Adsorption isotherms of CH4 on activated carbon from Indonesian low grade coal

Awaludin Martin; Wai Soong Loh; Kazi Afzalur Rahman; Kyaw Thu; Bambang Surayawan; M. Idrus Alhamid; Nasruddin; Kim Choon Ng

doi:10.1021/je100495w

Adsorption isotherms of CH₄ on activated carbon from Indonesian low grade coal

Awaludin Martin, Wai Soong Loh, Kazi Afzalur Rahman, Kyaw Thu, Bambang Surayawan, M. Idrus Alhamid, Nasruddin, Kim Choon Ng

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

28 Citations (Scopus)

Abstract

This article presents an experimental approach for the determination of the adsorption isotherms of methane on activated carbon that is essential for methane storage purposes. The experiments incorporated a constant-volume- variable-pressure (CVVP) apparatus, and two types of activated carbon have been investigated, namely, activated carbon derived from the low rank coal of the East of Kalimantan, Indonesia, and a Carbotech activated carbon. The isotherm results which cover temperatures from (300 to 318) K and pressures up to 3.5 MPa are analyzed using the Langmuir, Tóth, and Dubinin-Astakhov (D-A) isotherm models. The heat of adsorption for the single component methane-activated carbon system, which is concentration- and temperature-dependent, is determined from the measured isotherm data.

Original language	English
Pages (from-to)	361-367
Number of pages	7
Journal	Journal of Chemical and Engineering Data
Volume	56
Issue number	3
DOIs	https://doi.org/10.1021/je100495w
Publication status	Published - Mar 10 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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10.1021/je100495w

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title = "Adsorption isotherms of CH4 on activated carbon from Indonesian low grade coal",

abstract = "This article presents an experimental approach for the determination of the adsorption isotherms of methane on activated carbon that is essential for methane storage purposes. The experiments incorporated a constant-volume- variable-pressure (CVVP) apparatus, and two types of activated carbon have been investigated, namely, activated carbon derived from the low rank coal of the East of Kalimantan, Indonesia, and a Carbotech activated carbon. The isotherm results which cover temperatures from (300 to 318) K and pressures up to 3.5 MPa are analyzed using the Langmuir, T{\'o}th, and Dubinin-Astakhov (D-A) isotherm models. The heat of adsorption for the single component methane-activated carbon system, which is concentration- and temperature-dependent, is determined from the measured isotherm data.",

author = "Awaludin Martin and Loh, {Wai Soong} and Rahman, {Kazi Afzalur} and Kyaw Thu and Bambang Surayawan and Alhamid, {M. Idrus} and Nasruddin and Ng, {Kim Choon}",

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AU - Martin, Awaludin

AU - Loh, Wai Soong

AU - Rahman, Kazi Afzalur

AU - Thu, Kyaw

AU - Surayawan, Bambang

AU - Alhamid, M. Idrus

AU - Nasruddin,

AU - Ng, Kim Choon

PY - 2011/3/10

Y1 - 2011/3/10

N2 - This article presents an experimental approach for the determination of the adsorption isotherms of methane on activated carbon that is essential for methane storage purposes. The experiments incorporated a constant-volume- variable-pressure (CVVP) apparatus, and two types of activated carbon have been investigated, namely, activated carbon derived from the low rank coal of the East of Kalimantan, Indonesia, and a Carbotech activated carbon. The isotherm results which cover temperatures from (300 to 318) K and pressures up to 3.5 MPa are analyzed using the Langmuir, Tóth, and Dubinin-Astakhov (D-A) isotherm models. The heat of adsorption for the single component methane-activated carbon system, which is concentration- and temperature-dependent, is determined from the measured isotherm data.

AB - This article presents an experimental approach for the determination of the adsorption isotherms of methane on activated carbon that is essential for methane storage purposes. The experiments incorporated a constant-volume- variable-pressure (CVVP) apparatus, and two types of activated carbon have been investigated, namely, activated carbon derived from the low rank coal of the East of Kalimantan, Indonesia, and a Carbotech activated carbon. The isotherm results which cover temperatures from (300 to 318) K and pressures up to 3.5 MPa are analyzed using the Langmuir, Tóth, and Dubinin-Astakhov (D-A) isotherm models. The heat of adsorption for the single component methane-activated carbon system, which is concentration- and temperature-dependent, is determined from the measured isotherm data.

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Adsorption isotherms of CH₄ on activated carbon from Indonesian low grade coal

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