Solving Environmental Problems for Urban Regions S 1 Raw Water alum QT S 2 S 4 m 1 S 3 Flocculation Sedimentation p 1 S 5 Clearwell Clean Water S 1 S 1 Raw Water alum QQ TT S 2 S 2 S 4 S 4 m 1 m 1 S 3 S 3 Flocculation Sedimentation p 1 p 1 S 5 S 5 Clearwell Clean Water Welcome to ENGRI 113! Instructor: Monroe Weber-Shirk Teaching Assistants: Laura, Jacob, Ted, Brianne Introductions…

Course Logistics  Homework due in section or by by 5 p.m. on the day listed on the syllabus  Teams for homework and for drinking water treatment plant  Fill out survey form today if you haven’t yet

Resources...  Teaching Assistants  Course web site   Course schedule  Course notes (as they are completed)  Homework assignments (and solutions eventually)  Readings

Environmental Engineering  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 CO 2 we emit...  Clean (and convenient!) drinking water  Clean air  Clean wastewater  Clean soil teams

Let me tell you about the world I’d like to see  First, I would like to see the water, ground, and air not polluted. As in, not having chemicals dumped in somehow. Like, for the air, no burning plastic or Styrofoam. For the water, no trash or oil being dumped in. For the ground, no littering, and for the air, no smog or smoke.  Second, no endangered species, no animal over population, when trees are cut another is planted in its place, and I would also like no more rainforest cutting.  Third, for people, I would like to see more kindness, cooperation, and more respect for the world we share.  That is the world I would like to see. Coby Weber-Shirk (age 7) 2003

Environmental Engineering Tasks between 2007 and 2050  Safe drinking water for everyone  Wastewater treated before discharge to the environment everywhere  Public policy: politicians or advisors to politicians  Maintaining and upgrading the infrastructure

Environmental Engineering Tasks between 2007 and 2050  Water shortages – reduce, reuse, recycle  Pharmaceuticals in wastewater  Contaminated site remediation  Waste minimization  Environmental Ethics

Solving Environmental Problems for Urban Regions  Water supply  Where does the water come from?  How much water is needed?  How does it get to the cities?  Is the water safe to drink?  How is the water purified?  Solid waste management  How much garbage do we produce?  Where is it all going?  What are the alternatives? Case study: NYC

Major World Cities (Metropolitan Areas) "Th. Brinkhoff: Die größten Agglomerationen und Städte der Welt, "

New York City Metropolitan Area

New York City Statistics  Population________  Area________310 sq mi  Pop. Density________23,700/sq mi  Water consumption ____ liters/person/day 7.3 million km /km Take a guess… *

New York Water Consumption  1.4 billion gallons/day  5.3 billion liters/day  590 liters/person/day  ___ m 3 /s m

New York City Water  Where does New York City’s water come from?  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? Solution

Drinking Water Treatment for NYC?  Sierra Club: “City would spend 1.5 billion [to build a filtration plant] instead of protecting Croton watershed”  NYC Department of Environmental Protection: “Of the 7,400 surface drinking water supplies in the U.S. at least 7,310 have filtration plants designed to insure that the water these systems provide to their consumers is safe.”  ENGRI 113: What do you think?

Water 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  Form teams  Max of 4 teams per section Review schedule syllabus Drivers for field trip?

Could NYC get its water from the rainfall on the City? Annual Rainfall ____________ NYC consumption ___________________ 5.3 billion liters/day 1 m/yr NYC area ___________________ km 2 How could we convert the consumption into a velocity with units of m/yr? ???