In my water filter I used:
- Water bottle
- 1 coffee filter
- a rubber band
- gravel
- sand
- powdered charcoal
- a small piece of aquarium filter core
First, I Cut the water bottle in half so that I could use the bottom as the collecting cup and the top as the filter next I wrap the filter around the mouth of the bottle, next I added in the piece of aquarium core then a layer of charcoal then a layer of sand, charcoal, and sand, and then gravel to top it off
My filter will work because the water goes through areas with very small pores multiple times leaving behind any particles in the layer above. At the bottom of the filter the water goes through a coffee filter which covers the mouth of the water bottle.
My filter is similar to groundwater filtration because it includes Gravel and Sand as filter layers.
I chose to use charcoal because at the water plant I learned that activated charcoal and activated carbon can help better the taste of water. I chose to use the bottom of the bottle as a cup because during a water crisis I'm sure that I would want to keep things as minimal as possible.
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| TN (2017) My finished water filter |
The source of the water is from the bathroom sink in school, plus some dirt from the garden outside. The pH level before was 5.4 and after was 6.7.
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TN (2017) Before (right) and After (left)
|
Smells like a playground/gardenSmells clean/no smell
Looks dirty/like mud
Looks clear
Tastes clean not metallic, very pure and refreshing
pH: 5.4
pH 6.7
H+ 0.000003941
H+ 0.0000002
Both water samples fall closer to the neutral pH level (7) which means that both might have been safer to drink although I did not drink the water before filtration.
These are the pH levels converted to H+
3.9 x 10^-6 (before) 2 x 10^-6 (after) the difference between those levels is 19.9. I used the equation 10^-5.4/ 10^-6.7.
I can conclude that the mix of charcoal sand and gravel will clean water to a point that it is safe to drink. My hypothesis was proven correct. All of the dirt was removed from the water and after it went through the filter it was completely clear and smelled like nothing. It took me a couple of times to get the water filter to work, the first time I put too much sand in and all of the water got trapped and nothing came out. The next time I made it I used activated carbon instead of charcoal but the water still came out cloudy. My final product added multiple layers of activated charcoal and sand then added aquarium core which came out with the best, clearest result.
Citations
The King Random “DIY: Make Swamp Water Drinkable” Youtube Jul 6 2017 accessed Oct 9 2017
Looks dirty/like mud
Looks clear
Tastes clean not metallic, very pure and refreshing
pH: 5.4
pH 6.7
H+ 0.000003941
H+ 0.0000002
Both water samples fall closer to the neutral pH level (7) which means that both might have been safer to drink although I did not drink the water before filtration.
These are the pH levels converted to H+
3.9 x 10^-6 (before) 2 x 10^-6 (after) the difference between those levels is 19.9. I used the equation 10^-5.4/ 10^-6.7.
I can conclude that the mix of charcoal sand and gravel will clean water to a point that it is safe to drink. My hypothesis was proven correct. All of the dirt was removed from the water and after it went through the filter it was completely clear and smelled like nothing. It took me a couple of times to get the water filter to work, the first time I put too much sand in and all of the water got trapped and nothing came out. The next time I made it I used activated carbon instead of charcoal but the water still came out cloudy. My final product added multiple layers of activated charcoal and sand then added aquarium core which came out with the best, clearest result.
Citations
The King Random “DIY: Make Swamp Water Drinkable” Youtube Jul 6 2017 accessed Oct 9 2017
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