利沃夫地区泥炭中重金属富集与迁移的地球化学特征

M. Yakovenko, Y. Khokha, O. Lyubchak
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The aim of the work is to present an extended geochemical characteristic of Lviv’s region peats, to determine peats typical microelement composition and geochemical specialization, to establish regional regularities of distribution and accumulation of elements using methods of mathematical and statistical analysis, and to study the factors controlling the content, distribution and genesis of microelements in the region peatlands.\n\nObject, subject, factual material and research methods. The object of research is peat and its ash from peatlands of the Lviv region. The subject of research is geochemical characteristic of this peat, regional patterns of distribution and accumulation of chemical elements, components and geological and geochemical indicators in peats. 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引用次数: 0

摘要

问题公式化。泥炭地球化学特征、组分组成、宏、微量元素含量的研究与解释,既具有一般性的科学基础特征,又具有实用性。其结果用于各种目的:泥炭的质量评估,确定其在工业上使用的可能性等。本文对利沃夫地区泥炭中元素和微量元素的分布进行了研究。对乌克兰西部泥炭地及其组成的研究是在地质勘探期间进行的,目的是评估该地区生产自己的泥炭肥料或燃料的潜力。篇文章的目的。短句来源研究了利沃夫地区泥炭地的扩展地球化学特征,确定了泥炭地典型微量元素组成和地球化学特征,运用数理统计分析方法建立了泥炭地微量元素分布和富集的区域规律,研究了控制该地区泥炭地微量元素含量、分布和成因的因素。对象、主题、事实材料和研究方法。研究对象是来自利沃夫地区泥炭地的泥炭及其灰烬。研究的主题是该泥炭的地球化学特征,泥炭中化学元素的分布和积聚的区域格局、组分和地质和地球化学指标。采用光谱半定量分析方法,对110个代表性地区248份泥炭灰分进行了21种化学元素含量及其他泥炭地球化学特征(pH、灰分含量等)的分析。通过对泥炭地球化学特征的综合研究,可以识别利沃夫地区泥炭的空间地球化学特征,确定其典型的微量元素组成,建立其分布和积累(变化)的区域规律——微量元素浓度在分布区域上存在显著的不均匀性,Mo、Yt、Sr、Co、Ag、Ba、Be等元素含量指标较高,Mo、Yt、Sr、Co、Ba、Be等元素含量指标较高。铅与岩石圈、土壤和植物的关系。根据相关分析、因子分析和聚类分析结果,可区分出利沃夫地区泥炭的典型地球化学关联:Ti-Ga-Cu-Y-Pb-Sc-V-Yb-Be与地球化学景观的自然成土过程特征相关;Ni-Mo-Zn可能是技术成因,与矿床发育导致土壤中重金属的积累有关。通过对研究中泥炭地球化学特征的空间分布和数理统计处理,以及泥炭的组成和给定变差因子特征等整体和单组分参数的分析,表明它们处于令人满意的状态,可以得出结论:利沃夫地区泥炭不存在重金属(Mo除外)的区域污染,或者这种污染的区域影响完全不显著。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Geochemical features of the accumulation and migration of heavy metals in the peats of the Lviv region
Problem formulation. Study and interpretation of geochemical characteristic, component composition, content of macro- and microelements in peat has both a general scientific fundamental character and an applied one. Its results used for various purposes: quality assessment of peat, determination of the possibility of their use in industry etc. The article is devoted to study of the elements and microelements distribution in the peat of the Lviv region. The study of peatlands in western Ukraine and their component composition carried out only during geological exploration aimed at assessing the regions potential to produce own peat fertilizers or fuel. Article purpose. The aim of the work is to present an extended geochemical characteristic of Lviv’s region peats, to determine peats typical microelement composition and geochemical specialization, to establish regional regularities of distribution and accumulation of elements using methods of mathematical and statistical analysis, and to study the factors controlling the content, distribution and genesis of microelements in the region peatlands. Object, subject, factual material and research methods. The object of research is peat and its ash from peatlands of the Lviv region. The subject of research is geochemical characteristic of this peat, regional patterns of distribution and accumulation of chemical elements, components and geological and geochemical indicators in peats. The ashes of 248 peat samples taken in 110 representative areas were analyzed by spectral semi-quantitative analysis for the content of 21 chemical elements and other geochemical characteristics of peat (pH, ash content, etc.). Discussion. An integrated approach to the study of the geochemical characteristics of peat made it possible to identify the spatial geochemical features of peats in the territory of the Lviv region, to determine their typical microelements composition, to establish regional regularities of their distribution and accumulation (changes) - significant unevenness of the concentration of microelements by area of distribution, high indicators of the content of Mo, Yt, Sr, Co, Ag, Ba, Be, Pb in relation to the clarks of the lithosphere, soils, and plants. According to the results of correlation, factor and cluster analyzes, the following typomorphic geochemical associations of peats of the Lviv region can be distinguished: Ti-Ga-Cu-Y-Pb-Sc-V-Yb-Be is associated with the features of natural soil-forming processes of geochemical landscapes; Ni-Mo-Zn is possibly of technogenic origin and is associated with the accumulation of heavy metals in soils due to the development of mineral deposits. Conclusion. The analysis of the spatial distribution, mathematical and statistical processing of the geochemical characteristics and the composition and given varimax factor features and other integral and single-component parameters of peats described in the study indicates their satisfactory condition and can be to conclude that there is no regional pollution of peats in the Lviv region with heavy metals (except for Mo) or that the regional impact of such pollution is completely insignificant.
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