Development of technology of industrial wastes treatment products disposal by ferritization in the matrix of alkali-activated cements

Authors

DOI:

https://doi.org/10.15587/2312-8372.2018.152615

Keywords:

industrial waste treatment, ferritization technology, ferritic sediments, alkaline cement, leaching of heavy metal ions

Abstract

The object of research is liquid and solid wastes resulting from the processing of highly concentrated wastewater from industrial enterprises using the ferritization method. It is known that galvanic production creates large volumes of highly toxic waste requiring further processing or safe disposal. One of the most problematic places is the use of traditional reagent methods that do not provide high rates of treated water and chemical stability of a significant amount of solid-phase waste water.

The use of ferritization technology allows eliminating the indicated disadvantages and increasing the efficiency of the industrial wastewater treatment process. In the course of the study, improved ferritization method with electromagnetic activation of the process is used, which can significantly increase its energy efficiency. However, dense and stable ferritization sediments that contain toxic compounds of heavy metals need reliable disposal. But even with proper treatment of wastewater from heavy metal compounds, they contain a large amount of other pollutants, making it impossible to discharge such water into natural water bodies, in particular, because of its increased alkalinity. Environmentally safe use of such substandard products in solid and liquid state as components of building materials is developed. The most effective cementing materials with reliable immobilization of industrial waste compounds are alkaline binders. The performance properties of such modified alkaline cements and concretes based on them are obtained. The leaching of heavy metal ions from the matrix of the material is investigated and their reliable fixation in the structure of alkaline cements is proved. Due to this, immobilization of water treatment products in alkaline cements and concretes based on them does not degrade the performance of their properties and at the same time provides the advantages of such waste disposal.

Compared with similar known technologies, a completely waste-free complex treatment of industrial wastes of electroplating plants of industrial enterprises is developed.

Author Biographies

Gennadii Kochetov, Kyiv National University of Construction and Architecture, 31, Povitroflotskii ave., Kyiv, Ukraine, 03037

Doctor of Technical Sciences, Professor

Department of Chemistry

Dmitry Samchenko, Kyiv National University of Construction and Architecture, 31, Povitroflotskii ave., Kyiv, Ukraine, 03037

PhD, Junior Researcher

Scientific Research Part

Anton Kolodko, Kyiv National University of Construction and Architecture, 31, Povitroflotskii ave., Kyiv, Ukraine, 03037

Postgraduate Student

Department of Chemistry

Oleksandr Kovalchuk, Kyiv National University of Construction and Architecture, 31, Povitroflotskii ave., Kyiv, Ukraine, 03037

PhD, Senior Researcher

Scientific-Research Institute for Binders and Materials named after V. D. Glukhovsky

Anton Pasko, Kyiv National University of Construction and Architecture, 31, Povitroflotskii ave., Kyiv, Ukraine, 03037

PhD

Scientific-Research Institute for Binders and Materials named after V. D. Glukhovsky

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Published

2018-05-31

How to Cite

Kochetov, G., Samchenko, D., Kolodko, A., Kovalchuk, O., & Pasko, A. (2018). Development of technology of industrial wastes treatment products disposal by ferritization in the matrix of alkali-activated cements. Technology Audit and Production Reserves, 6(3(44), 31–35. https://doi.org/10.15587/2312-8372.2018.152615

Issue

Vol. 6 No. 3(44) (2018): Chemical engineering

Section

Ecology and Environmental Technology: Original Research

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Copyright (c) 2018 Gennadii Kochetov, Dmitry Samchenko, Anton Kolodko, Oleksandr Kovalchuk, Anton Pasko

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