Analysis of the Chemical Composition of Ash and Slag Waste from Solid Fuel Combustion for Sale as Raw Materials

Gulim Bergenzhanova, Markhabat Sakitzhanov, Карлыгаш Олжабаева, Айнур Расмухаметова, Ляззат Султанова

2023

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DOI 10.15866/ireme.v17i2.23166
Data confidence 70 medium
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Abstract

The Republic of Kazakhstan is taking active measures for the sustainable development of its economy. The key place in improving the sustainable model of economic development is occupied by the issues of energy efficiency and increasing energy conservation. The policy of efficient use of energy resources should lead to curbing the growth of their consumption and significantly reducing the level of environmental impact. Activities in this area will contribute to the modernization of industry, electric power, housing and utilities and transport sectors, stimulating the use of new technologies and innovations. The main type of fuel and energy resources of Kazakhstan is coal, which is supplied mainly from Ekibastuz, Karaganda and Kuznetsk deposits. The burning of organic fuel to produce electrical energy and/or heat is one of the foundations of the functioning of modern society and economy. On the other hand, fuel-burning plants consume many organic fuels of various types and other natural resources, converting them into useful energy. The functioning of these enterprises leads to the formation of a variety of waste and the entry of many pollutants into all natural environments. The main technogenic wastes of thermal power plants are ash and slag waste and flue gases. For the sale of fly ash and slag as raw materials and materials, for the safe storage and use of ash and slag waste in the national economy, in various industries, it is necessary to have basic information on their properties and characteristics: chemical composition, physical properties, mineralogical composition, physico-chemical properties, environmental characteristics, including such as radioactivity and toxicity. The use of ash and slag waste from thermal power plants brings the technology of thermal power plants to waste-free by 80%. This article presents the results of determining the chemical composition of ash and slag waste from thermal power plants in Almaty, the Republic of Kazakhstan for sale as raw materials. Examples of their use are also given.