Technologies for Anaerobic Digestion of Flushed Swine Manure

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<p>Biosystems and Agricultural Engineering</p> <p>Technologies for Anaerobic Digestion of Flushed Swine ManureDouglas W. Hamilton, Ph.D., P.E.Associate ProfessorWaste Management SpecialistAnaerobic Digestion</p> <p>Anaerobic Digestion</p> <p> Volume of Reactor Volume Leaving DailyHRTAnaerobic Digestion</p> <p> Mass of Solids in Reactor Mass of Solids Leaving DailySRTLow Rate Anaerobic Digester</p> <p>SRT = HRTLow Rate Anaerobic Digester for Swine Manure ~3% TS ManureHRT = 18 to 20 days0.22 to 0.25 m3 CH4 kg-1 VS</p> <p>Fisher et al., 1979Schulte, et al., 1985Zhang, et al., 1990</p> <p>pull plug barnsSow Farm c Offsite Nursery60 L per sow - day&lt; 1% TS ManureFlushed Swine ManureCovered LagoonPassive Anaerobic Digester</p> <p>HRT = 60 daysSRT ~ 10 years0.16 m3 CH4 kg-1 VSCowley, 2015High Rate Anaerobic Digester</p> <p>SRT &gt; HRTFixed Film Digesterfor Dilute Swine Manure</p> <p>Fixed Film Digesterfor Dilute Swine Manure</p> <p>HRT = 6 days0.43 m3 CH4 kg-1 VSHashheider and Sievers, 1984Upflow Anaerobic Sludge Blanket for Dilute Swine Manure (UASB)</p> <p>Upflow Anaerobic Sludge Blanket for Dilute Swine Manure (UASB)HRT = 1 day~0.5 m3 CH4 kg-1 VSKalyuzhni et al., 1998</p> <p>MaManure LiquidsSuspended Particle Attached Growth for Dilute Swine Manure (SPAG)HRT = 2 to 5 day0.48 m3 CH4 kg-1 VSCobb and Hill, 1989Chen and Liu, 2002</p> <p>Anaerobic Sequencing Batch Reactorfor Dilute Swine Manure (ASBR)</p> <p>Anaerobic Sequencing Batch Reactorfor Dilute Swine Manure (ASBR)HRT = 5 days0.46 m3 CH4 kg-1 VSSung and Dague, 1995Zhang et al., 1997Angenent et al., 2002Ndegwa et al., 2005</p> <p>Anaerobic Sequencing Batch Reactorfor Dilute Swine Manure (ASBR)</p> <p>Hamilton and Steele, 2014Anaerobic Sequencing Batch Reactorfor Dilute Swine Manure (ASBR)</p> <p>400 m3Run of Farm ConditionsManure 20 m3 day-10.64% VS</p> <p>20 Day HRT400 m3Run of Farm ConditionsManure 20 m3 day-10.64% VS</p> <p>20 Day HRTDecant 20 m3 day-10.24% VS</p> <p>400 m3</p> <p>0.41% VSRun of Farm ConditionsManure 20 m3 day-10.64% VS</p> <p>20 Day HRT51 Day SRTDecant 20 m3 day-10.24% VS</p> <p>400 m3</p> <p>0.41% VSRun of Farm ConditionsManure 20 m3 day-10.64% VS</p> <p>20 Day HRT51 Day SRTDecant 20 m3 day-10.24% VS</p> <p>400 m3</p> <p>0.41% VS0.55 m3 CH4 kg-1 VS Run of Farm ConditionsManure 20 m3 day-10.64% VS</p> <p>20 Day HRT51 Day SRTDecant 20 m3 day-10.24% VS</p> <p>400 m3</p> <p>0.41% VS0.55 m3 CH4 kg-1 VS 0.18 m3 CH4 m-3 reactor day-1 Optimum ConditionsManure 19.8 m3 day-10.64% VS</p> <p> 5 Day HRT341 m3Lagoon Effluent 48.4 m3 day-10.03% VS</p> <p>Optimum ConditionsManure 19.8 m3 day-10.64% VS</p> <p> 5 Day HRT26 Day SRTDecant 68.2 m3 day-10.11% VS</p> <p>341 m3</p> <p>0.48% VSLagoon Effluent 48.4 m3 day-10.03% VS</p> <p>Optimum ConditionsManure 19.8 m3 day-10.64% VS</p> <p> 5 Day HRT26 Day SRTDecant 68.2 m3 day-10.11% VS</p> <p>341 m3</p> <p>0.48% VS0.38 m3 CH4 kg-1 VS 0.18 m3 CH4 m-3 reactor day-1 Lagoon Effluent 48.4 m3 day-10.03% VS</p> <p>Correctly Sized ReactorManure 20 m3 day-10.30% VS</p> <p> 6 Day HRT60 Day SRTDecant 20 m3 day-10.09% VS</p> <p>120 m3</p> <p>0.54% VS0.55 m3 CH4 kg-1 VS 0.70 m3 CH4 m-3 reactor day-1 Sludge?0.5 % Vol/Vol GlycerolControl</p> <p>(405) 744-7089</p> <p>dhamilt@okstate.edu</p> <p>http://osuwastemanage.bae.okstate.edu/</p> <p>YouTube: OSUWasteManagement</p> <p>Twitter: OSUWasteManage</p>

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