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H 2 S Pollution in Petroleum Industry

H 2 S Pollution in Petroleum Industry. Hadi tavasoli Mohammadreza sanavi. The Petroleum Industry. 1)Exploration and production 2)Transportation 3)Refining 4)Marketing. fig1. Exploration and Production. 1)Exploration and well-site preparation 2)Drilling 3)Crude oil and gas processing

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H 2 S Pollution in Petroleum Industry

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  1. H2S Pollution in Petroleum Industry

  2. Hadi tavasoli • Mohammadreza sanavi

  3. The Petroleum Industry • 1)Exploration and production • 2)Transportation • 3)Refining • 4)Marketing

  4. fig1

  5. Exploration and Production • 1)Exploration and well-site preparation • 2)Drilling • 3)Crude oil and gas processing • 4)Enhanced recovery

  6. fig4

  7. Natural Gas • Primarily of methane 1)ethane • Small quantities of 2)propane 3)butan • Impurities:nitrogen,helium,carbon dioxide, hydrogen sulfide,mercaptans,wather

  8. Condensible hydrocarbons are recoverd from the gas using: • Absorption • Refrigeration or gas expantion

  9. Air Emissions Characterization • 757

  10. Vent Collection system • The control efficiency of the collection system depends on the capture efficiency and how the collected gas is used or destroyed

  11. Refining

  12. 766

  13. Treating processes • These processes are used to stabilize and upgrade petroleum products by separating them from less desirable products and by removing impurities.

  14. Wastewater Treatment • Containing H2S,ammonia,and oil is termed sour water • Depends on diversity of refinery

  15. SULFUR RECOVERY • Very-high purity elemental sulfur is recovered as a by-product of the processing of crud oil and natural gas. • Crude oil contain 0.1% to 5.0% sulfur • Natural gas contain 15% to 20% H2S or other sulfur compounds.

  16. Process Description • 1)Gas scrubbing • 2)Sulfur recovery • 3)Incineration

  17. 420

  18. 421

  19. 422

  20. Converting Hydrogen sulfide by the claus process • 2H2S +SO2 =3S + 2H2O

  21. Making Hydrogen from Hydrogen Sulfide

  22. Processing Natural Gas

  23. A Natural Gas Processing Plant

  24. Absorption Towers

  25. Gas Processing Plant with Absorption Towers

  26. Pipes and Absorption Towers

  27. Gas Sweetening Plant

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