Week #1 Progress:

• Confirmation of project aim with Dr Ho.
• Contacting relevant professors to work together for the testing of our air filter effectiveness.
• Designing of the whole Air pump.
  • shape
  • airflow
  • fitting of different filters together
• First Round of 3D printing Air pump capsules.
  • different designs
  • different dimensions
• Contacting relevant suppliers and ordering our materials.
  • baking soda
  • calcium chloride
  • suction pumps
  • batteries
  • wires
  • heat shrink
• Testing Calcium Chloride effectiveness – monitoring air humidity.

Week #2 Progress:

• Second Round of 3D printing Air pump capsules.
• Confirmation of capsule design to be used in the air purifier.
• Testing effectiveness of calcium chloride in the capsules.

Week #3 Progress:

• Further revision to capsules
• Testing effectiveness of silica gel in the capsules
• Designing of acrylic box
• Ordered more types of pumps

Week #4 Progress:

• Confirmation of air pump to be used in the air purifier
• Revised the design of capsules
• Comparison between silica gel and calcium chloride
• Confirmation of silica gel over calcium chloride after testing effectiveness
• Checking of air flow through the acrylic box

Week #5 Progress:

• Borrowing of VOC detector and formaldehyde detector from CEE
• Testing of effectiveness of baking soda tablets in the capsules
• Testing of effectiveness of filter paper soaked in water in the capsules
• Testing of effectiveness of charcoal pills in the capsules
• Confirmation of 4 methods of removal: charcoal pills, baking soda, filter paper soaked in water, silica gel

Week #6 Progress:

• Humidity test for final design (WIP)
• VOC test for final design (WIP)
• Formaldehyde for final design (WIP)