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Line 1: − <big>'''<big>Preface</big><big></big>'''</big><big></big> −
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[[Coalbed methane|Coal Bed Methane]] (CBM) is unconventional natural gas which come from coal. CBM can be used as energy alternative beside hidrocarbon. Coal that used as source CBM provides 25% world energy. CBM resources predicted about 9000 TCF, mainly in North America (3000 TCF) and other country former Soviet Union (4000 TCF).
[[Coalbed methane|Coal Bed Methane]] (CBM) is unconventional natural gas which come from coal. CBM can be used as energy alternative beside hidrocarbon. Coal that used as source CBM provides 25% world energy. CBM resources predicted about 9000 TCF, mainly in North America (3000 TCF) and other country former Soviet Union (4000 TCF).
CBM fistly used around coal mining. Coal mines can simultaneoustly produce methane and consume it by generating electricity. The electricty can be used to operate many instrument in around coal mining. Then electicity from CBM can be selling to power supplier for cost recovery in coal mines.
CBM fistly used around coal mining. Coal mines can simultaneoustly produce methane and consume it by generating electricity. The electricty can be used to operate many instrument in around coal mining. Then electicity from CBM can be selling to power supplier for cost recovery in coal mines.