ADSORPTION OF CARBON-DIOXIDE, SULFUR-DIOXIDE AND WATER-VAPOR BY MCM-41, A MODEL MESOPOROUS ADSORBENT

被引：82

作者：

BRANTON, PJ

HALL, PG

TREGUER, M

SING, KSW

机构：

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1995年 / 91卷 / 13期

关键词：

D O I：

10.1039/ft9959102041

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorption isotherms of carbon dioxide, sulfur dioxide and water vapour have been determined on a well characterized sample of MCM-41. The shape of the carbon dioxide isotherm (at 195 K) is similar to that given by mesoporous hydroxylated silica, whereas the water isotherm (at 303 K) is of Type V in the IUPAC classification and its shape is therefore indicative of a more hydrophobic behaviour. Isosteric enthalpies of adsorption, calculated from the sulfur dioxide isotherms (at 254 and 273 K), reveal strong energetic heterogeneity in the adsorbent-adsorbate interactions and it appears that the high-energy sites occupy ca. 30% of the total surface area.

引用

收藏

页码：2041 / 2043

页数：3

相关论文

共 19 条

[1] HIGH-RESOLUTION TRANSMISSION ELECTRON-MICROSCOPY OF MESOPOROUS MCM-41 TYPE MATERIALS [J].

ALFREDSSON, V ;

KEUNG, M ;

MONNIER, A ;

STUCKY, GD ;

UNGER, KK ;

SCHUTH, F .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1994, (08) :921-922

[2] SPECIFICITY IN ADSORPTION OF NITROGEN AND WATER ON HYDROXYLATED AND DEHYDROXYLATED SILICAS [J].

BAKER, FS ;

SING, KSW .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1976, 55 (03) :605-613

[3] A NEW FAMILY OF MESOPOROUS MOLECULAR-SIEVES PREPARED WITH LIQUID-CRYSTAL TEMPLATES [J].

BECK, JS ;

VARTULI, JC ;

ROTH, WJ ;

LEONOWICZ, ME ;

KRESGE, CT ;

SCHMITT, KD ;

CHU, CTW ;

OLSON, DH ;

SHEPPARD, EW ;

MCCULLEN, SB ;

HIGGINS, JB ;

SCHLENKER, JL .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (27) :10834-10843

[4] PHYSISORPTION OF NITROGEN AND OXYGEN BY MCM-41, A MODEL MESOPOROUS ADSORBENT [J].

BRANTON, PJ ;

HALL, PG ;

SING, KSW .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1993, (16) :1257-1258

[5] PHYSISORPTION OF ARGON, NITROGEN AND OXYGEN BY MCM-41, A MODEL MESOPOROUS ADSORBENT [J].

BRANTON, PJ ;

HALL, PG ;

SING, KSW ;

REICHERT, H ;

SCHUTH, F ;

UNGER, KK .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1994, 90 (19) :2965-2967

[6]

BRANTON PJ, 1994, ADSORPTION, V1, P77

[7] SPECIFIC AND NONSPECIFIC INTERACTIONS IN ADSORPTION OF ARGON, NITROGEN, AND WATER VAPOR ON OXIDES [J].

CARRUTHERS, JD ;

PAYNE, DA ;

SING, KSW ;

STRYKER, LJ .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1971, 36 (02) :205-+

[8] EFFECT OF HEAT-TREATMENT OF SILICA-GELS ON CALORIMETRIC HEATS OF ADSORPTION OF SULFUR-DIOXIDE UP TO ONE-TWENTIETH MONOLAYER COVERAGE AT 423 DEGREES K [J].

GLASS, RW ;

ROSS, RA .

CANADIAN JOURNAL OF CHEMISTRY, 1972, 50 (08) :1241-&

[9]

GREGG SJ, 1982, ADSORPTION SURFACE A, P17

[10]

KEUNG MPO, 1993, THESIS BRUNEL U