Ecogeochemical studies of the postindustrial sites of Minsk

Q4 Chemistry
T. Kukharchyk, S. Kakareka, M. Kazyrenka, V. D. Chernyuk, A. V. Krylovich
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引用次数: 1

Abstract

In the article the results of studying the sites of industrial enterprises, which have stopped their activities fully or partially in Minsk, are discussed. It is shown that in most cases the re-development of industrial sites with a change of their functional purpose is carried out after 10 years or more. Based on the results of preliminary investigation of a number of the former industrial sites, it was established that such sites continue to be sources of pollutants after the completion of enterprises activity. The enrichment of technogenic substrates carried out from industrial sites by surface runoff (sediments near storm collectors and in topographic lows) with heavy metals is shown. The average content of cadmium in sediments is 2,6 (maximum – 3,9), lead – 3,1 (14), copper – 2,5 (2,2), zinc – 1,7 (2,8), nickel – 3,3 (8,0), chromium – 3,4 (6,6) times higher than in soils. The established standards for lead were exceeded in 63 % of cases, for cadmium – in 77 %, for zinc and copper – in 100 % of cases. The maximum permissible concentration was exceeded 5 times for at least one indicator in almost half of the samples (44 %). The dependence of heavy metals accumulation on the specialization of previously carried out industrial activities is shown. The need for improvement of scientific and methodological approaches to studying of contaminated and potentially contaminated post-industrial areas in connection with their planned re-profiling for urban planning purposes is discussed.
明斯克后工业地区的生态地球化学研究
本文讨论了对明斯克全部或部分停止生产的工业企业厂址的调查结果。研究表明,在大多数情况下,工业用地的重新发展与功能目的的改变是在10年或更长时间后进行的。根据对一些以前的工业场址的初步调查结果,可以确定,这些场址在企业活动结束后仍然是污染物的来源。图中显示了工业场所的地表径流(风暴集热器附近和地形低洼处的沉积物)对技术基质的重金属富集。沉积物中镉的平均含量为2,6(最大值为3,9)、铅- 3,1(最大值为14)、铜- 2,5(最大值为2,2)、锌- 1,7(最大值为2,8)、镍- 3,3(最大值为8,0)、铬- 3,4(最大值为6,6)倍。铅超标的案例占63%,镉超标的案例占77%,锌和铜超标的案例占100%。在近一半(44%)的样品中,至少有一种指示剂的最大允许浓度超过5倍。显示了重金属积累对以前进行的工业活动的专业化的依赖。讨论了需要改进科学和方法方法来研究受污染和可能受污染的后工业地区,以便为城市规划目的对这些地区进行规划的重新概况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
0.30
自引率
0.00%
发文量
38
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