Affiliation
a Astrakhan State University
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Abstract
The new modified sorbent (CB-1-K) on the basis of the gaizes of the Astrakhan region representing a unique absorber, capable, without doing harm to human health, to delete sour gases, heavy metals, various organic and inorganic compounds from air and water, is received. The main physical and chemical, and adsorption structural characteristics the obtained sorbent are investigated, such as: sorbent porosity to acetone, total pore to volume water, moisture content, water suspension pH, bulk density, abrasion, as well as the specific surface, through the study of the isopropanol adsorption from the solutions of different concentrations. Adsorption of riboflavinum (vitamin B
2) on active coal, the gaizes of the Astrakhan region and the modified sorbent of CB-1-K is studied. Comparative studying of a component sorption on sorbents considered is carried out. Isotherms of static sorption of riboflavinum from water solutions are studied, change of an enthalpy (∆H), isobaric and isothermal potential (∆G) and entropy (∆S) of sorption are calculated. The kinetics of riboflavinum sorption from water solutions is considered.
Keywords
Sorbent,
sorption,
sorbent's adsorptive and structural,
physical and chemical characteristics,
specific surface,
vitamin,
riboflavinum
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