Study on the Collection and Detection of Trace Elements in the Natural Gas

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  • 1.Coal Reservoir Laboratory of National CBM Engineering Center,School of Energy Resources,
    China University of Geosciences,Beijing 100083,China;
    2.Langfang Branch of Research Institute of Petroleum Exploration and Development,PetroChina,Langfang 065007,China

Received date: 2014-11-20

  Revised date: 2015-06-10

  Online published: 2015-11-10

Abstract

The study on distribution of trace elements in natural gas is still in the exploratory stage due to be lack of the relevant detection technology.Professor Wang,et al.have made important progress by introducing the air-extracting method used for geogas survey for the first time and successfully collected the trace elements in natural gas using nitric acid.The paper aims at preliminarily searching the determination method of trace elements in natural gas on the basis of optimization nitric acid collection medium.The following conclusions could be gotten by experiments:The collection effect of nitric acid with low concentration is better than high concentration.And the 15% nitric acid is the best.Compared with field experiment,the detection value of small volume and cycle experiment indoor is closer to the actual value of trace elements in natural gas.It verified some conclusions about trace elements that proposed by previous researchers by comparing the detection results of trace elements in natural gas from different areas.But its mechanism of action are unknown,and precise quantification of trace elements need to be researched further.

Cite this article

WU Sheng,TANG Da-zhen,YAN Qi-tuan,XU Hao,WANG Shu-ying,HAN Zhong-xi . Study on the Collection and Detection of Trace Elements in the Natural Gas[J]. Natural Gas Geoscience, 2015 , 26(11) : 2166 -2171 . DOI: 10.11764/j.issn.1672-1926.2015.11.2166

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