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Sustainability in an Urban Environment Through Anaerobic Digestion - Biocycle
 

Sustainability in an Urban Environment Through Anaerobic Digestion - Biocycle

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  • Legislation being considered by Congress will have a direct impact on generators of organic waste streams. 31.7M tons of Food Waste equates to over 1.2MW of power and more than 600 48KTPY Biogas Systems

Sustainability in an Urban Environment Through Anaerobic Digestion - Biocycle Sustainability in an Urban Environment Through Anaerobic Digestion - Biocycle Presentation Transcript

  • Sustainability in an Urban Environmentthrough Anaerobic DigestionBiocycle 2012, Portland, OR
  • Introducing EISENMANNEISENMANN is a leading internationalsupplier of general finishing environmental technology material handling & conveyor systems process and high-temperature technologyEISENMANN specializes in... plant engineering highly flexible systems integration market and technology leader for individual components and entire systems service provider with a broad service offering 2
  • Introducing EISENMANNEISENMANN offers … reference installations worldwide custom and modular solutions global services detailed system and process solutions top quality and reliabilityEISENMANN facts & figures … established in Stuttgart, Germany in 1951 12 locations worldwide US location Crystal Lake, IL since late 70‘s Global workforce of approx. 2,800 employees More than 90 Biogas facilities built to date 3
  • Market Drivers Green Waste - Organics Diversion  Organic wastes make up >24% of materials sent to landfills in US  Eliminating methane emissions from compostable organics is equivalent to removing 20% emissions from US coal fired power plants  US Congress is actively debating new policy to promote Anaerobic Digestion Project Development 4
  • Objective Organic waste diversion concept in an urban environment Case study of implementing an anaerobic digestion / biogas system into an urban vertical farming operation in the Chicago stock yards. 5
  • Plant Chicago is a nonprofit organization by founder John Edel, dedicated to bringing sustainable,urban agriculture to vacant industrial buildings, while improving health and vitality and creatinggreen-collar jobs.  Repurposing 93,500 sq.ft. retired meatpacking facility into net zero energy vertical farm  Aquaponics growing system (combining aquaculture with hydroponics)  Incubation of sustainable foods businesses offering low rent, low energy cost  Licensed shared kitchen rentals  Creation of 125 jobs in Chicago’s economically distressed “Back of the Yards” neighborhood  Diversion of over 10,000 tons of food waste from landfills 6
  • Concept Closed resource loop 7
  • Principles of Biogas production – Input materials Organic input substrates supplied from:  Agriculture  Food processing facilities  Restaurant waste  Yard waste and grass clippings  Waste management facilites 8
  • Biogas YieldOrganic input substrates can vary greatly and result in different gas qualities and quantities.Substrates have an important influence on plant technology selected for anaerobic digestionsystems. Source: AEBIOM Roadmap to Biogas 2010 9
  • Principles of biogas production What is Biogas ? 1 2 3 4 Hydrolysis Acidogenesis Acetogenesis Methanogenesis Acidification phase Acetic acid formation Methane formation Composition of Biogas Component Fraction Pre-treatment Output Digested Anaerobic fermentation Methane 40 - 75% substrate (in 4 phases) Carbon dioxide 25 - 55% Water vapor 0 - 10% Trace gases 0 - 5% Substrate input toSubstrate input to anaerobic pre-treatment fermentation Agricultural fertilizer 10
  • TechnologyHigh solids horizontal fermentation plantProperties… electrical energy High dry matter content in the digester: biowaste cogeneration unit conditioning Total solids content ≥ 15% and separator above thermal energy compostDistinctive features… main digester pump Robust, durable plant technology compost All substrates can be utilized without the fertilizer need of slurrying Fully automated, continuous feed liquid substrates final storage tanksystem 11
  • Plant Rendering Phase I: 5,000 TPY Phase II: 10,000 TPY 12
  • Utilizing biogas outputCombined heat and power (CHP) unitBiogas-driven turbine powers generators to produceelectricity and steam for the buildingFunctions… Generation of electricity – used for growing lights and general electrical needs of the building Generation of heat – heat created from turbine used to heat the digester, adsorption chillers, building and industrial processes, etc. 13
  • Biogas Plant – Key Data Phase IOverall Plant Footprint: 80 ft x 170 ft Capital expense: ~ US $ 2,500,000.- Input:  5,000 tons per year (13 t/day) of organic waste Offtake:  2 MMBtu/hr of Biogas  200 kW electric @ 29% efficiency  1 ton/day of press-cake for composting  8 tons/day of liquid soil amendment to replace fossil fuel based fertilizer 14
  • Milestones July 1st 2010 - Acquisition of building September 2010 - Begin renovation October 2010 - First permanent tenant move in (Thrive Artesian Kombucha Teas) January 2011 - First kitchen/bakery operational February 2011 - Plant Chicago NFP was founded December 2011 - Purchase decision for Biogas Plant April, May 2012 - Finalizing of permitting for Biogas plant construction June 2012 - Begin construction of Biogas Plant January 2013 - Biogas plant startup 15
  • Why Anaerobic Digestion at the Plant-Chicago Sustainable Urban Agriculture in Food Desert Net Zero Energy System Reduction of Green House Gas emmissions by utilizing waste streams in onsite Biogas plant Economic benefit by creating Renewable Energy for a Microgrid Use of digestate rather than fossil fuel based fertilizer Reducing Carbon footprint by eliminating waste collection truck traffic The Plant offers free tours every Monday, Tuesday and Saturday at 2 PM (www.plantchicago.com) 16
  • Promoting the use of Biogas and Anaerobic DigestionO 148 Members from the U.S., Germany, Italy, Canada and the UKO All Industry Sectors RepresentedKey Industry Goals:O Promote biogas markets, technologies and infrastructureO Achieve policy parityO Promote as a best practice for environmental stewardship and greenhouse gas reduction 17 www.americanbiogascouncil.org
  • ContactEISENMANN CorporationEnvironmental Technology / BiogasThomas F. Gratz150 E. Dartmoor DriveCrystal Lake, Illinois 60014E-mail: thomas.gratz@eisenmann.comInternet: http://www.eisenmann.com ◙ 18 18