Ventilation Air Methane (VAM) is a Greenhouse Gas (GHG) released by coal or mineral mining operations, it is also commonly known as Coal Mine Methane (CMM). The air pollutants from this process have a global warming potential 21 times greater than carbon dioxide, which is another well known GHG. As alternative energy technologies have developed, methane is increasingly used to generate electricity and heat. Landfills and mines represent two of the most abundant sources, however reports indicate that more than 50% of all VAM is exhausted from mine ventilation systems and remains unutilized.
By Anguil Environmental Systems, Inc. based in Milwaukee, WISCONSIN (USA).
Traffic, especially in urban locations, is one of the greatest contributors to air pollution. Traffic produces a variety of different pollutants that include particulates, NO2, NO, CO, hydrocarbons and in some cases SO2. The monitoring of roadside pollution can be challenging as often it is difficult to find suitable locations for large air quality monitoring systems and many sites that are available can be too far away to be representative of roadside air pollution.
Ammonia (NH3) is formed from the breakdown of urea in slurry and manure, and hence this is the main source of NH3 emission in the UK. High levels of NH3 emissions can cause a large amount of environmental damage to vegetation. As well as the outward environmental impact, high NH3 concentrations in and around livestock enclosures have a detrimental effect on the health and well-being of the animals.
By Protea Limited based in Middlewich, UNITED KINGDOM.
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