Portable Filtering System

Portable Filtering System Adam Tanbouz

Jie GuShivam Mathur

Vaibhav Mal

Agenda

www.aquaquick.ueuo.com

• Aquaquick Team

• Motivation - Need for product - Product Overview

• Market and Competition

• Inner Workings - Energy Generation - Filtration Process

• Product Testing

• Project Specifics - Team Dynamics - Finances and Timeline

• Looking Back and Thinking Ahead- What we learnt from this experience- Future improvements • Conclusion

• Acknowledgements & References

• Questions & Demo

AquaQuick Team

Vaibhav Mal – President and Chief Executive OfficerConcept and team dynamics

Shivam Mathur – Chief Technical OfficerR&D UV Technology and Implantation

Jie Gu – Chief Financial OfficerR&D Finances and Mechanical building

Adam Tanabouz – Mechanical LeadR&D Mechanical and Electrical Building

Motivation

Need for the product

• What problem is it addressing

• Earth – Two third water

• Human Body – Approx 70% water

• 1.5 billion people without regular access to water4 Million deaths annually

• People walk an Average of 3.7 miles and spend 16 hours a week (2 hours a day)

Product Overview

Market and Competition

Filtering Products

• Many available• None reusable, self sustaining and durable

Other Methods

• Iodine tablets• Battery powered filters• Charcoal filters

Hand crank

• Cannot be used on the go

Energy Generation

• DC voltage generator to charge a battery. • Ultraviolet bulbs that work at 12 V DC and have the required specification to kill bacteria.

Current range Calculation

RPM of the cart’s speed

- 47 cm diameter wheel and a stop watch, it was found equal to 40 RPM

- 47 RPM = 50 to 80 Watt for one hour

- Maximum current rating = 70 Watt /12 V= 5.8 A

- Nominal operating current = 40 Watt /12 V= 3.3 A

- 40 RPM x wheel’s circumference = 59.2 meter per minutes. So, 3.55 KM in one hour.

The generator

- RPM generator- Current higher than the calculated currents.

- Permanent magnet DC motor from used car or appliance is powerful and cheap

- Wiper Motor from used vista eagle car 1992 model- 80 watt 12 VDC 6.7 A

- The generation of 13 VDC to 14 VDC was easy at low RPM that was calculated using stop watch. It was found Equal to 50 RPM

Gear Module

- Generator rotates in one direction, so gear module rotates in one direction.

- The gear ratio needed = The generator’s RPM/ The wheel’s

- RPM= 50/40= 1.25.

- Rotation are transferred by chain

The circuit

- The battery and the generator are connected in parallel

- Current flows from generator to the battery when the generated voltage is larger than the voltage of the battery.

The Circuit

Filtering Process

Our Objective

• Get same results as boiling• Micro-organisms• Chemicals • Particles

Filtering techniques we used

• Mesh Filtering• UV Filtering• Sun Filtering

Filtering Process

Mesh Filtering

• 20 micron Sediment Filter

• Reduces amount of sand, silt, dirt, and other particles.

• Two Layers

Filtering Process

UV filtering

• UV-C Short wave- 100-280 nm

• UV Lamps

• Alter DNA of viruses, bacteria molds and parasites

• No chemicals added

• Class A and B

Filtering Process

Sun Filtering

• UV-A Long wave- 315-400 nm

• (PET) Polyethylene terephthalate

• Deactivates diarrhea-causing organisms in polluted drinking water[2]

• Cumulative solar energy

• Aluminum – 75% UV Reflectivity[1]

Combined System

Working together

• Simultaneous charging and lighting• Water movement

Other components

• UV Lamps case• Battery/Generator Cabinet• Water Tap• Reversible movement• UV lamp switch and generator switch• Mesh filter container

Lifetime

UV Lamps - 8000 burning hours[7] (2hrs/day = 730hrs) - Recommended replacement - Annual - Contact retailers

Battery

Generator

Mesh Filter- 6 months life[8]

- Four replacement papers provided

Other parts- Contact retailers

Testing

Testing Steps

Pour the water getting from SFU pond on the mesh filter and exposure it under UV for 10 minutes

Prepare 2 water samples (one is from SFU pond , one is after treated)

Culture Bacteria: Mix the agar and pour it into the dish to cover the bottom Pour 1 ml sample water on the agar Set the dish in a warm dark cupboard for two to three days

Observe the bacteria colonies through the top of the dish

Testing Result (Untreated)

Testing Result (Dilute Untreated Water)

Sample No. Colonies1 372 453 404 265 50

Average 40

Total Colonies:40 * 1000 = 40,000

per 1ML

Testing Result (Treated)

After treatment from aquaQuick, there are only 5 colonies!

