Landfills and Landfill Gas:

Land-filling is one of the most popular and widely used method of disposing different types of waste materials, more specifically Municipal Solid Waste (MSW), in many countries. In order to fulfill the federal regulations, the landfills are designed and operated in an efficient way and are located in such areas which are away from the residential areas. It is essential to carefully monitor this whole process, as this method of disposing waste results in the generation of landfill gas (Chalvatzaki & Lazaridis, 2010).

Landfill gas is a mixture of different gases, which include methane, carbon dioxide, nitrogen, ammonia, oxygen, sulfides, carbon monoxide, hydrogen, and many other. In terms of volume, 45% to 60% methane and 40% to 60% carbon dioxide is presented in the landfill gas. Landfill gas is produced as a result of three processes which takes place when the waste material is disposed into...
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