Development of methods based on low-temperature partitioning (LTP) for monitoring cresols and chlorophenols in sewage sludge, soil, and water in column leaching.

IF 1.4 4区农林科学 Q4 ENVIRONMENTAL SCIENCES

Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes Pub Date : 2023-01-01 DOI:10.1080/03601234.2023.2236915

Flávia D Araújo, Gleison L O Silva, Flaviano O Silvério, Gevany P Pinho

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引用次数: 0

Abstract

Cresols and chlorophenols are chemical contaminants that are potentially toxic to humans and can be found in sewage sludge. These chemical contaminants can migrate into the sludge-soil-water system when sludge is used as a conditioner for agricultural soils. Thus, the objective of this study was to develop methodologies based on extraction with low-temperature partitioning (LTP) to determine cresols and chlorophenols in sewage sludge, soil, and water. The analysis was performed by gas chromatography coupled with mass spectrometry (GC-MS). The validated methods were applied to monitor cresols and chlorophenols in a column-leaching study of a sludge-soil-water system. Satisfactory results were achieved for selectivity, limit of quantification (LOQ), linearity, accuracy, and precision. In the column leaching study, only 2,4,6-trichlorophenol was quantified in sludge samples after 20 days of the experiment. None of the studied compounds were quantified in soil and leached water samples, due to the degradation promoted by the microorganisms present in the sewage sludge. Finally, validated methods were suitable for monitoring cresols and chlorophenols in the sludge-soil-water system.

查看原文本刊更多论文

基于低温分配(LTP)监测污水污泥、土壤和柱淋水中甲酚和氯酚的方法的发展。

甲酚和氯酚是对人类有潜在毒性的化学污染物，可以在污水污泥中找到。当污泥被用作农业土壤的调理剂时，这些化学污染物可以迁移到污泥-土壤-水系统中。因此，本研究的目的是开发基于低温分馏(LTP)提取的方法，以测定污水污泥、土壤和水中的甲酚和氯酚。采用气相色谱-质谱联用(GC-MS)分析。将验证的方法应用于污泥-土壤-水系统柱淋研究中甲酚和氯酚的监测。在选择性、定量限、线性、准确度和精密度方面均取得了满意的结果。在柱淋研究中，经过20天的试验，污泥样品中只有2,4,6-三氯酚被量化。由于污水污泥中存在的微生物促进了降解，土壤和浸出水样中的化合物都没有被量化。最后，验证的方法适用于污泥-土壤-水系统中甲酚和氯酚的监测。

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

Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

4.00

自引率

5.00%

发文量

审稿时长

1 months

期刊介绍： 12 issues per year Abstracted/indexed in: Agricola; Analytical Abstracts; ASFA 3: Aquatic Pollution & Environmental Quality; BioSciences Information Service of Biological Abstracts (BIOSIS); CAB Abstracts; CAB AGBiotech News and Information; CAB Irrigation & Drainage Abstracts; CAB Soils & Fertilizers Abstracts; Chemical Abstracts Service Plus; CSA Aluminum Industry Abstracts; CSA ANTE: Abstracts in New Technology and Engineering; CSA ASFA 3 Aquatic Pollution and Environmental Quality; CSA ASSIA: Applied Social Sciences Index & Abstracts; CSA Ecology Abstracts; CSA Entomology Abstracts; CSA Environmental Engineering Abstracts; CSA Health & Safety Science Abstracts; CSA Pollution Abstracts; CSA Toxicology Abstracts; CSA Water Resource Abstracts; EBSCOhost Online Research Databases; Elsevier BIOBASE/Current Awareness in Biological Sciences; Elsevier Engineering Information: EMBASE/Excerpta Medica/ Engineering Index/COMPENDEX PLUS; Environment Abstracts; Environmental Knowledge; Food Science and Technology Abstracts; Geo Abstracts; Geobase; Food Science; Index Medicus/ MEDLINE; INIST-Pascal/ CNRS; NIOSHTIC; ISI BIOSIS Previews; Pesticides; Food Contaminants and Agricultural Wastes: Analytical Abstracts; Pollution Abstracts; PubSCIENCE; Reference Update; Research Alert; Science Citation Index Expanded (SCIE); and Water Resources Abstracts.