General Biogas Presentation


Published on


Published in: Technology, Business
1 Like
  • Be the first to comment

No Downloads
Total views
On SlideShare
From Embeds
Number of Embeds
Embeds 0
No embeds

No notes for slide
  • General Biogas Presentation

    1. 1. Capstone MicroTurbine ® Energy Solutions A presentation by Capstone Turbine Corporation ®
    2. 2. Microturbine Vertical Applications Best Value for Onsite Energy Generation CCHP CHP Resource Recovery Secure Power Resource Recovery
    3. 3. Topics to be Covered <ul><ul><li>Biogas Resource Recovery </li></ul></ul><ul><ul><li>Capstone Overview </li></ul></ul><ul><ul><li>Microturbine Overview </li></ul></ul><ul><ul><li>Gas Conditioning </li></ul></ul><ul><ul><li>System Maintenance </li></ul></ul><ul><ul><li>Example Biogas Sites </li></ul></ul><ul><ul><li>Questions & Answers </li></ul></ul>
    4. 4. What is Biogas Resource Recovery? <ul><li>Using otherwise flared gas as fuel for onsite power generation </li></ul><ul><ul><li>May have low Btu content (as low as 350 Btu/scf) </li></ul></ul><ul><ul><li>May have “sour” content (H 2 S) </li></ul></ul><ul><li>Biogases from </li></ul><ul><ul><li>Landfills • Wastewater treatment • Livestock • Food processing </li></ul></ul>
    5. 5. Capstone Biogas-to-Energy: A Proven Fit <ul><li>Ultra-low NOx emissions without any post-combustion devices or chemicals </li></ul><ul><li>Low scheduled maintenance, low noise, low weight, small footprint, no vibration </li></ul><ul><li>Multipac scalability from 30 kW to a megawatt or more </li></ul><ul><li>UL2200 classified “Biogas-Fueled Engine Generator” </li></ul><ul><li>UL1741 certified national grid interconnect </li></ul><ul><li>Only one moving part, with no oil, antifreeze, other hazmats or water needs </li></ul><ul><li>Wide array of control & dispatching options </li></ul>A C30 with heat recovery operating on biogas at a Japan dairy farm
    6. 6. MicroTurbine Tax Credit in 2006 <ul><li>The new National Energy Policy provides a 10% investment tax credit to companies that begin using microturbines after January 1, 2006 </li></ul><ul><li>Includes balance of plant costs up to a tax credit total of $200/kW </li></ul><ul><li>Also calls for per-kWh production credit for biogas-fueled renewable power exported to the grid </li></ul><ul><li>Additional incentives available for at each state level </li></ul>
    7. 7. Capstone: A Big Small Company <ul><li>Founded 1988 </li></ul><ul><li>First to introduce microturbine energy products ten years later </li></ul><ul><li>100% microturbine focused </li></ul><ul><li>The world leader in microturbines </li></ul><ul><ul><li>>5,000 30/60/65-kW production units sold and shipped </li></ul></ul><ul><ul><li>3 rd and 4 th generation products </li></ul></ul><ul><li>ISO 9001:2000 UL-certified </li></ul><ul><li>ISO 14001 certified </li></ul><ul><li>Offices in NYC, LA, Mexico City, England, Shanghai & Tokyo </li></ul>18,000,000+
    8. 8. Inside the Capstone MicroTurbine
    9. 9. <ul><li>One moving part: TurboGenerator shaft </li></ul>Simple: One Moving Part <ul><li>Air bearings (patented) </li></ul><ul><ul><li>No oil or lubricants, ever </li></ul></ul><ul><li>Proven reliability </li></ul><ul><ul><li>>18 million hours of operation </li></ul></ul><ul><li>Air cooled </li></ul><ul><ul><li>No anti-freeze or coolants, ever </li></ul></ul>Air Foil Shaft Spring
