7 Anaerobic Digestion What does carbon look like in complex waste? CaHbOc?d?e?f?g?hWhat does carbon look like in energy?CH4HHCHH
8 Anaerobic Digestion Microbiology Biogas Energy Systems A Great Lakes Casebook, Great Lakes Regional Energy Program. Cliburn & Associates, 1994Rozdilsky, J Farm Based Anaerobic Digestion in Michigan: History, Current Status, and Future Outlook, 1997.
11 Anaerobic Digestion Benefits Revenue SourcesEnergy Offset and/or Energy SalesCarbon CreditTipping FeesNew IndustriesAll of the AboveOdor Control (Nuisance Avoidance)Water Treatment/StabilizationEmission ControlGreenhouse GasPublic PerceptionLiquid/Solid SeparationNutrient AvailabilityPathogen Reduction
12 “Back of the Envelop” Energy Prediction In MI, Avg. Person Requires 313 MBTU/year1People in MI: 10,100,00010.012 MBTU/kg VS Added to Digester2,37,100,000 tons of Dry Biosolids Produced each Year4Biosolids in Country Supports 183,000 People in MI (2%)2,3Cows in MI: 325,0006Cows manure in MI Supports 10,400 people (0.1%)2,3,61MI Depart. of Economic Development and Labor and Economic Growth, Energy Overview2Metcalf & Eddy Wastewater Engineering3Peavy et al. Environmental Engineering4WEF, Questions and Answers on Land Application of Biosolids5USDA National Statistics Service6Anaerobic Digestion of Animal Waste: Factors to Consider, Balsam, ATTRA Pub. IP219
13 Anaerobic Digestion Costs Capital CostDaily Operation and MaintenanceTrainingSafetySensitivityDisposal----- ______ in _____Out -----
14 Anaerobic Digestion Benefits Revenue SourcesEnergy Offset and/or Energy SalesCarbon CreditTipping FeesNew IndustriesAll of the AboveOdor Control (Nuisance Avoidance)Water Treatment/StabilizationEmission ControlGreenhouse GasPublic PerceptionLiquid/Solid SeparationNutrient AvailabilityPathogen Reduction
15 Anaerobic Digestion System Research NaturalGasCombined Heat &Power SystemMethaneBiogasAnaerobicDigesterLiquid/FiberSeparatorFiberProductionLiquidStreamOrganicResiduesCO2HeatGreen HouseVegetableAlgal CultureCropBiodieselAnimalFeedFishMealAquaculture &Hoop Agriculture
16 H2 & CH4 Production – Psychrotrophic Microbial Consortia Hydrogen ProducingMicroorganismsMethane ProducingAnimal ManureHydrogenMethaneNutrients (C, N, P etc.)Enhanced EnzymeProductionOrganic AcidsLignocellulose5 liter bench reactors for AD research16s rRNA gene technologiesfor analysis of microbial consortia
17 Algal production using AD effluent Combustion of AD BiogasAD Liquid EffluentCO2Advanced Pond SystemAlgal CultureSystemAlgal Turf Scrubber SystemWastewater with lessN, PAlgal BiomassFertilizersFish MealEthanolValue-Added Products
18 Integrated Small-Scale Animal Manure Management System to Improve Energy Efficiency and Produce High-Value Co-Products
23 Theoretical Potential Predict BestTheoretical PotentialLiu, Yan, Miller, S. A., Safferman, S. I. (2008). “Alternative Treatments of Food and Manure for Biogas Production.” Biofuels, Bioproducts & Biorefining, In Press (manuscript BIOFPR R1).
24 Anaerobic Respirometry 5. Conduct Laboratory ExperimentationAnaerobic RespirometryReal Time, Continuous Gas MeasurementTotal volumeRate (ml/hr)
27 Anaerobic Digestion Feasibility Is anaerobic digestion worth further exploration?Determine ObjectivesProfile Facility/FacilitiesScreen WastewaterPredict Best Theoretical PotentialConduct Laboratory ExperimentationInterpret ResultsMake RecommendationsProfessional Design
28 MSU Anaerobic Digestion Research and Training Center Comprehensively research, develop, evaluate, and educate on integrated anaerobic digestion systems, with an emphasis on cost effective and efficient technologies for small and medium sized dairy farms.Theoretical modelingBioassay evaluation andLab and Bench scale researchAnaerobic digester and algae facility at the MSU Dairy FarmPilot and commercial scale research at Green Meadow Farms and Scenic View Dairy.
29 Anaerobic Digestion Research East Bay,Expansion PotentialHigh BayResearch Bay, Typ.14 ft15 ft10 ft18 ftWetLaboratoryInstrumentMen’sLockerRoomWomen’sConferenceStud. WorkManager’s OfficeEntry4 ft40 ft82 ft
30 Questions Dana M Kirk Steven Safferman email@example.com P:C:Steven Safferman
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