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Environmental Engineering…
…. for the Megalopolis
Environmental Engineering…
…. for the Megalopolis
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Raw Water
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Welcome to ENGRI 113!Welcome to ENGRI 113!
Instructor: Monroe Weber-Shirk
Teaching Assistants: Matt Sledjeski and Rick Jones
Introductions…
Resources...Resources...
Teaching Assistants Course web site
www.cee.cornell.edu/mw24/cee113/ Course schedule Course notes (as they are completed) Homework assignments (and solutions
eventually) Readings
Environmental EngineeringEnvironmental Engineering
Protecting the environment from the potentially deleterious effects of human activity
Improving environmental quality for human health and well-being
Protecting the environment from the potentially deleterious effects of human activity
Improving environmental quality for human health and well-being
How has environmental engineering affected you today?
Reducing, Reusing, Recycling to eliminate excess waste of resources
Disposing of waste (sewage, garbage...)
What about the space we use, the CO2 we emit...
Clean (and convenient!) drinking water
Clean air
Clean wastewater
Clean soil
teams
Environmental Engineering for the MegalopolisEnvironmental Engineering for the Megalopolis
A very large or principal city, a metropolis a continuous urban sprawl formed from the expansion
of adjoining cities the way of life characteristic of such a city the practice of building large cities
A very large or principal city, a metropolis a continuous urban sprawl formed from the expansion
of adjoining cities the way of life characteristic of such a city the practice of building large cities (megalopolises)
Environmental Engineering for the Megalopolis
Environmental Engineering for the Megalopolis
Water supply Where does the water come from? How much water is needed? How does it get to the city? Is the water safe to drink? How is the water purified?
Solid waste management How much garbage do cities produce? Where is it all going? What are the alternatives?
Case study:NYC
Major World Cities(Metropolitan Areas)Major World Cities
(Metropolitan Areas)
City population (millions)
Mexico City 20.2
Tokyo 18.1
Sao Paulo 17.4
New York 16.2 (7.3 in NYC)
Shanghai 13.4
Los Angeles 11.9
Calcutta 11.8
Buenos Aires 11.5
New York City StatisticsNew York City Statistics
Population ________ Area ________ 308.9 sq
mi Pop. Density ________ 23,671/sq
mi Water consumption ____ liters/person/day
Population ________ Area ________ 308.9 sq
mi Pop. Density ________ 23,671/sq
mi Water consumption ____ liters/person/day
7.3 million
800.0 km2
9139/km2
588
New York Water ConsumptionNew York Water Consumption
1.4 billion gallons/day 5.3 billion liters/day 588 liters/person/day ___ m3/s 58
3.9 m
New York City WaterNew York City Water
Where does New York City’s water come Where does New York City’s water come from?from?
How does the water get to all the buildings?How does the water get to all the buildings? Where does the water go when it “goes
down the drain”
Could NYC get its water from the rainfall on the City?
SolutionSolution
New York GarbageNew York Garbage
7,500 tons of garbage/day6,800,000 kg/day____ kg/person/day
750 tons of construction debris/day
0.75
New York City RecyclingRecyclingNew York City RecyclingRecycling
1,600 tons of recyclables/day 1000 tons of paper/day 600 tons of metal, glass and plastic/day
New York City GarbageNew York City Garbage
Where does New York City Garbage go? What are New York City’s garbage disposal
options?
Water Treatment Plant ProjectWater Treatment Plant Project
Goal: Design, build, operate, and automate a miniature drinking water treatment plant.
Here's your chance to develop your engineering skills!
Logistics – section constraints Max of 16 students per section Need to split into 2 sections New section time on Friday afternoon
12:20 – 2:15 1:25 – 2:20 2:30 – 4:25
Goal: Design, build, operate, and automate a miniature drinking water treatment plant.
Here's your chance to develop your engineering skills!
Logistics – section constraints Max of 16 students per section Need to split into 2 sections New section time on Friday afternoon
12:20 – 2:15 1:25 – 2:20 2:30 – 4:25
Review schedule
Could NYC get its water from the rainfall on the City?
Could NYC get its water from the rainfall on the City?
Annual Rainfall ____________
NYC consumption ___________________5.3 billion liters/day5.3 billion liters/day
1 m/yr1 m/yr
NYC area ___________________800.0 km2800.0 km2
How could we convert the consumption into a velocity with units of m/yr?
5 3 10 1800
11 10
365 252 4
6 3
2
2
6 2
. .. /
mday km
kmm
dyr
m yr