石油与天然气化工2025，Vol.54Issue(2)：119-125,7.DOI:10.3969/j.issn.1007-3426.2025.02.017
基于气相色谱法的掺氢天然气分析研究
Analysis of hydrogen-blended natural gas based on gas chromatography
摘要
Abstract
Objective In order to confirm the applicability of existing analysis and testing standards for hydrogen-blended natural gas with high hydrogen content,it is necessary to carry out a study on the analytical method of hydrogen-blended natural gas.Method Gas chromatography was employed to analyze the composition of hydrogen-blended natural gas.The analytical method was optimized by reducing the sample loop size,refining heating procedures,and adjusting valve switching time.Result The resolution of hydrogen and helium,the accuracy and precision of the method meet the requirements of GB/T 13610-2020 Analysis of natural gas composition—Gas chromatography.The gas chromatograph exhibited a linear response over the range of hydrogen molar fraction from 3.01%to 25.50%.It is also clear that the uncertainty introduced by the standard gas itself is essential to assess the uncertainty of the sample gas.Conclusion The study validates the reliability of monitoring and accurately measuring hydrogen-blended natural gas quality and establishes a foundation for advancing analytical technologies in transportation.关键词
掺氢天然气/气相色谱法/分离度/准确度/精密度Key words
hydrogen-blended natural gas/gas chromatography/resolution/accuracy/precision引用本文复制引用
张佩颖,陈勇,涂振权,周理,李蒲智..基于气相色谱法的掺氢天然气分析研究[J].石油与天然气化工,2025,54(2):119-125,7.基金项目
中国石油西南油气田公司科学研究与技术开发项目"掺氢天然气取样及分析技术研究"(20230312-06) （20230312-06）
