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含水介质中石油类含量测定的改进技术
郑西来¹,梁春²,张俊杰¹,岳峰³,刘建华²
(1.中国海洋大学环境科学与工程学院，山东青岛266100 ;2.青岛市城市规划设计研究院，4东青岛266071;3.济南市市政工程设计研究院，山东济南250101)

摘要:

通过引人油烘干损失系数A,推导并建立含水介质中石油类含最的新计算公式，并据此对传统测量方法进行改进。结果表明，改进后的测定方法可准确测定石油污染含水介质的干固体质《:和石油含量;A值W石油的种类、含水介质的类塑而异,柴油在粗砂中的烘干损失系数约为0.66，测鼋误差仅约为0.4%，远低于现有方法测量误差，ft不受石油挥发性和舍量的影响。

关键词: 含水介质石油含墩油烘十损失率测定方法

DOI：10.3969/j.issn.1673-5005.2012.02.031

分类号::X 53

基金项目:M家0然科学基金项t3(4W72150)

An improved technique for determination of oil content in water-bearing medium

ZHENG Xi-lai¹, LIANG Chun²,ZHANG Jun-jie¹,YUE Feng³,LIU Jian-hua²

(1. College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China;2. Qingdao Urban Planning & Design Research Institutet Qingdao 266071, China;3. Jinan Municipal Engineering Design and Research Institute f Jinan 250101，China)

Abstract:

A new computational formula was deduced and created to calculate oil content in water-bearing medium through introducing oil dying loss ratio. The results show that this improved fonnula can measure dry medium solid mass and oil content in petroleum-contaminated water-bearing medium accurately. Hie value of oil drying loss ratio varies depending on types of oil and water-bearing media. The oil drying loss ratio in coarse sand contaminated by diesel oil is 0.66. The relative error of the new method is about 0.4%，which is far below the relative error of existing methods. Moreover, the measurement accuracy of the new method is not influenced by oil volatility and oil content.

Key words: water-bearing medium oil content oil drying loss rate meaurement technique