h 2 s pollution in petroleum industry. hadi tavasoli hadi tavasoli mohammadreza sanavi mohammadreza...
TRANSCRIPT
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HH22S Pollution in Petroleum S Pollution in Petroleum IndustryIndustry
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Hadi tavasoliHadi tavasoli Mohammadreza sanaviMohammadreza sanavi
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The Petroleum IndustryThe Petroleum Industry
1)Exploration and production1)Exploration and production 2)Transportation2)Transportation 3)Refining3)Refining 4)Marketing4)Marketing
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fig1fig1
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Exploration and ProductionExploration and Production
1)Exploration and well-site 1)Exploration and well-site preparationpreparation
2)Drilling2)Drilling 3)Crude oil and gas processing3)Crude oil and gas processing 4)Enhanced recovery4)Enhanced recovery
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fig4fig4
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Natural GasNatural Gas
Primarily of methanePrimarily of methane
1)ethane1)ethane Small quantities of 2)propaneSmall quantities of 2)propane
3)butan3)butan
Impurities:nitrogen,helium,carbon dioxide,Impurities:nitrogen,helium,carbon dioxide,
hydrogen sulfide,mercaptans,watherhydrogen sulfide,mercaptans,wather
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Condensible hydrocarbons are Condensible hydrocarbons are recoverd from the gas using:recoverd from the gas using:
AbsorptionAbsorption Refrigeration or gas expantionRefrigeration or gas expantion
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Air Emissions Air Emissions CharacterizationCharacterization
757757
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Vent Collection systemVent Collection system
The control efficiency of the The control efficiency of the collection system depends on the collection system depends on the capture efficiency and how the capture efficiency and how the collected gas is used or destroyed collected gas is used or destroyed
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RefiningRefining
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766766
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Treating processesTreating processes
These processes are used to stabilize These processes are used to stabilize and upgrade petroleum products by and upgrade petroleum products by separating them from less desirable separating them from less desirable products and by removing impurities.products and by removing impurities.
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Wastewater TreatmentWastewater Treatment
Containing HContaining H22S,ammonia,and oil is S,ammonia,and oil is termed sour watertermed sour water
Depends on diversity of refineryDepends on diversity of refinery
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SULFUR RECOVERYSULFUR RECOVERY
Very-high purity elemental sulfur is Very-high purity elemental sulfur is recovered as a by-product of the recovered as a by-product of the processing of crud oil and natural gas.processing of crud oil and natural gas.
Crude oil contain 0.1% to 5.0% sulfurCrude oil contain 0.1% to 5.0% sulfur Natural gas contain 15% to 20% HNatural gas contain 15% to 20% H22S S
or other sulfur compounds.or other sulfur compounds.
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Process DescriptionProcess Description
1)Gas scrubbing1)Gas scrubbing 2)Sulfur recovery2)Sulfur recovery 3)Incineration3)Incineration
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420420
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422422
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Converting Hydrogen sulfide Converting Hydrogen sulfide by the claus processby the claus process
22HH22S S ++SOSO2 =32 =3S S + 2+ 2HH22OO
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Making Hydrogen from Making Hydrogen from Hydrogen SulfideHydrogen Sulfide
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Processing Natural GasProcessing Natural Gas
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A Natural Gas Processing A Natural Gas Processing PlantPlant
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Absorption TowersAbsorption Towers
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Gas Processing Plant with Gas Processing Plant with Absorption TowersAbsorption Towers
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Pipes and Absorption Pipes and Absorption TowersTowers
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Gas Sweetening PlantGas Sweetening Plant