You determine the CO2e by multiplying the mass of a GHG by its GWP factor.
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The higher the GWP for a greenhouse gas, the higher its “heat trapping” capacity by the pollutant. By definition, carbon dioxide (CO2) has a GWP = 1. Methane is regulated as a greenhouse gas ( GHG) by the USEPA and has a global warming potential ( GWP) of 25 (based on a 100 year horizon).Homeowners use methane for cooking and heating their homes.A power plant using natural gas fuel generates approximately 13 kWh of electricity generated per cubic foot of natural gas (mostly methane) burned.Various industries and use methane in their processes.Large scale systems are used and continue to be refined for gas-to-liquids (GTL) technologies to make liquid fuels and products from natural gas and methane.Methanol has many uses in the economy including use as a hydrate inhibitor in natural gas handling and processing. Being a liquid at atmospheric conditions, methanol can be stored and transported easier than methane gas. Technologies are being refined to convert methane to methanol.Since methane is odorless, utilities add odorants chemicals called mercaptans to ensure people can detect a gas leak via the “rotten egg” smell of mercaptans.Also, the natural gas will contain small percentages of ethane, propane and butane. The natural gas that local gas distribution utilities send to our homes is composed of primarily methane.Energy Information Agency (EIA), “ In 2013, the United States consumed approximately 26.13 trillion cubic feet (Tcf) of natural gas.” The International Energy Agency (IEA) estimated that worldwide natural gas used the world used 3,500 billion cubic meters (123.6 Tcf) in 2013. Methane is used primarily as a clean fuel throughout the economies of the world.A breakdown of methane emissions to the atmosphere by source type in the U.S published by the USEPA:.Other significant sources of methane include landfills, manure management and other miscellaneous sources.5.5 million metric tons of methane per year (6.1 U.S. This is also called enteric fermentation. Methane is produced by ruminant livestock (cattle, sheep, buffalo, and goats) as a byproduct of the microbes partaking in the digestive process.Methane is found beneath permafrost and ocean sediments and is known as methane hydrate, methane clathrate and hydromethane, methane ice.Targeted production of methane from coal beds is an ongoing source of methane production. Coal mining results in methane production.Methane is a major component of natural gas produced at an oil and gas well production facility.As a gas it is flammable over a range of concentrations approximately 5 to 15% in air.Methane is a compressible, colorless, odorless gas at ambient atmospheric conditions.Methane’s gross heating value is approximately 1010 BTU per standard cubic feet (SCF).
![molar mass of methane gas periodic table molar mass of methane gas periodic table](https://d2vlcm61l7u1fs.cloudfront.net/media/338/33844d79-2ca9-4b38-8574-1984f2de091e/php7wwwmk.png)
It has a molecular weight of 16.04 pounds per pound mole.Methane has a tetrahedral molecular geometry with a carbon atom at the center and four hydrogen atoms making up the corners of the tetrahedron.The “C” stands for carbon the “H” stands for hydrogen. A methane molecule is made of one atom of carbon with four atoms of hydrogen with the chemical formula of CH4.Tetrahedral projection of methane molecule.
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Also covered are some of the aspects of methane as an air pollutant when it is released to the atmosphere.įigure 1. This blog topic discusses some of the properties, sources, uses and usage of methane today. Methane will continue to help power prosperity in the world for the foreseeable future. chemical and refining processes has resulted in an unprecedented amount of abundance for much of the world today. Using methane as a fuel for electricity and heat generation and feedstock for U.S. Despite all of the bad things projected onto methane there are many aspects and uses of this natural gas making it valuable and important. Methane has been getting much bad press lately.