tim byrne-(e sci) bridget finnegan-(ch e) monica virga-(pnge) riley wingert-(m e)
TRANSCRIPT
Tim Byrne-(E Sci)Bridget Finnegan-(Ch
E)Monica Virga-(PNGE)Riley Wingert-(M E)
Rain Water CatchmentRain Water Catchment
RiverRiver
Mass storage60,000 L Capacity
AgricultureAgriculture
Waste waterWaste water
Daily water storage
Daily water storage
FilterFilter
Daily potable storage
Daily potable storage
Bio dieselBio diesel HousingHousing
Drinking
Showers
Washing
Toilets
40 L/day
16 L/day
24 L/day
80 L/day100 L/day
300 L/day
50 L/day
3.4 in. avg./mo.1.5 L per ft2 in
680 L/day
Roofspace: 4000 ft2
200 L/day
Cooking
40 L/day
Back up water source
300 L/day
300 L/day
300 L/day
Catchment and Treatment System
4000 ft2
Mass Storage
P
P
Filter
Agriculture and Wastewater350 L/day
Potable 300 L/day
Holding tank
4 foot prototype
Gravity feed
Flow Rate = 99.2 L/m2*dayDiameter = 6 in = 0.152 m
Experimentation/PrototypingObjective: Filter 300 L/day
Volume ~ 200 L0.57 m dia.0.85 m high
We will need 6 – 8 filters.
Anticipated flowrate = 130.4 L/m2*dayAreaexperimental = 3.0 m2 Areatheoretical = 2.3 m2
Biological Slow Sand Filter Design
Schmutzdecke
Collection Piping
Clean water Primary effluent
Testing for Coliform
Methods:
• Laboratory
• One time use field tests
• Presence tests
• Local means
Pros:
• Reveals
Fecal coliforms
Other bacteria
• Portable
• Easy to Use
Cons:
• Cost - $10/each
• Non-reusable
• Restricted to occasional use
Enjoy Clean Water!
Clean bio-layer
Switch filters
Set flow rates
Pump waterOwnership
Responsibility
Better Health
Added Convenience
User Experience
User Attributes User Actions
Business Model
The CYEC kids will own the system and they make it a success by applying the
system to other applications
Goal:
Provide reliable and cheap means of Coliform testing to the eco-village and the near-by
communities.
Will be saving $500 per year in Municipal Water costs!
Start up cost: $1,684.70