The Study of Gas Emission  on Natural Gas Leak Localization

Muthia Elma

doi:10.20527/infotek.v9i2.1749

The Study of Gas Emission on Natural Gas Leak Localization

Muthia Elma

Abstract

Abstract - The aim of this study is to measure gas emission (CH₄ and CO₂) coming from natural gas leak localization in the soil. Natural gas is injected into soil in different depths and then analyzed by gas detector and micro gas chromatography to know the values CH₄, C₂H₆, C₃H₈, C₄H₁₀, C₅H₁₂, O₂, N₂ and CO₂ which is spread out into soil. When there are leaks in the soil, methane (CH₄) will spread out underground. Methanotropic bacteria will use this natural gas as an energy source and transform it into carbon dioxide. The micro gas chromatography data was found that the pipes injected from 20 cm leak are 77.16% CH₄ loss in 70cm depth, 73.15% in 50cm depth and 14.08% in 20cm depth. And the pipes injected from 30 cm leak are 20.27% in 30 cm depth and 65.13% in 60 cm depth. Then, the pipes injected from 50 cm leak are 23.40% in 30 cm depth and 47.40% in 60 cm depth. The leak source is in 80 cm depth.

Keywords

methane; carbon dioxide; ampoule; gas detector; micro gas chromatography

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DOI: http://dx.doi.org/10.20527/infotek.v9i2.1749

DOI (PDF): http://dx.doi.org/10.20527/infotek.v9i2.1749.g1521