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What is the composition of the water removed during coalbed methane production?

April 26, 2017coalbed composition methane production removed water

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What is the composition of the water removed during coalbed methane production?

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The water composition varies, even within coal deposits. For example, a USGS monitoring project in the Powder River Basin shows an increase in dissolved sodium (Na+) and bicarbonate (HCO3), along with an increase in total dissolved solids. In general water produced from coal seams can be saline (contains a high concentration of dissolved salts), or sodic (high in sodium concentration relative to concentrations of calcium and magnesium), or both.