What are the Concentrations of Methane in the Offgas from a Typical Methane Stripping Plant and will they be explosive?
On average, the concentration of methane in off-gas in our plants would be 25m3 in 12,000m3 of air, or about 2,080 ppm methane by volume. The lower explosive limit (LEL) for methane in air is about 5 percent by volume, or 50,000 ppm, so the concentration of methane in off-gas is about 4 % of the LEL. This means that there is not enough methane in the offgas from our plants to pose a significant risk of explosion while in normal operation.
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