Concentrations of Persistent Organochlorine Pollutants in Peatlands of the Arkhangelsk Oblast

IF 0.8 4区工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY

Solid Fuel Chemistry Pub Date : 2024-08-07 DOI:10.3103/S0361521924700137

I. N. Zubov, S. B. Selyanina, A. V. Velyamidova, E. S. Kolpakova, A. S. Orlov

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Abstract

A study was conducted to assess the concentrations of persistent organochlorine pollutants (POPs) in high-moor peats of the Primorsky and Mezensky districts of the Arkhangelsk oblast. Peat deposits located in the zone of potential influence of pollutants and outside it were analyzed. Based on the results of chromatographic determination, data on the concentrations of some organochlorine compounds in the studied peats, in particular, persistent toxic hexachlorobenzene (HCB), pentachlorophenol (PCP), pentachloroanisole (PCA), and chlorinated phenols and their derivatives, were obtained. Target POPs were detected in all analyzed peat samples with noticeable variability in their concentrations across the study areas HCB (0.4–3.2 ng/g), PCP (0.2–1.8 ng/g), and PCA (up to 0.4 ng/g). The CP content of the studied peats varied over a wider range from 1.2 to 571 ng/g. The identified quantities of POPs (HCB, CP, and PCA) were most likely due to the entry of pollutants by atmospheric transport from various sources in the territories of nearby regions and neighboring states. The influence of local pollution sources associated with thermal processes should also be taken into account.

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阿尔汉格尔斯克州泥炭地中的持久性有机氯污染物浓度

摘要为评估阿尔汉格尔斯克州 Primorsky 和 Mezensky 地区高沼泥炭中持久性有机氯污染物 (POP) 的浓度，进行了一项研究。对位于污染物潜在影响区内和区外的泥炭沉积物进行了分析。根据色谱测定结果，获得了所研究泥炭中某些有机氯化合物的浓度数据，特别是持久性有毒物质六氯苯（HCB）、五氯苯酚（PCP）、五氯苯甲醚（PCA）和氯化酚及其衍生物。在所有分析的泥炭样本中都检测到了目标持久性有机污染物，但各研究区域的浓度存在明显差异：六氯苯（0.4-3.2 纳克/克）、五氯苯酚（0.2-1.8 纳克/克）和五氯苯甲醚（高达 0.4 纳克/克）。所研究泥炭中的氯化石蜡含量变化范围较大，从 1.2 到 571 纳克/克不等。已确定的持久性有机污染物（六氯苯、氯化石蜡和五氯苯甲醚）的数量很可能是由于污染物通过大气迁移从附近地区和邻近州境内的各种来源进入造成的。此外，还应考虑到与热过程有关的当地污染源的影响：

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来源期刊

Solid Fuel Chemistry CHEMISTRY, MULTIDISCIPLINARY-ENERGY & FUELS

CiteScore

1.10

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal publishes theoretical and applied articles on the chemistry and physics of solid fuels and carbonaceous materials. It addresses the composition, structure, and properties of solid fuels. The aim of the published articles is to demonstrate how novel discoveries, developments, and theories may be used in improved analysis and design of new types of fuels, chemicals, and by-products. The journal is particularly concerned with technological aspects of various chemical conversion processes and includes papers related to geochemistry, petrology and systematization of fossil fuels, their beneficiation and preparation for processing, the processes themselves, and the ultimate recovery of the liquid or gaseous end products.