Unit 3: Thermal Pollution

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  • Thermal Pollution
    • Effects
      • About 40 degrees denatures human proteins
      • Metabolic rate increases = less food energy for growth
      • Changes the rate of egg development and hatching dates
      • Introduced species from hot climates may thrive and outcompete
      • Toxins are metabolised more quickly = pollutants are more toxic
      • Reduced disease resistance
    • Control
      • Condenser water used to absorb heat from steam
      • Cooling towers reduce waste water temperature by dispersing it into the atmosphere
        • Hot water sprayed from the floor of the cylinder tower
          • The warmed air rises and escapes, creating an up draught which pulls more air through the spray to be cooled

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