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Title: GLOBAL EXPERIENCE IN THE USE OF SODA WASTE
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GLOBAL EXPERIENCE IN THE USE OF SODA WASTE
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1314-2704
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English
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20
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4.2
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The problem of reducing the negative environmental impact of soda ash production wastes using the ammonia method is relevant for all countries with such production. Therefore, the objective of this work was to summarize and analyze the experience of Russian researchers and foreign scientists in using existing technologies and methods of using soda ash production waste. The secondary use of this waste solves several problems at once. On the one hand, it reduces the negative impact of accumulated waste on the components of the natural environment by reducing the stored volumes, and on the other hand, involving this material in the production cycle allows obtaining additional material and energy resources. For this purpose it is necessary to use the best available technologies.
The production of soda ash results in the formation of liquid sludge, a distillery liquid, which is accumulated in special settling tanks called white seas. These accumulators cover an area of several square kilometers and are located near the soda industry. Therefore, waste disposal is a very important environmental task. At present, the Russian Federation and the world have experience in using these wastes: for reclamation of disturbed lands, as additives for obtaining various construction materials and as a soil base for backfilling the territory. Despite a wide range of applications for soda production wastes, the problem of their utilization remains urgent. Even with the existing volume of soda production, the volumes of distillery liquid are quite high, and implementation of utilization methods requires certain costs. Active recycling of waste at the present stage is constrained by the lack of mass processing technologies, development of which is possible only on the basis of knowledge about composition and properties of waste, its spatial and temporal changes, nature and orientation of processes leading to changes in composition and properties. |
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, ENERGY AND CLEAN TECHNOLOGIES
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 8-11 December, 2020
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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19-26
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8-11 December, 2020
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website
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cdrom
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7652
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soda;industrial waste;waste utilization;world experience;literature review;geoecology;waste disposal
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