Transcript A Tour of Denver Water - Home

A Tour of Denver Water
Daniel Cromer
Kellene McKinney
Kristen Potter
Lynn Pruisner
Alex Ream
Pam Morse, TA
Introduction to Chemical Engineering
Group 6—April 11, 2007
Water—A Universal Product
70% of the earth is covered with water.
Water—A Universal Product
70% of human body mass is water.
Water—A Universal Product
The average consumption is
168 gallons per day per person.
Water—A Universal Product
Water is necessary—everyone needs it!
The Water “Business”
Collection
Purification
Distribution
Future Planning
Source Water Collection
Mountain Snowmelt*
Streams & Rivers
Dams
Reservoirs
Recycled Water
Purification
From Mountain Top to Tap
Removing Contaminants
Potable & Nonpotable Water Standards
Turbidity (3000.3)
Distribution
Complex Network of Pipes Deliver to
Homes
Businesses
Industry
Fire Hydrants
Denver Water
Denver Metro Area
Water Service provided by
A Brief History of Denver Water
Colorado’s Oldest and Largest
Established 1918 when
Denver Union Water System
was purchased for $14 Million
Fun Facts about Denver Water
2,631 miles of pipeline
34 Underground Reservoirs
Fill INVESCO Field 2x per day
Serves 25% Colorado Population
15,000 Fire Hydrants
Denver Water People
Controls Engineer*
Electrical and Civil Engineers*
Water Treatment Technician
Water System Operator
Dillon Reservoir Caretaker
Ground Laborers
Human Resource Specialist
Denver Water Facilities
Main Plants
Marston, Moffat, Foothills
Recycle Plants
Commerce City
Completed 2004—$180 Million
What is a Recycle Plant?
Process Lower Quality Source
Efficient Production for Nonpotable Uses
Reuse Metro Wastewater
Mediates Drought Problems
Popular Worldwide
Denver Water Recycle Plant
“The Purple Pipes”
Saves Money and Potable Water
Customers: Xcel, Denver Zoo, Golf
Courses
Model Recycle Plant for Cutting-Edge
Water Treatment
Analysis Lab
On-site and Fully Equipped
Accessible Samples—Any Stage
Organic and Inorganic Analysis
Control Room
24/7/365.25
Computer Controlled
Full Monitoring:
Data, Trends, Video
Security
Location and Layout
Commerce City, CO
Near Large Industries
Platte River
Linear Flow
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Source Water
Metro Wastewater Collected
pH Balanced with NaOH
Ammonium Hydroxide added as
nutrient for bacteria
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Biological Filters
Bio-Bacteria
Sodium & Ammonia  Nitrates
Watch what you put in!
Disturbed biomass shuts down the plant
for a week while they replenish
themselves.
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Mixing/Particle Removal
Alum—Coagulant
Coagulates small particles
Open to the air
Often have fish and or ducks in the
water
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Flocculation
This process rids the water of most
large particles including the alum.
Inside and covered
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Sedimentation
Remove any large particles
that made it through
flocculation.
(Fish, Light Particles)
Everything was covered in
a layer of rust.
(Not everything filtered)
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Filters
Filters out the very small particles
left in the water to make extremely
clear water (turbidity < 0.5)
Made of anthracite (a very hard pure
form of coal)
Troughs spread the water out so that
the filter is used evenly
Recycle Plant Process
Collection
Bio Process
Coagulate
Flocculation
Sedimentation
Filter
Disinfect
Storage
Disinfect and Store
Chlorine disinfects water
Stored in large (300 x 23 ft) round
storage tanks.
11 million gallons
Stored under parks or other large open
spaces
Pumped out to customers
Impressive Plant
Beautiful architecture
Everything color coated
Cleanliness a priority
Separate buildings keep things organized
and cost efficient
Future Planning
Changing Quality Standards
High Security/Safety
Bad Chemicals: Unsafe water in Denver
homes and establishments
Future Planning
Limited Potable Water
Multiple Water Mains
Conservation and Education
Note: Use only what you need!
Constant Expansion
2007
Pump Station, Distribution Pipes, Storage Facilities
2010
Additional Water Mains
Conclusion
Potable or nonpotable, the water is clean!
Thank you!
Acknowledgements
Denver Water
Pam Morse
CHEN 1300
University of Colorado