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Non-Chemical Methods of Sterilizing Water

CSEF · 2002 Environmental Engineering

Dave C. Andersen · Colina Middle School, Thousand Oaks

Overview

Objectives/Goals My experiment tested the effectiveness of non-chemical water sterilization processes.I believed that non-chemical methods could be just as effective as the standard methods (chlorine). Methods/Materials I sterilized samples of lake water using the various non-chemical methods; then I streaked them into petri dishes. Results I discovered that most of the methods were sucsessful in killing bacteria Conclusions/Discussion My hypothesis was correct becuase several of the methods were sucsessful in killing bacteria. If i did this experiment again I would also test chlorine.

Summary statement

My project tested the effectiveness of non-chemical methods of water sterilization

Help received

Used vacuum chamber and pressure shamber at Northrop Grumman

Competition history

  • CSEF 2002 Environmental Engineering · Entry J0801

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