    10. 10. Foil/Air Gas Bearings Spring Foil Shaft
    11. 11. Air Bearings Spring Foil Shaft <ul><ul><li>When the shaft rotates at around 20,000 RPM, </li></ul></ul><ul><ul><li>a boundary layer of air will form between the foils and the shaft. </li></ul></ul><ul><ul><li>This layer of air will effectively lift the foils up and away from the shaft. </li></ul></ul><ul><ul><li>The springs provide counterforce to the foils and air, effectively keeping the shaft centered on it’s cushion of air. </li></ul></ul><ul><ul><li>After lift-off there is no metal-metal contact in the bearing, hence no friction and no wear. </li></ul></ul><ul><ul><li>The only wear and tear occurs during starting and stopping the MicroTurbine. </li></ul></ul>Boundary Air
    12. 12. <ul><li>Self-contained Power Generation </li></ul><ul><ul><li>30 kW & 65 kW base platform </li></ul></ul><ul><ul><li>Zero hardware multipac array </li></ul></ul><ul><li>One moving part! </li></ul><ul><li>“ Electronic” Gearbox </li></ul><ul><li>Voltage Output </li></ul><ul><ul><li>400-480 VAC 3 phase </li></ul></ul><ul><ul><li>4-wire wye </li></ul></ul><ul><ul><li>50 or 60 Hz </li></ul></ul><ul><li>Noise level 70dBA at 10 meters </li></ul><ul><li>Size 30” W, 77” D, 83” H </li></ul><ul><li>Optional stainless steel integrated HX </li></ul>System Overview
    13. 13. Hot Water CHP with the CR65-ICHP <ul><li>65% System Efficiency </li></ul><ul><li>250,000 BTU/hr heat recovery </li></ul>
    14. 14. Capstone Products C30 & C65 C65 CHP Available with gas & liquid fuels C200 & C200 CHP
    15. 15. UL2200 & UL1741 Listed for Biogas <ul><li>Biogas-fueled Capstone 30-kW and 65-kW MicroTurbines are the ONLY generators of any type certified to the new 2006 UL 2200 standard for biogas-fueled engine generators </li></ul><ul><li>They are also UL-Listed to the 1741 national grid interconnect standard </li></ul><ul><li>Capstone MicroTurbines were also the first generators of any type state-approved by New York and by California (“Rule 21”) for direct-to-grid interconnection </li></ul>
    16. 16. Gas Quality Required <ul><li>Calorific Value (gas energy) </li></ul><ul><ul><li>Min 35% methane (~350 BTU/ft 3 ) </li></ul></ul><ul><li>Dry (unsaturated gas) </li></ul><ul><li>Inlet pressure ~80 psig </li></ul><ul><li>Minimal Siloxanes </li></ul><ul><ul><li>< 5 ppb (non-detect level) </li></ul></ul><ul><li>Low Hydrogen Sulfides (H 2 S) </li></ul><ul><ul><li>< 5,000 ppm </li></ul></ul>
    17. 17. Biogas – Gas Conditioning System [generic representation]
    18. 18. Biogas – Gas Conditioning Skid Front
    19. 19. Gas Quantity Required <ul><li>How much biogas production is needed to operate 1 microturbine? It Depends…. </li></ul><ul><ul><li>@ 40% Methane (CH 4 ) </li></ul></ul><ul><ul><ul><li>CR30 – 24 scfm </li></ul></ul></ul><ul><ul><ul><li>CR65 – 40 scfm </li></ul></ul></ul><ul><ul><li>@ 60% Methane (CH 4 ) </li></ul></ul><ul><ul><ul><li>CR30 – 15 scfm </li></ul></ul></ul><ul><ul><ul><li>CR65 – 28 scfm </li></ul></ul></ul>Two C30s and a heat exchanger at a WWTP in Banning, CA
