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首页> 外文会议>8th ethylene producers' conference >A Survey of Trace Contaminants in Natural Gas Liquids
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A Survey of Trace Contaminants in Natural Gas Liquids

机译：天然气液体中痕量污染物的调查

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A survey of selected contaminants in natural gas liquids (NGL's) has been completed for the purpose of determining whether more stringent NGL specifications should be considered by the industry. The survey involved the analysis of over 45 samples from 8 independent processors. the trace contaminants that were analyzed include olefins, oxygenated compounds, fluoride, mercury, and arsenic. Not surprisingly, the highest levels of olefins were found in the corresponding hydrocarbon streams, (i.e., propylene in the propane streams). The highest levels of oxygenated compounds were found in the propane and raw make streams. The highest fluoride levels were found in the gasoline samples. And finally, for the most part, the mercury and arsenic levels were too close to the detection limits for these samples (approx 10 ppb for mercury and approx 50 ppb for arsenic) to be able to accurately determine if these contaminants were present in any of the samples. A more exhaustive study would be needed to analyze for these components below these levels.
机译：为了确定行业是否应考虑更严格的NGL规格，已经完成了对天然气液体（NGL）中选定污染物的调查。该调查涉及对来自8个独立处理器的45多个样本的分析。分析的痕量污染物包括烯烃，氧化化合物，氟化物，汞和砷。毫不奇怪，在相应的烃物流中发现了最高含量的烯烃（即丙烷物流中的丙烯）。丙烷和原料气中的氧化化合物含量最高。在汽油样品中发现氟化物含量最高。最后，在大多数情况下，汞和砷的水平太接近于这些样品的检测极限（汞约10 ppb，砷约50 ppb），因此无法准确确定这些污染物是否存在于任何一种污染物中。样本。需要进行更详尽的研究以分析低于这些水平的这些成分。

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