Assessment of ultramicroporosity on carbon molecular sieves by water adsorption

被引：11

作者：

Alcañiz-Monge, J ^{[1
]}

Lozano-Castelló, D ^{[1
]}

机构：

[1] Univ Alicante, Dept Quim Inorgan, E-03080 Alicante, Spain

来源：

ADSORPTION SCIENCE & TECHNOLOGY | 2003年 / 21卷 / 09期

关键词：

D O I：

10.1260/02636170360744092

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This work is focused on the application of water adsorption to the characterisation of the narrow microporosity (ultramicroporosity) in carbon molecular sieves (CMS). In addition, the mechanism of water adsorption in carbonaceous solids was analysed. Despite the presence of surface groups in these materials, they exhibited low adsorption at low relative pressures (P/P-0 < 0.2), indicating the significant role of micropore size in the commencement of water adsorption. Interestingly, it was observed that water adsorbed on samples that did not exhibit CO2 adsorption.

引用

页码：841 / 848

页数：8

共 26 条

[1] Mechanism of adsorption of water in carbon micropores as revealed by a study of activated carbon fibers [J].

Alcañiz-Monge, J ;

Linares-Solano, A ;

Rand, B .

JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (12) :3209-3216

[2] Water adsorption on activated carbons:: Study of water adsorption in micro- and mesopores [J].

Alcañiz-Monge, J ;

Linares-Solano, A ;

Rand, B .

JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (33) :7998-8006

[3] WATER AND CYCLOHEXANE VAPOR ADSORPTION ON OXIDIZED POROUS CARBON [J].

BARTON, SS ;

EVANS, MJB ;

HOLLAND, J ;

KORESH, JE .

CARBON, 1984, 22 (03) :265-272

[4] Water in porous carbons [J].

Brennan, JK ;

Bandosz, TJ ;

Thomson, KT ;

Gubbins, KE .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2001, 187 :539-568

[5] EVOLUTION OF MICROPORE STRUCTURE OF ACTIVATED-CHARCOAL CLOTH [J].

CARROTT, PJM ;

FREEMAN, JJ .

CARBON, 1991, 29 (4-5) :499-506

[6] MOLECULAR-SIEVE BEHAVIOR OF ACTIVATED CARBONS [J].

CARROTT, PJM .

CARBON, 1995, 33 (09) :1307-1312

[7]

CARROTT PJM, 1991, CHARACTERISATION POR, V2, P695

[8] CO2 as an adsorptive to characterize carbon molecular sieves and activated carbons [J].

Cazorla-Amoros, D ;

Alcaniz-Monge, J ;

de la Casa-Lillo, MA ;

Linares-Solano, A .

LANGMUIR, 1998, 14 (16) :4589-4596

[9] Characterization of activated carbon fibers by CO2 adsorption [J].

CazorlaAmoros, D ;

AlcanizMonge, J ;

LinaresSolano, A .

LANGMUIR, 1996, 12 (11) :2820-2824

[10] Molecular sieve properties of general-purpose carbon fibres [J].

de la Casa-Lillo, MA ;

Alcaniz-Monge, J ;

Raymundo-Pinero, E ;

Cazorla-Amoros, D ;

Linares-Solano, A .

CARBON, 1998, 36 (09) :1353-1360

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