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Environmental Engineering Linking Microbiology to Engineering. Dr. Abbazadegan Graduate Students : Lauren McBurnett and Otto Schwake. You are on the beach. Tempe Town Lake. What water would you drink?. ?. Environmental Engineers. Pretend you are environmental engineering experts

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Environmental engineering linking microbiology to engineering

Environmental EngineeringLinking Microbiology to Engineering

Dr. Abbazadegan

Graduate Students: Lauren McBurnett and Otto Schwake





Environmental engineers
Environmental Engineers

  • Pretend you are environmental engineering experts

  • Your job is to design a treatment process that will allow you to drink the water at Tempe Town Lake


What needs removed from the water
What needs removed from the water?

  • Large contaminants

  • Medium contaminants

  • Small contaminants


Large contaminant removal
Large Contaminant Removal

  • How can you remove the large contaminants?



Medium contaminant removal
Medium Contaminant Removal

  • How can you remove the dirt from the water?



Small contaminant removal
Small Contaminant Removal

  • What about the dirt and oils that did not settle in the gravity settling basin?



Why is turbid water a problem
Why is turbid water a problem?

  • Measured in terms of Nephelometric Turbidity Units (NTU)


Small contaminant removal1
Small Contaminant Removal

  • How can you remove turbidity?



Small contaminant removal2
Small Contaminant Removal

  • How can you remove the flocs that formed during coagulation and flocculation?



Small contaminant removal3
Small Contaminant Removal

  • How can you remove the particles that did not join flocs or those that did join flocs but were not heavy enough to sink?

  • What about removing odor?






Small contaminant removal4
Small Contaminant Removal

  • How can you remove the microbes from the water?




Environmental engineers1
Environmental Engineers

  • Your next job is to design a treatment system to filter Tempe Town Lake and other unknown dirty water samples


Filtration design questions
Filtration Design Questions

  • What is filtration?

  • What types of filtration are there?

  • What is filtered out during filtration?

  • What factors are used to define what is filterable?


Filtration engineering and design
Filtration Engineering and Design

Before Coming to ASU

Incomplete Materials List

Coarse Aggregate

Fine Soil

Container

  • Design a filter

  • In groups of 3 or 4


Filtration engineering and design1
Filtration Engineering and Design

While at ASU

Scoring

Categories

Highest Microbial Removal

Most Effective Odor Removal

Most Effective Color Removal

Lowest Cost

Overall Winner

Highest score in microbiological, odor and color categories versus the cost of the filter

  • Test your filter’s ability remove

    • Odor

    • Turbidity

    • Microbes

    • Chemicals

    • Color


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