Издательство СО РАН

Издательство СО РАН

Адрес Издательства СО РАН: Россия, 630090, а/я 187
Новосибирск, Морской пр., 2




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Поиск по журналу

Химия в интересах устойчивого развития

2003 год, номер 1

Microspheres of Fly Ash as a Source for Catalytic Supports, Adsorbents and Catalysts

S. N.В Vereshchagin1, N. N.В Anshits1, A. N.В Salanov2, O. M.В Sharonova1, T. A.В Vereshchagina1 and A. G.В Anshits1
1Institute of Chemistry and Chemical Technology,
Siberian Branch of the Russian Academy of Sciences,
Ul. K. Marxa 42, Krasnoyarsk 660049 (Russia), E-mail: snv@icct.ru
2G. K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences,
Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
Страницы: 303-308


The present paper reviews the processes of separation of microspheres from fly ash and their possible applications for the creation of catalytic supports, adsorbents and catalysts. To isolate magnetic microspheres and cenospheres of stabilized composition, the process flowsheets of concentrate separation, based on the combination of hydro- or aerodynamic and granulometric classification, followed by the separation in magnetic field of different intensity, were developed. Novel materials based on cenospheres of stabilized composition, such as mesoporous microspherical glasses (specific surface area Ssp = 3–50 m2/g), the supported iron oxide systems (Ssp = 50–200 m2/g), and zeolites are described. Spherical zeolites demonstrated good ion exchange properties of in cesium and strontium removal from the technological solutions. The catalytic properties of Fe2O3/cenosphere catalysts and magnetic microspheres in deep oxidation of methane are discussed.