e-journal

Natural gas storage in activated carbon pellets without a binder

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Abstract.
Activated carbon pellets without a binder from cellulose microcrystals as a raw material were investigated. After compression of the raw materials, the thus obtained raw material pellets were slowly carbonized to 1073 K under nitrogen. To activate them, the carbon pellets were heated to 1173 K under carbon dioxide. The activated carbon pellet shape, after heat treatment, was columnar by using the previous employed compression of the raw material. The total surface area, pore volume, and average pore diameter for all the samples were evaluated from the analysis of N adsorption isotherm data. The 2 total surface area and the pore volume were decreased with an increase in compression pressure under the same heat treatment conditions. On the contrary, the bulk idensities of the activated carbon pellets were increased. However, these properties can be easily controlled by changing the sintering temperature and time. The bulk density of sample pellet was 3 0.56 g/cm . It is 2.3 times higher than activated carbon powder, which was made without the compression process. The total 3 3 methane storage capacity at 298 K reached 164 cm in 1 cm volume of activated carbon pellets at 3.5 MPa.

Keywords: A. Activated carbon; B. Activation; C. Adsorption; D. Gas storage

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Ketersediaan

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Informasi Detail

Judul Seri

Carbon

No. Panggil

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Penerbit

New York : Elsevier Science Ltd., 2002

Deskripsi Fisik

Carbon 40 (2002) 87–93

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

40 (2002)

Subjek

KIMIA KARBON

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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