Coalbed methane (CBM)
Posted on : 07 Dec 2019
Views: 528- Coalbed methane, coalbed gas, coal seam gas or coal-mine methane is a form of natural gas extracted from coal beds.
- In recent decades it has become an important source of energy in United States, Canada, Australia, and other countries.
- The term refers to methane adsorbed into the solid matrix of the coal. It is called 'sweet gas' because of its lack of hydrogen sulphide.
- The presence of this gas is well known from its occurrence in underground coal mining, where it presents a serious safety risk.
- India has fifth-largest proven coal reserves in the world. So it has significant prospects for exploiting CBM.
- CBM is an environmentally safe gas.
Where is coalbed methane found?
- Coalbed methane is associated with coal deposits, and is found in coal seams.
- In the past, the gas was the cause of numerous explosions in underground mines. More recently, the gas has been vented to the surface from underground mines.
- Various basins in the Rocky Mountains hold much of this country's coalbed methane resources.
Article Related Questions
-
Consider the following statements regarding “Coalbed methane (CBM)”
1.It is also called 'sweet gas'.
2.India has fifth-largest proven coal reserves in the world.
3.It is not an environmentally safe gas.
Which of the following statement is/are correct?
1.1 and 2 only
2.1 and 3 only
3.2 and 3 only
4.1, 2 and 3
Right Ans : 1 and 2 only
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Dec 15,2020 3:39 pm