abstract

ASJC Scopus subject areas

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