water quality activity 2 treatment amy biddle. water quality activity 2: objectives: to use digital...
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Water Quality Activity 2Water Quality Activity 2
Treatment Treatment
Amy BiddleAmy Biddle
Water Quality Activity 2:
Objectives:
To use digital imaging to track the removal of natural organic matter from water by alum and activated carbon.
To compare the effectiveness of treatment methods for removing natural organic matter.
Timeline: Treatment Experiment
Today: 10:00- 10:30: Water Tx Activity Intro: very short Set up: filter
Break10:45- 11:15: Finish Tx set up
Allow to settle
Over the course of the day (after settling)
Take treatment images
Thursday:9:00- 10:00: Water treatment theory
How to do image analysis: QuickClean up aquaria and Tx dishes
Friday:9:00- 10:30: Image Analysis/ clean up: finish
Group share: Results
Application to classroom practice
Leached water samples
For Each Leaf Type
+
WaterControl
UntreatedControl
AlumActivatedCarbon
ActivatedCarbon
ActivatedCarbon
2.0 grams
Filter sample through
Ta- Da!
AlumActivatedCarbon
ActivatedCarbon
2.0 grams Filter sample through
Ta- Da!
Alum
Adjust pH to 7 with NaHCO3
(add 5 drops, test…)
Add alum until floc is visible throughout (add 5 drops, mix…)
Alum Treatment
pH adjustedAlum added
Flocks o’ flocs
Flocssettle
Taking digital images: Treatments
Water
Control
Leaf 1
Untreated
Water
Control
Leaf 1
Carbon
Leaf 2
Carbon
Water
Control
Leaf 1
Alum
Leaf 2
Alum
Leaf 2
Untreated
Sample data:
Intensity
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