Investigation of thermal decomposition process of finely divided carbonate raw materials and some properties of the roasting product

Authors

  • Инна Вячеславовна Питак National Technical University «Kharkiv Polytechnic Institute», Str. Frunze 21, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0003-4935-8225
  • Валерий Павлович Шапорев National Technical University «Kharkiv Polytechnic Institute», Str. Frunze 21, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0003-1652-4688
  • Михаил Ильич Васильев National Technical University «Kharkiv Polytechnic Institute», Str. Frunze 21, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0003-4635-9257

DOI:

https://doi.org/10.15587/2312-8372.2015.51776

Keywords:

roasting, carbonate raw materials, particle size distribution, thermal dissociation

Abstract

The problems of the roasting of finely divided carbonate raw material are considered in the article. The aim of the research is to determine the physical and chemical laws, by which we can manage the process and roasting product quality. Some results of a comprehensive study of the physical and chemical properties of several kinds of finely divided carbonate raw materials and the laws of its thermal dissociation are given, physical and chemical properties of the dissociation products are defined. They are allowed to establish in each case the kinetic and technological parameters of thermal dissociation process of raw materials, at which the maximum conversion rate of CaCO3 into CaO is observed, whereby the product has the highest activity. The practical application of the principle of the results will reduce investment in the creation of the unit, improve the furnace performance for the final product. This process organization on the basis of the research results provides the optimal regimes of carbonate waste preparation and their firing to obtain highly active lime and production effectiveness.

Author Biographies

Инна Вячеславовна Питак, National Technical University «Kharkiv Polytechnic Institute», Str. Frunze 21, Kharkiv, Ukraine, 61002

Candidate of Technical Sciences, Associate Professor

Department of chemical engineering and industrial environment

Валерий Павлович Шапорев, National Technical University «Kharkiv Polytechnic Institute», Str. Frunze 21, Kharkiv, Ukraine, 61002

Doctor of Technical Sciences, Professor

Department of chemical engineering and industrial environment

Михаил Ильич Васильев, National Technical University «Kharkiv Polytechnic Institute», Str. Frunze 21, Kharkiv, Ukraine, 61002

Candidate of Technical Science, Associate Professor

Department of chemical engineering and industrial ecology

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Published

2015-09-22

How to Cite

Питак, И. В., Шапорев, В. П., & Васильев, М. И. (2015). Investigation of thermal decomposition process of finely divided carbonate raw materials and some properties of the roasting product. Technology Audit and Production Reserves, 5(4(25), 49–56. https://doi.org/10.15587/2312-8372.2015.51776

Issue

Vol. 5 No. 4(25) (2015): Technologies of food, light and chemical industry

Section

Technologies of food, light and chemical industry

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Copyright (c) 2016 Инна Вячеславовна Питак, Валерий Павлович Шапорев, Михаил Ильич Васильев

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