Ecological Evaluation of Artificial Soils Treated with Phosphogypsum

Yakovlev, S.A.; Kaniskin, M.A.; Terekhova, V.A.

Авторы: Yakovlev S.A., Kaniskin M.A., Terekhova V.A.
Журнал: Eurasian Soil Science
Том: 46
Номер: 6
Год издания: 2013
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 697
Последняя страница: 703
Оригинальные версии: Экологическая оценка почвогрунтов, подверженных воздействию фосфогипса
DOI: 10.1134/S1064229313060124
Аннотация: Abstract—An attempt to set up ecologically acceptable concentrations of toxic components contained in phosphogypsum was made for soils of different land uses. For this purpose, an experimental ecological evaluation of a standard soil mixture (model artificial soil ISO 112681) treated with phosphogypsum was performed. Both positive and negative effects of the phosphogypsum components were found. Thus, a significant increase in the biomass of lawn grasses was observed in the model soil with the phosphogypsum content of less than 3.3%. In the soil containing more than 6.8% phosphogypsum, the concentrations of Sr and F exceeded the maximum permissible values and adversely affected the living organisms. According to the basic ecological norms, the allowable content of phosphogypsum should be ≤2.0% for the soils of specially protected natural areas; ≤6.8% for agricultural and urban soils; and ≤9.6% for the soils of forest, water manage ment, and transport lands. Keywords: soil mixture, biomass, fluoride, strontium
Добавил в систему: Терехова Вера Александровна

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