Isotherms and thermodynamics for the adsorption of n-butane on pitch based activated carbon

Bidyut Baran Saha; Anutosh Chakraborty; Shigeru Koyama; Seong Ho Yoon; Isao Mochida; M. Kumja; Christopher Yap; Kim Choon Ng

doi:10.1016/j.ijheatmasstransfer.2007.07.031

Isotherms and thermodynamics for the adsorption of n-butane on pitch based activated carbon

Bidyut Baran Saha^*, Anutosh Chakraborty, Shigeru Koyama, Seong Ho Yoon, Isao Mochida, M. Kumja, Christopher Yap, Kim Choon Ng

^*Corresponding author for this work

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

79 Scopus citations

Abstract

The adsorption isotherms of n-butane on pitch based activated carbon (type Maxsorb III) at temperatures ranging from 298 to 328 K and at different equilibrium pressures between 20 and 300 kPa have been experimentally measured by a volumetric technique. The porous properties such as, the density, Brunauer-Emmett-Teller (BET) surface area, pore size, pore volume along with pore size distribution (PSD) of Maxsorb III have been determined. The Dubinin-Astakhov (DA) adsorption isotherm model describes all of the isotherm experimental data within the acceptable error ranges. The present isotherm data are compared with other published data of activated carbon (AC)/n-butane and showed the superiority of the present findings in terms of uptake capacity. The isosteric heat of adsorption (ΔH_ads) of n-butane on Maxsorb III is calculated for different loading. Using the adsorption isotherms and ΔH_ads, the thermodynamic property maps as a function of pressure, temperature and adsorbate amount are also presented.

Original language	English (US)
Pages (from-to)	1582-1589
Number of pages	8
Journal	International Journal of Heat and Mass Transfer
Volume	51
Issue number	7-8
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2007.07.031
State	Published - Apr 2008
Externally published	Yes

Keywords

Activated carbon
Adsorption
Heat of adsorption
Thermodynamic property fields
n-Butane

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering
Fluid Flow and Transfer Processes

Access to Document

10.1016/j.ijheatmasstransfer.2007.07.031

Cite this

@article{bcb3cf0025674ba3a8775957971d56fb,

title = "Isotherms and thermodynamics for the adsorption of n-butane on pitch based activated carbon",

abstract = "The adsorption isotherms of n-butane on pitch based activated carbon (type Maxsorb III) at temperatures ranging from 298 to 328 K and at different equilibrium pressures between 20 and 300 kPa have been experimentally measured by a volumetric technique. The porous properties such as, the density, Brunauer-Emmett-Teller (BET) surface area, pore size, pore volume along with pore size distribution (PSD) of Maxsorb III have been determined. The Dubinin-Astakhov (DA) adsorption isotherm model describes all of the isotherm experimental data within the acceptable error ranges. The present isotherm data are compared with other published data of activated carbon (AC)/n-butane and showed the superiority of the present findings in terms of uptake capacity. The isosteric heat of adsorption (ΔHads) of n-butane on Maxsorb III is calculated for different loading. Using the adsorption isotherms and ΔHads, the thermodynamic property maps as a function of pressure, temperature and adsorbate amount are also presented.",

keywords = "Activated carbon, Adsorption, Heat of adsorption, Thermodynamic property fields, n-Butane",

author = "Saha, {Bidyut Baran} and Anutosh Chakraborty and Shigeru Koyama and Yoon, {Seong Ho} and Isao Mochida and M. Kumja and Christopher Yap and Ng, {Kim Choon}",

year = "2008",

month = apr,

doi = "10.1016/j.ijheatmasstransfer.2007.07.031",

language = "English (US)",

volume = "51",

pages = "1582--1589",

journal = "International Journal of Heat and Mass Transfer",

issn = "0017-9310",

publisher = "Elsevier",

number = "7-8",

}

TY - JOUR

T1 - Isotherms and thermodynamics for the adsorption of n-butane on pitch based activated carbon

AU - Saha, Bidyut Baran

AU - Chakraborty, Anutosh

AU - Koyama, Shigeru

AU - Yoon, Seong Ho

AU - Mochida, Isao

AU - Kumja, M.

AU - Yap, Christopher

AU - Ng, Kim Choon

PY - 2008/4

Y1 - 2008/4

N2 - The adsorption isotherms of n-butane on pitch based activated carbon (type Maxsorb III) at temperatures ranging from 298 to 328 K and at different equilibrium pressures between 20 and 300 kPa have been experimentally measured by a volumetric technique. The porous properties such as, the density, Brunauer-Emmett-Teller (BET) surface area, pore size, pore volume along with pore size distribution (PSD) of Maxsorb III have been determined. The Dubinin-Astakhov (DA) adsorption isotherm model describes all of the isotherm experimental data within the acceptable error ranges. The present isotherm data are compared with other published data of activated carbon (AC)/n-butane and showed the superiority of the present findings in terms of uptake capacity. The isosteric heat of adsorption (ΔHads) of n-butane on Maxsorb III is calculated for different loading. Using the adsorption isotherms and ΔHads, the thermodynamic property maps as a function of pressure, temperature and adsorbate amount are also presented.

AB - The adsorption isotherms of n-butane on pitch based activated carbon (type Maxsorb III) at temperatures ranging from 298 to 328 K and at different equilibrium pressures between 20 and 300 kPa have been experimentally measured by a volumetric technique. The porous properties such as, the density, Brunauer-Emmett-Teller (BET) surface area, pore size, pore volume along with pore size distribution (PSD) of Maxsorb III have been determined. The Dubinin-Astakhov (DA) adsorption isotherm model describes all of the isotherm experimental data within the acceptable error ranges. The present isotherm data are compared with other published data of activated carbon (AC)/n-butane and showed the superiority of the present findings in terms of uptake capacity. The isosteric heat of adsorption (ΔHads) of n-butane on Maxsorb III is calculated for different loading. Using the adsorption isotherms and ΔHads, the thermodynamic property maps as a function of pressure, temperature and adsorbate amount are also presented.

KW - Activated carbon

KW - Adsorption

KW - Heat of adsorption

KW - Thermodynamic property fields

KW - n-Butane

UR - http://www.scopus.com/inward/record.url?scp=39749099846&partnerID=8YFLogxK

U2 - 10.1016/j.ijheatmasstransfer.2007.07.031

DO - 10.1016/j.ijheatmasstransfer.2007.07.031

M3 - Article

AN - SCOPUS:39749099846

SN - 0017-9310

VL - 51

SP - 1582

EP - 1589

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

IS - 7-8

ER -

Isotherms and thermodynamics for the adsorption of n-butane on pitch based activated carbon

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this