99.9875% bacteria have been killed

Testing Result (Compare)

SteriPEN Kills over 99.9% of bacteria and

viruses, and it gets WQA approved.

Team Dynamics (Teamwork)

Share Ideas & Democratic ProcessWork Together

Team Dynamics(Individual Work)

Finances

Item Proposed ActualWheel Mechanism 105 50

Chain & Gears 0 10Pulley & Belts 25 0

Wheels 50 10Support 30 30

UV Components 100 117UV Lamp 40 25

Plexi Glass 10 12UV Circuit 50 80

Boiling Components 200 0Magnets 50 0

Coil 150 0Power Generation 225 147

Generator 200 50Battery 25 67Diode 0 4

Other Parts 150 209Cart 0 32

Container 50 10Mesh & Case 0 30

Cabinet 70 0Screws, Nuts & Washer 30 27Water Proof Seal & Tape 0 20

Paint 0 12Tap 0 10

Tools Renting 0 72Aluminum 0 6

Greese & Oil 0 5Total 680 520

Timeline

Item Proposed Implemented

Order Parts & Drafts Oct-10 Ongoing

Generator & Power Circuits Oct-30 Oct-20

Transmission(Gears, Wheels & Chain) Nov-15 Nov-26

UV Circuit & Containers Functions Nov-30 Dec-02

Mesh & Case Dec-03 Dec-03

Integration Dec-05 Dec-07

Testing & Debugging Dec-10 Dec-10

Future Improvements

• Add Quartz around the UV tube

• Integrating Active Carbon Filtration

• Aluminum Mirror (200nm-10µm)[3]

• Replaceable UV Tubes

• Stronger Parts of Cart

• Indicator for Bulb Replacement

• Indicator for Water Quality

• Automatically Switch

Conclusion

- What do we take away from an experience like this?

- Mechanical skill and respect for tradesmen

- A lot of knowledge about Microbiology

- Great friendships and memories

Acknowledgements

• Engineering Student Society Endowment Fund for their financial contribution

• Linda Pinto for her help with water testing

• Professors for their feedback and validation of our ideas and progress

References

[1] Ultraviolet Germicidal Irradiation Handbook by Wladyslaw Kowalski. Pg 153. UV Reflective Materials

[2] (2010). Solar Water Disinfection. Retrieved December 16th, 2010, from Wikipedia Web Site: http://en.wikipedia.org/wiki/Solar_water_disinfection

[3] (2010). Protected Aluminum Broadband Front Surface Mirrors. Retrieved December 16th, 2010 from PGO Online Web Site: http://www.pgo-online.com/intl/katalog/sea-uv.html

[4] (2010). See Water in a whole New Light. Retrieved December 12th, 2010, from SteriPen Web Site: http://www.steripen.com/

[5] http://www.youtube.com/watch?v=1KZ-Ebp3Ct0

[6] (2009). Retrieved December 20th, 2010 from ChineseMol Web Site: http://www.chinesemol.com/products/p19289.html

[7] (1995). UV Waterworks 2.0. Retrieved December 19th, 2010, from Berkley Lab Web site: http://www.lbl.gov/Education/ELSI/Frames/Sustain21-f.html

[8] (2010). Liquatec 20 Micron Sediment 2 ½ “ x 9 7/8” Cartridge Filter. Retrieved December 18th, 2010 from Aquapura Web Site: http://www.aquapurawater.ca/liquatec-20-micron-sediment-2-12-x-9-78-cartridge-filter-p-383.html?zenid=20034cf5cb124824e24e2a80b9cb569b

Questions?

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