scaling anaerobic digestion down to onsite microsystems PDF
Preview scaling anaerobic digestion down to onsite microsystems
Distributed Bioenergy Solutions SCALING ANAEROBIC DIGESTION DOWN TO ONSITE MICROSYSTEMS Jan Allen, Impact Bioenergy Aeron Jensan, Greenerzone BC Gib Dammann, Zero Waste Vashon Presented at US Composting Council Annual Conference Austin, TX January 21, 2015 Authors Jan Allen is CEO of Impact Bioenergy; a manufacturer of pre- fabricated systems that convert organic materials into renewable energy, compost, biocarbon, and other products. He has designed, constructed, and operated organics facilities since 1989, and is a Professional Civil Engineer and Certified Compost Facility Operator. Aeron Jensan is Owner and Operator of Greenerzone, serving commercial and residential accounts in solid waste management and recycling since 2001. Customer service and proven effective recycling systems have been a priority throughout his business and more specifically his organic waste processing services. Gib Dammann is an Associate Architect, owns Dammann Design. He is CEO of Vashon Solar LLC, and President of Zero Waste Vashon (ZWV). ZWV aims to create an educational multi-component organics composting lab for its island community. Distributed Bioenergy Solutions Onsite systems typically serve small and medium sized facilities, communities, and organizations with 50 – 50,000 people. They can save resources in a number of powerful ways by saving: money for disposal, energy, chemical inputs to the landscape, and costs for food simultaneously. • Elimination of hauling and disposal of foodwaste, foodservice paper, landscape waste, and woodwaste. • Creation of renewable energy onsite. • Creation of new soil, fertilizer, and sequestered carbon for landscaping, horticulture, and food crop production – at a local and community scale. The Power of Onsite Systems Food Production Energy V. Fuel + Heat + Electricity Conversion A. Digestion + Composting + Gasification Farm-to-Table Facts • Urban farming and community gardening is blossoming in North America. – In Seattle, a population of 650,000 supports 88 community gardens, 31 acres of food production, and 6,000 active gardeners. • Farm-to-table businesses, ‘slow-food’ projects, and 100-mile-diets are all part of community supported agriculture. – These programs are expanding in all states and provinces. • Some operating precepts in the movement: Food to renewable energy to soil to new food Consumers (you) are making a choice to be an active, proactive, and informed part of the food chain. Benefits of Bioenergy • Supply onsite building heat, hot water, lighting, electricity, and/or vehicle fuel to the host facility and/or adjacent properties • Managing organic waste on the property –` (minimizing the export of waste materials) • Connect with urban agriculture and renewables movements – (minimizing the import of manufactured and processed food, provide high-quality compost/fertilizer locally) • Increase system diversity and reliability by deploying a local, distributed renewable energy system – (minimizing the import of energy and fuel) • Build jobs and commerce within the community – (strengthen the local economy while minimizing the export of dollars) Model 185 – NAUTILUS 111,000 - 555,000 BTU/hr 1.4 MWh of electricity per day + 47 therms of heat per day Model 185 – NAUTILUS Model 185 – NAUTILUS 185 = 0.5 TPD 185-2 = 2.5 TPD Model 25 – HORSE High-solids Organic-waste Recycling System with Electrical output 15,000 BTU/hr 36 kWh per day + 1.2 therms heat per day
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