Food Waste Composting - Montgomery County - Opportunities and Obstacles April, 2011

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  • Approximately 4,000 ton were composted in FY 2010 (champions such as Whole foods, private schools, etc)
  • Schools; 0.35 Lbs/meal Inmates; 1 lb/day Supermarket; 3,000 lbs/employee/year Fast food and full restaurants: 4250 lb/employee/year It does not include: Private schools, colleges, universities, institutions, retailers, hotels
  • SSO; securing a supply commercial SSO materials
  • SSO; securing a supply commercial SSO materials
  • Z-Best facility: windrows are 10-14 feet in diameter and 350 feet in length Cedar grove facility: Design capacity 160,000. It is ISO 14001 certified
  • Distance from MC 120 miles
  • Next door landfill $81 /ton
  • MDA/MDA some processors say is like having 2 road maps that do not aligned” MDE: discharge permit MDA: compost as a product
  • SSO; securing a supply commercial SSO materials
  • Food Waste Composting - Montgomery County - Opportunities and Obstacles April, 2011

    1. 1. Food Waste Composting Montgomery County Opportunities and Obstacles April, 2011
    2. 2. Agenda <ul><li>How much food waste? </li></ul><ul><li>Food waste composting perspectives: </li></ul><ul><ul><ul><ul><li>Generators </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Processors </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Collector </li></ul></ul></ul></ul><ul><li>MoCo food waste pilot project </li></ul>
    3. 3. How much food waste?
    4. 4. Food Waste Tonnage
    5. 5. Target Generators <ul><li>Percent of food waste in solid waste stream: </li></ul><ul><ul><li>Restaurants (80%), supermarkets (73%), Education (60%) </li></ul></ul><ul><li>Estimated tonnages generated by non-residential sector: </li></ul><ul><ul><li>Restaurants: 28,769 tons </li></ul></ul><ul><ul><li>Supermarkets: 14,014 tons </li></ul></ul><ul><ul><li>MCPS Schools: 5,301 tons </li></ul></ul>
    6. 6. Food Waste Composting Perspectives <ul><ul><li>Generators </li></ul></ul><ul><ul><li>Processors: Receiving facilities </li></ul></ul><ul><ul><li>Collectors: Hauling companies </li></ul></ul>
    7. 7. Lessons Learned Generators Perspective <ul><li>“Champions” strong commitment to the environment and readiness to explore food waste composting. Economics need to be favorable </li></ul><ul><li>Some view source separating their food waste as burden </li></ul><ul><li>Area limitations for new containers </li></ul>
    8. 8. Food Waste Composting Perspectives <ul><ul><li>Generators </li></ul></ul><ul><ul><li>Processors: Receiving facilities </li></ul></ul><ul><ul><li>Collectors: Hauling companies </li></ul></ul>
    9. 9. Lessons Learned Processors Perspective <ul><li>Cedar Grove . Everett, WA </li></ul>Cedar Grove . Everett, WA Z-Best. Gilroy CA Cedar Grove . Everett, WA
    10. 10. Lessons Learned Processors Perspective <ul><li>Advantages: </li></ul><ul><ul><li>More process control (temperature) </li></ul></ul><ul><ul><li>Less odor, leachate, vermin </li></ul></ul><ul><ul><li>Easier regulatory compliance </li></ul></ul><ul><ul><li>Short composting time </li></ul></ul><ul><ul><li>Better product quality </li></ul></ul><ul><ul><li>Fewer operational staff </li></ul></ul><ul><ul><li>Small footprint </li></ul></ul><ul><li>Disadvantages: </li></ul><ul><ul><li>Higher Capital Costs (preliminary info) </li></ul></ul><ul><li>Private sector is participating actively </li></ul>
    11. 11. Regional and Local Food Waste Composters Transfer Station
    12. 12. McGill Sussex Facility, Waverly, VA <ul><li>Enclosed System </li></ul><ul><li>Area: 20 Acres </li></ul><ul><li>Throughput: 130,000 t/y </li></ul><ul><li>Current: 180 t/d </li></ul><ul><li>Fee: $10 - $20 (food waste) </li></ul><ul><li>Open: 2005 </li></ul><ul><li>Open 6 days/week </li></ul><ul><li>300,000 cy soil builder </li></ul><ul><li>Investment: $20 M + land </li></ul><ul><li>Pre and post consumer food </li></ul><ul><li>Looking for a location in DC area </li></ul>
    13. 13. Peninsula Organics Wilmington, Delaware <ul><li>Area: 27 Acres </li></ul><ul><li>Capacity 250 t/d </li></ul><ul><li>Current: 180 t/d </li></ul><ul><li>Investment: $20 M </li></ul><ul><li>Distance from MC: 113 miles </li></ul><ul><li>Fee: $32 - $45 (food waste) </li></ul><ul><li>Open: Dec, 2009 </li></ul><ul><li>Contamination: No mandatory recycling Delaware </li></ul>
    14. 14. Peninsula Organics Wilmington, Delaware (Cont.) <ul><li>Covered Aerated Piles </li></ul><ul><ul><li>Gore-Tex </li></ul></ul><ul><li>Open 6 days/week </li></ul><ul><li>Compost class A </li></ul><ul><li>Viewed as a business model </li></ul><ul><li>Carbon credits from Chicago Climate Exchange </li></ul><ul><li>Investors are looking for 20 acres in the Baltimore-DC area </li></ul>
    15. 15. Recycled Green Carroll County <ul><li>Area: 30 Acres </li></ul><ul><li>Throughput: 150 – 175 t/d </li></ul><ul><li>Fee: $45 - $55 (food waste) </li></ul><ul><li>3.5 years of operation </li></ul><ul><li>Distance: 25 miles from MC </li></ul><ul><li>Open 6 days/week </li></ul><ul><li>Compost class A </li></ul><ul><li>Bates: main hauler </li></ul><ul><li>Pre and post consumer food </li></ul><ul><li>Plastic contamination </li></ul><ul><li>No odors complaints </li></ul><ul><li>No NOVs </li></ul>
