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Hydrogen Fueling Station: St. Louis . Kyle Terry Tibben Zerby Tory Carlsen Zack Tomechko. A Hydrogen City . The objective was to take a city and make convert it from a petroleum run city to a 100% hydrogen and natural gas fueled city.

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Hydrogen fueling station st louis

Hydrogen Fueling Station: St. Louis

Kyle Terry


Tory Carlsen

Zack Tomechko

A hydrogen city
A Hydrogen City

  • The objective was to take a city and make convert it from a petroleum run city to a 100% hydrogen and natural gas fueled city.

  • Fueling stations that fit the needs for the population of the city was the main objective.

  • The Stations had certain specifications:

    • Both 700 BAR and 350 BAR pump

    • HCNG Fuel available at the station as well

    • Had to have a hydrogen supply and storage method

    • Safety, Environmental Impact and Economic Availability also had to be considered.

Station location st louis
Station Location: St. Louis

  • St. Louis Population~360,000

    • Major U.S. City but not too large.

  • Located on the Mississippi River.

    • Great source of hydroelectric power to offset the cost to run the fueling stations

Station location st louis1
Station Location: St. Louis

  • Has an existing hydrogen producing plant and dispensing station.

    • Easy to access hydrogen needed to fuel the stations.

  • ~80% of commuters drive their own vehicles to work

    • Larger need for 350 BAR

    • Average commute time is 25.4 minutes

Commuting population
Commuting Population

  • 11% age 65 or older

  • 22.3% under 18 appx 19.8% under 16

  • Take these amounts out of population, and assume drivers over 65 will offset with those who do not commute

  • Commuting Population = 250,000 by our estimate

Hydrogen vehicles
Hydrogen Vehicles

  • Personal vehicles

    • Average 60 miles/kg

    • Average range of 300 miles

    • ~5 kg each week per car based on the average commute time

      • Fill up once every week on average

  • HOVs

    • Fill up once per day, with an estimated amount to keep the pumps at max capacity

Fueling stations plan
Fueling Stations Plan

  • Estimated number of stations in the city

    • 22 stations

    • ~ 1station every 3 square miles

    • Price per station ~$18,523,742

    • Total cost ~ $408 Million

  • Each station will have

    • 10 fuel pumps at 350 BAR

    • 2 fuel pumps at 700 BAR

    • All the amenities most gas stations have

      • Restrooms

      • Snacks and drinks

      • ATM

Fueling stations
Fueling Stations

  • Supply and delivery method

    • Pipeline from the production plant located near the Mississippi River

    • Trucks will also help offset the need in isolated booms and times of high demand.

Fueling station
Fueling Station

  • Hydrogen produced through electrolysis, so the water cycle will not be upset

  • Storage method

    • The pipeline will lead right to the pressurized storage tank underneath the gas station

    • Trucks will pump the hydrogen into the same tanks beneath the station.

Energy production
Energy Production

  • We calculated that we need 23,227 kwh per day per pump through the guide placed on angel

  • We have 264 pumps

  • Total energy equals 6,131,862 kwh per day

  • How will we harvest this energy?

Hydrogen fueling station st louis

Hydroelectric Dams

  • Upper St. Anthony’s Dam

  • Near the headwaters of the Mississippi in Minnesota

  • The model for our dam

Photos: Upper- www.johnweeks.com

Lower- earthsci.org

Hydropower dam
Hydropower Dam

  • Construct a dam just northof St. Louis.

  • The dam will be 50 feet high and at this point in the river, the river flows at 55,000 cubic ft/s and our dam’s efficiency is 80%

  • 21,560kw per hour, 517,440kwh per day, and 188,860,000 kwh per year.

  • With our dam we will be able to support 23 pumps, 8.4% of them

Pros and cons of hydropower
Pros and Cons of Hydropower

  • Pros

    • Energy Efficient

    • Low maintenance

    • Low cost after built

    • Durable, long lasting

    • Clean energy

    • Dam can store rain water for droughts

  • Cons

    • Steep first cost

    • Hazard, could cause flooding

    • Changes environment

    • Blocks sediment deposits

    • Can break and cause catastrophic disaster

      • Johnstown PA 1889

Hydrogen fueling station st louis

  • We still have 5,614,000 kwh per day to harvest for 241 remaining pumps.

  • We will attempt to harvest the remaining through wind

  • Traditional turbines take up space

    • Fields near city not even close to enough area

      • farmers are often unwilling to sell land anyway

    • 640 acres per square mile

      • 40-50 acres per 2 Mw turbine according to Angel resources

Vertical axis wind turbines
Vertical Axis Wind Turbines

  • Take up less space than a traditional turbine

  • Can be placed on top of a home

  • Our plan: give a certain number of

    homes in the city a wind turbine, promising

    to pay for a portion

  • Each turbine creates 1454 kwh per day

  • We calculated a total of 586 wind

    turbines would be reasonable

  • Cost is roughly $10 million

    • Government rebates reduce cost to $5 million

Vertical axis wind turbine
Vertical Axis Wind Turbine

  • They will generate a total of 852,000 kwh per day

    • 310,996,000 kwh per year

  • This equals 14% of our energy need, or 37 pumps

  • We now have 22.4% of our needed energy by renewable sources


  • Safety

    • Fire Hazard

      • Very hard to detect with the naked eye because it burns in the ultraviolet range.

    • Explosion Hazard

      • The hydrogen is stored at high pressures.

      • Over pressurizing tanks can cause them to burst

        • Projectile hazards

        • Combustion hazard

        • Inhalation hazard

          • Leads to Asphyxiation


  • Environmental Footprint

    • Hydrogen vehicles have zero harmful emissions

      • They emit only water vapor

    • The energy needed for electrolysis would be offset by the hydroelectric power from the dam on the Mississippi.


  • Flooding

    • Dams cause flooding, and flooding is already very common in the Mississippi valley

C ost

  • Population 360,000,

  • Driving population 250,000

  • 22 Stations

    • Roughly 1 station every 3 square miles

      • 10 350bar pumps

      • 2 700bar pumps

    • No production at stations

  • Price per station $18,523,742

  • Total Cost $408 million

St louis a hydrogen city
St. Louis: A hydrogen city

  • With today’s technology there is no way to support the cost of the production and distribution of the hydrogen sustainably

  • It can be done, but using the prevalent outdated power sources of today

  • One positive is that It does eliminate all emissions from vehicles

  • Immediate implementation may not be possible, but perhaps over a large period of time a city could be fully converted

What we learned
What We Learned

  • To make a system efficient and run properly every finite detail must be considered and analyzed.

  • A hydrogen city is possible, but not in a 100% renewable manner.

  • As engineers, we need to continue to work on improving technology and efficiency to reach our final goal: sustainability


  • www.stlrcga.org/x1832.xml

  • http://new.wvic.com/index.php?option=com_content&task=view&id=8&Itemid=45

  • Helixwind.com

  • www.fueleconomy.gov/feg/fuelcell.shtml

  • US Census Bureau


  • http://rnahydropower.com/Calculation%20Of%20Hydro%20Power.pdf

  • www.metric-conversions.org/area/square-miles-to-acres.htm

  • Air Products

  • We also were allowed the use of several resources on Penn State’s Angel