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Soda bottle pasteurizer

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Revision as of 13:40, September 23, 2012 by Eric marlow (Talk | contribs)

Pasteurizer art can lg color copy
The Soda bottle pasteurizeris a solar water heater and pasteurizer made from everyday recyclables.

Tools and equipment

  • Scissors, Knife, Glue, Tape, Thermometer*

Materials

  • 1 or 2 liter clear plastic soda bottle
  • 12 oz. aluminum soda can
  • Corrugated cardboard box approx. 16” x 16” x 16”
  • Aluminum foil or reflective plastic from inside chip bags, etc.
  • Tape (lables from some bottles make good tape)



Instructions

From a 1 or 2 liter clear plastic soda bottle (right) cut off the top, 1" below where it becomes straight.

Cut slit 1" long into the side of the top (dotted line) to make it easy to insert into the bottle bottom.

A 12 oz. aluminum can with a dark lable or coat the can with carbon black from a candle or wood fire.

Put the can filled with water into the plastic bottle bottom and insert bottle top and press down to lock can in place.

Bottle thermos on reflector

To make the reflector (right), start with a corrugated cardboard box approximately 16" x 16" x 16". Cut off the top and two sides of the box. Cover the two remaining sides and bottom with aluminum foil or potato chip bags with silver coating facing out. Use wheat paste, glue or tape to adhere to cardboard box. Place bottle on the reflector and place in sun. Keep bottle shadow centered on back of solar panel.

Caution: Water is very hot do not drink from bottle until cool.

To pasteurize, water must be heated to 65°C (158°F)



See also

External links

For lots more great projects made from Everyday Recyclables go to: http://www.recyclabits.com

A copy of this project may be made for personel educational purposes only. © Eric Marlow 2008 All rights reserved

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