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The Life Cycle of an Incandescent Light Bulb

By Morgan Weaver and Olivia Fladung

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Timeline of the Light Bulb...

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Diagram

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Raise and Extract

  • Glass- Made with liquid sand (sand heated to 1700 degrees)

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Raise and Extract

  • Tungsten(metal)- Extracted from the earth and ores sent through a series of chemical reactions

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Process

Sand melted into glass

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Process

Tungsten formed into shape

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Manufacture

  • Ribbon Machine
  • Blown glass

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Manufacturing

  • Assembly line

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Manufacturing

  • Gas- Nitrogen or Argon

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Consumer products

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Use

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Repair

  • Very unlikely
    • the filament breaks = hard to repair
    • you can’t let the gas release from the bulb

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Disposal

  • Recycling-
    • give back to stores (programs)
  • Dispose and start buying fluorescent

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Reuse

Or make something new!

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Where do they go?

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Citations

  • Glass. (n.d.). Retrieved March 2, 2015, from http://www.explainthatstuff.com/glass.html
  • How Products Are Made. (n.d.). Retrieved March 2, 2015, from http://www.madehow.com/Volume-1/Light-Bulb.html
  • How Tungsten Wire is Made. (n.d.). Retrieved March 2, 2015, from http://www.tungsten.com/tips/how-tungsten-wire-is-made/
  • Ramroth, L. (2008, February 1). Comparison of Life-Cycle Analyses of Compact Fluorescent and Incandescent Lamps Based on Rated Life of Compact Fluorescent Lamp. Retrieved March 2, 2015. file:///C:/Users/012048/Downloads/C08-02_CFL_LCA.pdf
  • Harris, T. (n.d.). Light Bulb Structure - HowStuffWorks. Retrieved March 2, 2015, from http://home.howstuffworks.com/light-bulb1.htm