Natural Gas. What is Natural Gas Natural Gas: -A flammable material made from carbon and hydrogen...
Transcript of Natural Gas. What is Natural Gas Natural Gas: -A flammable material made from carbon and hydrogen...
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Natural Gas
Natural Gas
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What is Natural GasNatural Gas: - A flammable material made from carbon and
hydrogen formed in short chains. A nonrenewable fuel.
eg. Methane, Propane
How is it made?- Created when plant and animal bodies are exposed to high pressure and temperature for thousands of years
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Natural Gas
What do we use it for?-Heating (hot water tanks, etc.)-Cooking-Generate electricity-Vehicle Fuel-Manufacture plastics
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Who Extracts it? (in cubic meter)
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Sources of Natural GasCoal Beds: Layers of rock that contain layers of coal. Coal = carbon fossilized
Shale Beds: Trapped in shale rock
Methane Clathrates: A solid compound made from a crystal that holds methane inside it.
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Processes that make natural gas
1) Biogenic: (Bio = living, Genic = Made) Made from organisms, mainly bacteria and algae.
- Sewage, Bogs, Marshes, Composts
2) Thermogenic:
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Processes that make natural gas
1) Biogenic: (Bio = living, Genic = Made) Made from organisms, mainly bacteria.
- Sewage, Bogs, Marshes, Composts
2) Thermogenic: Made from thousand year old dead animals and plants buried under layers of rocks under high pressure and temperature
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Processing Natural Gas
Processing: Removal of impurities leaving almost pure methane behind which is sold as natural gasProducts that are released during processing:- Butane- Pentanes- Hydrogen sulfides- Carbon dioxide- Water- Helium
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Shale Beds and Fracking
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Shale
Shale: A layers of mud and clay that was hardened over thousands of years. Where many fossils are found
Shale Gas: Refers to the gas stuck in the layers of shale
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Shale Gas and Hydraulic Fracking
Removal of Gas from ShaleNaturally: Releasing gas trapped in shale can be released by the natural fracturing of the shale layer. Artificially: Hydraulic Fracturing is used to break the layers of shale and release the gas. Methods commonly used in Canada and the US
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Hydraulic Fracturing
Hydraulic Fracturing: Breaking layers of shale to release the trapped natural gasSteps:1) Locate shale beds2) Set up a drilling rig3) Drill to the shale layer
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Hydraulic Fracturing
Hydraulic Fracturing: Breaking layers of shale to release the trapped natural gasSteps:1) Locate shale beds2) Set up a drilling rig3) Drill to the shale layer4) Angle the drill so that it runs down the shale
strip5) Remove the drill and insert a pipe down the
length of the hole
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Hydraulic Fracturing
Hydraulic Fracturing: Breaking layers of shale to release the trapped natural gasSteps:1) Locate shale beds2) Set up a drilling rig3) Drill to the shale layer4) Angle the drill so that it runs down the shale strip5) Remove the drill and insert a pipe down the
length of the hole6) Insert a perforating devise that breaks holes in
the end of the pipe
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Hydraulic Fracturing
Hydraulic Fracturing: Breaking layers of shale to release the trapped natural gasSteps:1) Locate shale beds2) Set up a drilling rig3) Drill to the shale layer4) Angle the drill so that it runs down the shale strip5) Remove the drill and insert a pipe down the length of the
hole6) Insert a perforating devise that breaks holes in the end of
the pipe7) Force a mix of water, sand and chemicals into the line and
out the holes8) Water pressure breaks shale and releases trapped gas
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How is Natural Gas made by living organisms:
Algae Fuel: Algae are used to produce methane, Vegetable oil, Biodiesel, Bioethanol and Biogasoline.
Benefits:-Can grow on land no suitable for other uses-Low impact on fresh water supply-Does produce CO2 but also uses CO2 to grow algae
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Assignment
QuestionsNext class: Gas Land