Reducing Environmental Load on the Region by Using a Rational Method of Acid Fluoride Recycling
Fedorchuk Y.M. Leonova L.A. Sadenova M.A. Duysebaev B.O. Bordunov S.V.
2024STC Industrial Safety CJSC
Bezopasnost Truda v Promyshlennosti
2024#2024Issue 680 - 86 pp.
The article considers the chemical industry technologies contaminating the environment with sulfate-calcium waste in three regions of the former Soviet Union, i.e., the Tomsk region (SHK LLC, Seversk), the Perm territory (Galopolimer JSC, Perm), and East Kazakhstan region (UMZ JSC, Ust-Kamenogorsk). The differences and similarities of technological processes of anhydrous calcium sulfate production in the above-mentioned regions have been considered. Some properties of sulfate calcium (acid fluoride) that until recently was the main environmental contaminator used in the technology of hydrogen fluoride production have been specified. The objective of the study is to provide generalized positive results obtained by the authors of the article in the field of optimization of sulfuric decomposition of fluorspar not changing the production conditions and the quality of the main product — hydrogen fluoride. As a result of the process, the solid waste of hydrogen fluoride production is transformed into a target product, i.e., a technogenic anhydrite binder that can be an alternative to Portland cement and gypsum binders in the construction industry. Therefore, acid fluoride waste is removed from the hydrogen fluoride technology, and the environmental contamination with sulfate-calcium waste is prevented. In addition, a new trend in the construction industry is set, which is the industry production of anhydrite materials and products. The list of pilot-industrial and semi-industrial tests of the production of various anhydrite products has been provided (as an image listing the fields of use of acid fluoride in the industry of construction materials). In conclusion, the amount of environmental damage caused by the acid fluoride waste has been specified. In the Ob basin of the West Siberian region, it was 270 million rubles for 2023.
acid fluoride , environmental contaminators , environmental load , fluorspar , hydrogen fluoride , recycling methods , sulfate calcium , sulfate calcium waste , sulfuric composition
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National Research Tomsk Polytechnic University, Tomsk, Russian Federation
Engineering School of Nuclear Technologies of the National Research Tomsk Polytechnic University, Tomsk, Russian Federation
Center for Advanced Development «Veritas» East Kazakhstan Technical University named after D. Serikbaev, Ust-Kamenogorsk, Kazakhstan
«Universal design technological bureau» LLP, Almaty, Kazakhstan
Innovation Enterprise «Echteh» LLC, Tomsk, Russian Federation
National Research Tomsk Polytechnic University
Engineering School of Nuclear Technologies of the National Research Tomsk Polytechnic University
Center for Advanced Development «Veritas» East Kazakhstan Technical University named after D. Serikbaev
«Universal design technological bureau» LLP
Innovation Enterprise «Echteh» LLC
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