Coal Bed Methane

Coal Bed Methane (CBM) is released through a hole in unverritzten Mountain coalbed methane. In contrast, the coalbed methane, which is produced in mines, called firedamp. A basic distinction various forms of carbon gases. As Kohleflözgase refers to naturally resulting coal gases. These include the CBM and CMM. In addition, there are the gases produced by the actual pit work of coal mining: Coal Seam Methane first, the (CSM ), which is released by the active mining; secondly, the Coal Mine Methane (CMM ), which also can emerge years after the closure of a mine.

The pit gases were feared in earlier times because of their explosiveness, began in early 20th century in Germany with their energy use as fuel. The countries with the world's largest deposits of Kohleflözgasen are China, Russia, the USA and Canada.