    16. 16. TopSoil ETC., Inc Curtis Bay MD <ul><li>Distance from MC: 46 miles </li></ul><ul><li>Area: 14 acres </li></ul><ul><li>Processing: 20 t/d </li></ul><ul><li>Fee: $45 (food waste) </li></ul><ul><li>1 year of operation </li></ul><ul><li>Main issue: quality of material </li></ul><ul><li>Open 6 days/week </li></ul><ul><li>Capacity 500 t/d (278 t/d) </li></ul><ul><li>Future investment: 3.8 M </li></ul><ul><li>Haulers: WM and Bates </li></ul>
    17. 17. Will you take food scraps? Do you have the capacity to expand? “ Want to expand one more acre and are interested in accepting food residuals” - Arlington County We are exploring adding food waste to the composting operation. - Prince George’s County *The Institute for Local Self-Reliance, phone survey, April, 2010
    18. 18. Will you take food scraps? Do you have the capacity to expand? <ul><li>“ Not interested in this site to take food residuals, but maybe another site” - POGO Organics (MoCo) </li></ul><ul><li>“ The composting yard is near a sports field so if we can take over one of them…then maybe” - City of Greenbelt (PG) </li></ul><ul><li>“ No. Can’t have the vectors so close to the airport” - Loudoun Composting (Chantilly, VA) </li></ul><ul><li>““ There’s no space available” - City of Falls Church </li></ul><ul><li>Already collecting all non-food materials. Could start collecting food but that’s not something that could be done now – though there is interest among our residents. We have no room to expand” - City of College Park (PG) </li></ul>
    19. 19. Will you take food scraps? Do you have the capacity to expand? <ul><li>There is some existing capacity for grass and leaves, maybe 5-10K more per year” - Prince William County </li></ul><ul><li>“ Trying to expand but it’s a cost issue. Want to collect more yard waste and have put out an RFP’ - City of Alexandria </li></ul><ul><li>“ Can expand by promoting more backyard composting”- City of Manassas </li></ul><ul><li>“ Considering options so we could expand to year-round yard trim collection”- District of Columbia </li></ul>
    20. 20. Lessons Learned Processors Perspective <ul><li>There is not yet a reliable infrastructure </li></ul><ul><li>Only two facilities relatively near by MC </li></ul><ul><li>Price of waste disposal vs. composting </li></ul><ul><li>Regulations: MDA/MDE </li></ul><ul><li>Chesterfield Farm shut down, NPDES </li></ul><ul><li>Contamination issues </li></ul><ul><li>Strong private sector interest to invest, but need site to develop a large facility </li></ul>
    21. 21. Food Waste Composting Perspectives <ul><ul><li>Generators </li></ul></ul><ul><ul><li>Processors: Receiving facilities </li></ul></ul><ul><ul><li>Collectors: Hauling companies </li></ul></ul>
    22. 22. Lessons Learned Collectors Perspective <ul><li>Organic-niche hauling companies </li></ul><ul><li>“ Fastest growing line of business” </li></ul><ul><li>Hauling Economics </li></ul><ul><ul><li>Geography proximate to composting facility – 25 mile radius </li></ul></ul><ul><ul><li>Cost optimization </li></ul></ul><ul><ul><ul><ul><li>Route density </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Transfer station (consolidate load for longer haul) </li></ul></ul></ul></ul><ul><ul><li>Largest economic savings should come from trash services level e.g. size of dumpster, frequency of pulls </li></ul></ul><ul><ul><li>It is a challenge in MC where different collector services providers for trash/recycling / Source Separated Organics (SSO) </li></ul></ul><ul><ul><li>Trash collection fees compete with SSO collection and recovery </li></ul></ul>
    23. 23. Lessons Learned Collectors Perspective <ul><li>Challenges </li></ul><ul><li>Contamination of Source Separate Organics </li></ul><ul><ul><li>Quality of pre-consumer material is more consistent than post-consumer </li></ul></ul><ul><li>Education of generating site employees </li></ul><ul><ul><li>High staff turnover rates </li></ul></ul><ul><li>Distance to receiving facilities </li></ul><ul><li>Quick degradation of material </li></ul><ul><ul><li>Service must be provided on a more frequent/regular schedule </li></ul></ul><ul><li>Diversity of establishments </li></ul>
    24. 24. Montgomery County Food Waste Pilot Project <ul><li>Purpose </li></ul><ul><ul><li>To implement successful non-residential sector food waste composting program </li></ul></ul><ul><ul><li>To set up a model demonstration project that can be emulated by other businesses in the County </li></ul></ul><ul><ul><li>To lead by example </li></ul></ul><ul><li>Test Aspects </li></ul><ul><ul><li>Acceptable materials </li></ul></ul><ul><ul><li>Container options, storage area standards </li></ul></ul><ul><ul><li>Collection frequency, schedule, location </li></ul></ul><ul><ul><li>Transportation and equipment </li></ul></ul><ul><ul><li>Outreach, education and training needs </li></ul></ul><ul><ul><li>Reporting requirements </li></ul></ul><ul><ul><li>Permit and licensing requirements </li></ul></ul>

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