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Case studies converting existing boilers to liquid biofuels to meet sustainability goals

International District Energy Association | June 2019. Case studies converting existing boilers to liquid biofuels to meet sustainability goals. by Dan Wallace, PE. 2019 Case Studies Converting Boilers to Liquid Biofuels. Motivation Liquid Biofuel Solutions Case Studies.

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Case studies converting existing boilers to liquid biofuels to meet sustainability goals

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  1. International District Energy Association | June 2019 Case studies converting existing boilers to liquid biofuels to meet sustainability goals by Dan Wallace, PE

  2. 2019 Case Studies Converting Boilers to Liquid Biofuels Motivation Liquid Biofuel Solutions Case Studies

  3. Central Plant GHG Emissions Reduction Many Facilities are looking to reduce fuel usage and benefit from the positive PR of also reducing emissions. American College & University Presidents' Climate Commitment (ACUPCC) Concern for the effects of Carbon Emissions has never been higher. Ïı Ï

  4. Central Plant GHG Emissions Reduction Options Increase efficiency of existing operations (high efficiency burners, modern controls and/or VFDs) Convert from oil or gas to a biogenic fuel like landfill gas or digester gas. Convert from oil or gas to a biogenic fuel like wood waste. Other options are available - convert to biogenic renewable liquid fuels.

  5. Typical GHG “life cycle“ GHG Factors for Combustion

  6. Liquid Biofuel Options RFOTM BROTM Others Produced by Ensyn Fuels Produced by Renewable Energy Group Typically priced lower than Natural Gas and other fossil fuels. Requires higher capital cost for equipment retrofit than other liquid fuels. Typically competitively priced with liquid fossils fuels such as #2 and #6 oil. Requires relatively low to no equipment modifications to burn. B100, B20, etc…

  7. What is RFOTM?

  8. What is RFOTM? • RFO Specification Sheet

  9. Typical RFOTM Conversion

  10. Current RFOTM Users • Memorial Hospital • Youngstown Thermal • Bates College

  11. What is BROTM?

  12. Memorial Hospital | North Conway, NH

  13. Youngstown Thermal

  14. Youngstown Thermal Retrofit

  15. Youngstown Thermal Fuel Delivery System

  16. Youngstown Thermal MCC, BMS, and Boiler Controls

  17. Bates College | Lewiston, Maine

  18. Bates College

  19. Bates College

  20. Burner Assembly – 29.4 MMBTU per hour

  21. Fuel Delivery Skid & Storage Tank • Double wall storage tank (20,000 gallon of capacity) • High- and low-level alarms • Flame Arrestor • Conservation vent • Duplex pumps & strainers • Heat exchanger • Motor control center • Instrumentation • Recirculation valving • Separate fuel unloading skid

  22. Preferred Utilities Manufacturing Corp. | Danbury, CT – BRO | Case Study

  23. Preferred Utilities Manufacturing Corp. | Danbury, CT – BROTM | Case Study Utilized existing fuel oil storage tank and handling system.

  24. 2019 IDEA Renewable Oil Summary • Motivation • Greenhouse gas emissions • Solutions • RFOTM –liquid fuel • BROTM –liquid fuel • Case Studies • Bates College • Youngstown Thermal • Memorial Hospital • Preferred Utilities Manufacturing

  25. Thank you Questions? International District Energy Association | June 2019 Dan Wallace, PE Vice President, Preferred Utilities Manufacturing Corporation dwallace@preferred-mfg.com

  26. For more info, contact... PREFERRED UTILITIES MFG CORP 31-35 South St. • Danbury • CT T: (203) 743-6741 • F: (203) 798-7313 www.PREFERRED-MFG.com

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