Regulation of sorption processes in natural nanoporous aluminosilicates. 2. Determination of the ratio between active sites

被引：3

作者：

Bel'chinskaya, L. I. ^{[1
]}

Khodosova, N. A. ^{[2
]}

Novikova, L. A. ^{[1
]}

Strel'nikova, O. Yu. ^{[2
]}

Roessner, F. ^{[3
]}

Petukhova, G. A. ^{[4
]}

Zhabin, A. V. ^{[5
]}

机构：

[1] Morozov Voronezh State Univ Forestry & Technol, Ul Timiryazeva 8, Voronezh 394613, Russia

[2] Zhukovsky & Gagarin Air Force Acad, Voronezh 394064, Russia

[3] Carl von Ossietzky Univ Oldenburg, D-26111 Oldenburg, Germany

[4] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia

[5] Voronezh State Univ, Voronezh 394006, Russia

来源：

PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2016年 / 52卷 / 04期

关键词：

SURFACE; ADSORPTION; ACIDITY; CONVERSION; MECHANISM; ZEOLITE;

D O I：

10.1134/S2070205116040055

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The ratio of acidic and basic sites on natural aluminosilicates (clinoptilolite, nontronite, and glauconite) and their acidic and basic forms were determined based on the catalytic activity of the samples in the reaction of methylbutynol (MBOH) conversion. Conversion of MBOH took place most fully on the natural zeolite (clinoptilolite). The reagent modification of clinoptilolite(treatment with sulfuric acid and alkali) reduced the ratio of acidic and basic sites. Conversion of MBOH on clay minerals increased in the acid-modified samples and decreased upon the alkali treatment, which corresponds to the change in the ratio of acidic and basic sites in both nontronite and glauconite, but to a greater extent in spherulite-like clay mineral glauconite.

引用

页码：599 / 606

页数：8

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