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Sulfurcycle.odt Sulfurcycle.odt Presentation Transcript

  • The Sulfur Cycle
    A presentation by Group 4
    Jeremy Magdaong
    CJ Balicanta
    Joey Torres
    Emman Perez
    Die go Evangelista
  • The Sulfur Cycle
    • What is sulfur?
    • Why do we need sulfur?
    • The Sulfur Cycle
    • Is this cycle balanced?
    • The effects of too much sulfur
  • The Sulfur Cycle
    • Before we get started on the sulfur cycle, we need to know what sulfur is anyway.
    • SULFUR is....
    • An element
    • An essential element of life
    • Used in fertilizers, gunpowder, pesticides and fungicides
    • Found in two amino acids: cysteine  and methionine
  • The Sulfur Cycle
    • Why do we need it?
    Sulfur is an important nutrient for organisms, being a key constituent of certain amino acids, proteins and other biochemicals. Plants get sulfur by acquiring simple mineral compounds from the soil. Animals then get the organic form of sulfur by eating plants or animals who eat plants.
    Sulfur is also an important mineral commodity. It is obtained through pollution control in factories where it is collected in its natural gas state. Then it may be used for sulfate fertilization in some prairie agriculture.
  • The Sulfur Cycle
    • A Crash Course on the Elements and Compounds involved in the cycle
    S is for SULFUR
    SO4^-2 is for Sulfate
    SO2 is for Sulfur Dioxide
    H2S is for Hydrogen Sulfide
    FeS2 is Iron Sulfide, or pyrite
  • The Sulfur Cycle
  • The Sulfur Cycle
    HOME
    • To understand more about the cycle, we have to start at one point, say the SO2 emissions by the volcanoes, which occur naturally. They either go up in the air, or be decomposed to become H2S.
    SO2
  • The Sulfur Cycle
    HOME
    • In the air, the sulfates promote condensation, then when it precipitates it goes to either land or water.
  • The Sulfur Cycle
    HOME
    • When it precipitates to land, the plants receive them through the soil. When the plant dies and decomposes it becomes sulfate again.Then the microorganisms in the soil reduce the sulfate to hydrogen sulfide.
    eevaporation
    Precipitation
    PLANTS AND ORGANISMS
    Sulfates
    Reduced sulfur
    (Hydrogen sulfide)
    microorganisms
  • The Sulfur Cycle
    • The decaying of organisms may lead to the sedimentation of sulfates and sulfides and the organic sedimentation. In the organic sedimentations, it takes millions of years to turn them into fossil fuel. Fossil Fuels are then dug up by energy companies, which produces smoke in the process.
    SMOKE with SO2
    Decay and decompostion
  • The Sulfur Cycle
    • The Simpler (maybe the simplest) Version