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Plastic Water Bottle LCA
17
Sources:
http://www.madehow.com/Volume-2/Paper.html
http://www.bottledwater.org/education/recycling
http://www.montgomeryschoolsmd.org/uploadedFiles/curriculum/outdoored/programs/waterbottlefactpages.pdf
The Bottle
Disposal
Striving to be more environmentally friendly:
-companies are trying to reduce the amount of plastic used in water bottles
-average weight of bottle has gone down 48% since 2000
-the percentage of bottles that are recycled has doubled in the last 10 years
Raw Material: Oil
-Extracted through drilling
-Options: reducing (not using plastic water bottles) is always the best option, but if this can't be done reusing or recycling are the next best. Even so, most water bottles end up in landfills.
-Pollution:
-if bottles end up in oceans or rivers the plastic pollutes the water
-they shouldn't go in landfills because the plastic can be reused for other materials/products
Steps in the Process
1. Oil is cleaned @ refinery
2. Oil is transformed into plastic pellets and molded into bottle shape @ separate factory
3. Bottles are sent to plant where they are filled with water/other substance
4. Bottles sent to store
Transportation between each stage = CO2 emission (air pollution)
Background
Packaging
-Water bottles are usually
packaged in 24 packs that are
wrapped in other plastic.
Globally, humans buy 1 million plastic bottles a minute, and 91% of these aren't recycled.
-Some companies, like nestle, produce a water bottle with a smaller cap to create less plastic
Plastic Water Bottle LCA
By Amanda Sorenson
This startling statistic is why I chose to research the "birth" and "death" of plastic water bottles, because I know they are a common object that we as a society use a lot.
The Label
The manufacturing of a water bottle can be broken down into 3 parts:
-The Bottle
-The Cap
-The Label
The Cap
Raw Material = paper (wood/wood pulp)
Extraction = harvesting trees
Processing = manufacturing process:
-wood pulp paper in factory
All require energy
-Similar to plastic bottles, caps are also made from the raw material oil
-the difference is that plastic pellets are molded into bottle caps
-Overall same process
Guide
= Transportation
used
= energy require
= water required