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Welcome to ENGRI 113!

Water Treatment Design. Welcome to ENGRI 113!. S. S. 3. 2. S. 1. S. 4. Q. T. Clearwell. Clean. S. S. S. m. 1. 5. 5. 5. Water. p. 1. Introductions…. Raw Water. Raw Water. Flocculation. Flocculation. Sedimentation. Sedimentation. S. S. S. S. 3. 3. 2. 2. S. S.

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Welcome to ENGRI 113!

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  1. Water Treatment Design Welcome to ENGRI 113! S S 3 2 S 1 S 4 Q T Clearwell Clean S S S m 1 5 5 5 Water p 1 Introductions… Raw Water Raw Water Flocculation Flocculation Sedimentation Sedimentation S S S S 3 3 2 2 S S 1 1 alum alum Instructor: Monroe Weber-Shirk Teaching Assistants:Taylor, Alissa, Chris S S 4 4 Q Q T T Clearwell Clean m m 1 1 Water p p 1 1

  2. Course Logistics • Homework due in section or by email 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 • I’ll assign you to teams by the end of the week

  3. Resources... • Teaching Assistants • Course web site • ceeserver.cee.cornell.edu/mw24/engri113/ • Course schedule • Course notes • Homework assignments (and solutions eventually) • Readings

  4. Environmental Engineering • Protecting the environment from the potentially deleterious effects of human activity • Improving environmental quality for human health and well-being teams 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 Global and Local implications

  5. 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

  6. Environmental Engineering Tasks between 2010 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

  7. Environmental Engineering Tasks between 2010 and 2050 • Water shortages – reduce, reuse, recycle • Pharmaceuticals in wastewater • Contaminated site remediation • Waste minimization • Environmental Ethics/Justice

  8. Water Treatment Design • 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? • NYC • Small Communities in Honduras Case study: NYC

  9. Major World Cities(Metropolitan Areas) "Th. Brinkhoff: Die größten Agglomerationen und Städte der Welt, http://www.citypopulation.de/index_d.html , 11.05.2002"

  10. New York City Metropolitan Area

  11. * Take a guess… New York City Statistics • Population ________ • Area ________ 310 sq mi • Pop. Density ________ 23,700/sq mi • Water consumption ____ liters/person/day 7.3 million 800.0 km2 9100/km2 590

  12. New York Water Consumption • 1.4 billion gallons/day • 5.3 billion liters/day • 590 liters/person/day • ___ m3/s 58 3.9 m

  13. New York City Water • Where does the water go when it “goes down the drain” • Where does New York City’s water come from? • How does the water get to all the buildings? Could NYC get its water from the rainfall on the City? Solution

  14. 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?

  15. 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

  16. Could NYC get its water from the rainfall on the City? 1 m/yr ??? Annual Rainfall ____________ NYC consumption ___________________ 5.3 billion liters/day 800.0 km2 NYC area ___________________ How could we convert the consumption into a velocity with units of m/yr?

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