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首页> 外文会议>The 23rd International Conference on Solid Waste Technology and Management(ICSW 2008) >Analysis of Acid Tars: Composition, Environmental Implications, and Possible Management Methods
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Analysis of Acid Tars: Composition, Environmental Implications, and Possible Management Methods

机译：酸焦油的分析：组成，环境影响和可能的管理方法

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摘要

Acid tars are historical waste generated during the processing of coal, petroleum, and petrochemicals. They have been dumped in lagoons in several parts of the world although there is little available information on their composition. This work attempts to characterize two samples of acid tars from the petroleum industry using an adaptation of two different methods: the USEPA Test Methods for Evaluating Solid Waste and the procedure for separating heavy oil into saturates, aromatics, resin and asphalthene (SARA separation). Results obtained show that both methods produce useful information on the composition of acid tars; however, SARA separation method gives more compositional information. Compositional results also reveal that the two acid tars are not exactly the same. GC/MS analysis of the aliphatic and aromatic fraction indicates that the studied acid tars contain toxic hydrocarbons including thiophenes, phenol derivatives, and polycyclic aromatic hydrocarbons (PAHs). Metal analysis also reveals the presence of heavy metals including lead and iron. This paper also discusses the environmental implication of acid tars and presents a review of some management methods using the waste management hierarchy.
机译：酸焦油是煤炭，石油和石化产品加工过程中产生的历史废物。尽管很少有关于它们的成分的信息，但它们已被倾倒在世界几个地区的泻湖中。这项工作尝试使用两种不同方法来表征石油工业中的两个酸焦油样品：美国环保局评估固体废物的测试方法以及将重油分离为饱和油，芳烃，树脂和沥青质的程序（SARA分离）。获得的结果表明，两种方法均能提供有关酸焦油组成的有用信息。但是，SARA分离方法可提供更多的成分信息。组成结果还表明，这两个酸焦油并不完全相同。脂肪族和芳香族部分的GC / MS分析表明，所研究的酸焦油包含有毒烃，包括噻吩，苯酚衍生物和多环芳烃（PAH）。金属分析还揭示了重金属的存在，包括铅和铁。本文还讨论了酸焦油对环境的影响，并对使用废物管理体系的一些管理方法进行了综述。

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