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Chemistry for Sustainable Development

2010 year, number 2

Carbon-Mineral Sapropel Sorbent for Comprehensive Waste Water Purification

G. A. Kovalenko, L. N. Adeeva
Dostoevsky Omsk State University
kovalenko_85@list.ru
Keywords: carbon-mineral sapropel sorbent, chemical composition, sorption of organic substances and heavy metals
Pages: 181-188

Abstract

It is demonstrated that carbonization of sapropel at the temperature of 700-800 °C may be used in order to obtain carbon-mineral sorbent for wastewater comprehensive purification either from polar substances or from nonpolar ones. Composition and structure for the material obtained were established using X-ray fluorescence and IR spectroscopy, XRD phase analysis, thermal and chemical analyses, low-temperature nitrogen adsorption, mercury porosimetry. Sorption characteristics of the sorbent were determined with respect to a wide range of substances (iodine, methylene blue, heavy metal ions, oil products, phenol, surfactants).