    20. 20. <ul><li>Microturbine service </li></ul><ul><ul><li>4,000 hr general inspection </li></ul></ul><ul><ul><li>8,000 hr replacement </li></ul></ul><ul><ul><ul><li>Air Filter, Fuel Filter, Igniter </li></ul></ul></ul><ul><ul><li>20,000 hr replacement </li></ul></ul><ul><ul><ul><li>Injectors, TET thermocouple </li></ul></ul></ul><ul><li>Gas Conditioning Skid </li></ul><ul><ul><li>Compressor oil & filter change </li></ul></ul><ul><ul><ul><li>3-4 times per year </li></ul></ul></ul><ul><ul><li>Siloxane media change outs </li></ul></ul><ul><ul><ul><li>2-3 times per year </li></ul></ul></ul>System Maintenance
    21. 21. Digester Gas Renewable Energy <ul><li>Primarily wastewater treatment plants </li></ul>
    22. 22. Wastewater Treatment Plants <ul><li>Easily scalable for facilities processing 0.5 to 50+ MGD </li></ul><ul><li>Excellent cogeneration fit </li></ul><ul><ul><li>Microturbine exhaust heat supports digester temperature </li></ul></ul><ul><ul><li>Far simpler and more efficient thermal recovery than recips </li></ul></ul><ul><li>Eliminates odors </li></ul><ul><li>Reduces/eliminates flaring </li></ul><ul><li>A clean, sustainable source of renewable energy </li></ul>Two C30s and a heat exchanger at a WWTP in Banning, CA
    23. 23. Santa Margarita WWTP <ul><li>Mission Viejo, CA </li></ul><ul><li>120-kW array </li></ul><ul><li>Plan to add two CR65s </li></ul><ul><ul><li>Heat Energy - Sludge drying </li></ul></ul>
    24. 24. Sheboygan WWTP <ul><li>Sheboygan, WI </li></ul><ul><li>10 C30 Microturbines </li></ul><ul><ul><li>300 kW array </li></ul></ul><ul><li>Saves city over $70,000/yr </li></ul><ul><li>Cut plant’s electric and NG costs by 40% </li></ul>
    25. 25. Albert Lea WWTP <ul><li>Albert Lea, MN </li></ul><ul><li>4 C30 Microturbines </li></ul><ul><ul><li>120 kW array </li></ul></ul><ul><li>To be featured in Distributed Energy mag (Oct 2006 issue) </li></ul>
    26. 26. Lewiston, NY <ul><li>Lewiston Water Pollution Control Center, NY (near Niagara Falls) </li></ul><ul><li>Operating for over 5 years </li></ul><ul><li>Two biogas C30s + 3 rd party HX </li></ul><ul><li>NYPA funded $125,000 </li></ul><ul><li>NYPA Chairman Louis Ciminelli: “Running this facility with cleaner, greener power improves air quality and saves taxpayers money.” </li></ul><ul><li>Replacing with CR65 in six mos. </li></ul>
    27. 27. Landfill Gas Renewable Energy <ul><li>More than 100 LFG-fueled Capstones worldwide </li></ul>&quot;Project of the Year&quot; – US EPA, LMOP
    28. 28. Landfill Installations in California <ul><li>California leads the nation in microturbines at landfills </li></ul><ul><ul><li>Total of 70 LFG-fueled Capstone MicroTurbines installed in SoCal </li></ul></ul><ul><li>Below: 10-unit array at Calabasas running 4 yrs with >90% turbine availability (this site was featured in several SWANA whitepapers) </li></ul><ul><li>A project of the Los Angeles County Sanitation Districts and the South Coast Air Quality Management District </li></ul>
    29. 29. Several Midwest Projects Twenty Four C30s at the Sauk County landfill in Wisconsin Ten C30s at the Glacier Ridge landfill in Wisconsin Twelve C30s providing LFG-fueled power and exhaust-heated water at Antioch High School north of Chicago &quot;Project of the Year&quot; – US EPA, LMOP
    30. 30. Flare or Vent Gas Elimination <ul><li>Use flare or vent gas to generate on-site power or heat </li></ul><ul><ul><li>Reduces power utility costs </li></ul></ul><ul><ul><li>Eliminate flare or vent emissions </li></ul></ul><ul><ul><li>Eliminate emissions credits or fines </li></ul></ul>
    31. 31. Questions & Answers