On farm Anaerobic Digestion Waste Discharge ??farm Anaerobic Digestion Waste Discharge Authorization…

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<p>OnfarmAnaerobicDigestionWasteDischargeAuthorizationGuideline</p> <p>BCMinistryofEnvironment</p> <p>May14,2010</p> <p>CHFourBiogasInc.</p> <p>2</p> <p>Disclaimer</p> <p>TheprimarypurposeofthisdocumentistoprovideguidanceintheapplicationoftheEnvironmentalManagementActandWasteDischargeRegulationwithregardtoonfarmanaerobicdigestion.Thisisnotanexhaustiveguideand,whereapplicable,referencestomoredetailedinformationareprovided.Inallcases,reviewtheactuallegislationandregulationsforexactwording.Thisinformationisprovidedtotheuserentirelyathisorherownrisk.TheMinistrywillnotbeliableforanyclaims,damagesorlossesofanykindarisingoutoftheuseof,orrelianceupon,thisinformation.</p> <p>Acknowledgements</p> <p>TheMinistryofEnvironmentacknowledgesElectrigazTechnologiesInc.forallowingtheuseofthetechnicaldatacontainedinthefollowingtworeports:FeasibilityStudyAnaerobicDigesterandGasProcessingFacilityintheFraserValley,BritishColumbiaandFeasibilityStudyBiogasUpgradingandGridInjectionintheFraserValley,BritishColumbia.</p> <p>3</p> <p>GlossaryofTerms</p> <p>AWCR AgriculturalWasteControlRegulationALC AgriculturalLandCommissionBC BritishColumbiaBCUOMA BCUsedOilManagementAssociationBMP BestManagementPracticesC CelsiusCSA CanadianStandardsAssociationCAZ ControlledAccessZoneCH4 MethaneCHP CombinedHeatandPower(cogeneration)CNG CompressedNaturalGasCO2 CarbonDioxideCO CarbonMonoxideDAF DissolvedAirFlotationEFP EnvironmentalFarmPlanEMA EnvironmentalManagementActEPA EnvironmentalProtectionAgency(UnitedStates)Fe2(SO4)3 IronSulphateGHG GreenhouseGasGJ Gigajouleha HectareH2S HydrogenSulphideH2SO4 SulphuricAcidK PotassiumKI PotassiumiodinekW KilowattLWMP LiquidWasteManagementPlanMAL MinistryofAgricultureandLandsg Microgramsmg/nm3 MilligramsperNormalCubicMetreMOE MinistryofEnvironmentMPN MostProbableNumberMSW MunicipalSolidWasteMW MegawattN2 NitrogenNaOH SodiumHydroxideNH3 AmmoniaNH4 AmmoniumNO3 NitrateNOx NitrogenOxidesNMVOC NonmethanevolatileorganiccompoundOC OperationalCertificate</p> <p>4</p> <p>OMRR OrganicMatterRecyclingRegulationPM ParticulateMatterppm PartsPerMillionPSA PressureSwingAdsorptionQP QualifiedProfessionalSOx SulphurOxidesSRM SpecifiedRiskMaterialSWMP SolidWasteManagementPlanTHV TotalHeatingValueTKN TotalKjeldahlNitrogenVOC VolatileOrganicCompoundWDR WasteDischargeRegulationUASB UpflowAnaerobicSludgeBlanket</p> <p>5</p> <p>ExecutiveSummary</p> <p>PurposeoftheGuidelineTheMinistryofEnvironment,inconjunctionwiththeMinistryofAgricultureandLands,hasdevelopedthisguidelinetoassistonfarmanaerobicdigestionproponentsinapplyingforawastedischargeauthorizationundertheEnvironmentalManagementActandWasteDischargeRegulation.Theguidelineincludesanintroductiontotheanaerobicdigestiontechnology,thewastedischargeauthorization(permitting)process,andguidanceonthewastestreamstobeidentifiedintheapplicationpackage.Theguidelinealsoprovidesalistofacceptablefeedstocksforonfarmanaerobicdigestionandrecommendationsfornutrientmanagementplanning,sampling,analysisandbestmanagementpractices.InadditiontoaMinistryofEnvironmentwastedischargeauthorization,onfarmanaerobicdigestionfacilitiesmayalsorequireauthorizationfromlocalgovernmentsandtheAgriculturalLandCommission,iflocatedwithintheAgriculturalLandReserve.Theseadditionalprocessesarebrieflyoutlinedintheguideline.WhatisAnaerobicDigestion?Anaerobicdigestionisthebiologicalprocessbywhichorganicmatter(e.g.,manure),isbrokendownintheabsenceofoxygen,producingrawbiogasandotherbyproducts.Therawbiogasismostcommonlyusedtogenerateelectricitythroughcogenerationorupgradedtonaturalgas.Otherbenefitsofanaerobicdigestionincludereductionsinmanurerelatedodours,pathogens,andgreenhousegas(GHG)emissions. Theprocessalsoproducesbyproducts(liquidandsoliddigestate),whichcanbeutilizedonthefarmorfurtherprocessed(e.g.,composted),andsoldasanadditionalrevenuesourceforthefarm.WasteDischargeAuthorizationTypesAsbiogasproductionfromanaerobicdigestionfacilitiesmayinvolvenumerouswastestreamsanddifferentprocesstechnologies,asitespecificwastedischargeauthorizationfromtheMinistryofEnvironmentisrequiredformostprojects.Thefollowingisanoverviewofthethreemostcommonwastedischargeauthorizationtypespertainingtoanaerobicdigestion:</p> <p> SolidorLiquidWasteManagementPlanandsubsequentOperationalCertificatefor</p> <p>facilitiesusingmixedfeedstock(agriculturalandnonagriculturalwaste)ornonagriculturalwasteexclusively,andinanareathatrequiresamendmenttothelocalgovernmentssolidorliquidwastemanagementplan.</p> <p> Permitforfacilitiesusingmixedfeedstock(agriculturalandnonagriculturalwaste)or</p> <p>nonagriculturalwasteexclusivelyandinanareathatdoesnotrequireamendmenttothesolidorliquidwastemanagementplan.</p> <p>6</p> <p> AgriculturalWasteControlRegulationforfacilitiesusing100%agriculturalwastefeedstock(definedasmanure,usedmushroommediumandagriculturalvegetationwaste).</p> <p>HowtoObtainaWasteDischargeAuthorizationInadditiontoprovidinginformationonthedifferenttypesofwastedischargeauthorizations(regulation,wastemanagementplanorpermit),theguidelinealsoprovidesinformationontheprocessinvolvedinobtainingthewastedischargeauthorizationandthedocumentationrequiredforsubmission.ThisincludesguidanceonpreparingtheConsultationandTechnicalAssessmentReports.TheTechnicalAssessmentReportmustdescribeallaspectsofwastedischargedtotheenvironmentfromthefacility.Toaidinthepreparationofthisreport,typicalanaerobicdigestionfacilitywastedischargeshavebeenidentified,e.g.,emissionsfromthebiogascleaningandupgradingequipment,cogeneration,boilers,flares,etc.AsummarychecklistoftheprojectdetailstoincludeintheTechnicalAssessmentReportisincludedintheappendicestotheguidelineandaresummarizedattheendofeachchapter.AcceptableFeedstocksTheMinistryhasestablishedalistofacceptablefeedstocksforthepurposesofonfarmanaerobicdigestion.TheitemsinthelisthavebeenevaluatedfortheirappropriatenessinanonfarmanaerobicdigesterandtheirplacementwithinScheduleA,BorCprovidesincreasedsafeguardsfortheprotectionoftheenvironmentandhumanhealth,aswellasonfarmbiosecurity.ThefeedstocklistisprovidedinAppendix1andisdividedintothreeschedules:</p> <p> ScheduleA:Acceptable(acceptableasisfordigestion), ScheduleB:Limited(requirespasteurization,e.g.,70oCfor1hour),and ScheduleC:Unacceptable(prohibitedmaterial,suchashazardouswaste).</p> <p>DigestateLandApplicationRequirementsTheuseofdifferentfeedstockmaterialandthevolumeofnonagriculturalwastefeedstockimportedontothefarmaffectthefeedstocktestinganddigestatelandapplicationrequirementsforanonfarmanaerobicdigestionfacility.Threetiersofanaerobicdigestionfacilitieshavebeenestablishedbasedontheseparameters,asfollows:</p> <p> Tier1:Onfarmanaerobicdigestionfacilityusing100%agriculturalwaste.Requirements:FollowtheprovisionsoftheAgriculturalWasteControlRegulation,practiceduediligenceandadheretobestmanagementpractices.</p> <p> Tier2:Onfarmanaerobicdigestionfacilityimportingupto25%nonagriculturalwaste.Requirements:Sampletheimported,nonagriculturalfeedstockforheavymetals,</p> <p>7</p> <p>developaNutrientManagementPlan(NMP),andfollowtheTier2provisionsfornutrientsampling,analysis,anddigestatelandapplication.</p> <p> Tier3:Onfarmanaerobicdigestionfacilityimportingmorethan25%nonagricultural</p> <p>waste.Requirements:Sampletheimported,nonagriculturalfeedstockforheavymetals,developaNutrientManagementPlan,andfollowtheTier3provisionsfornutrientandpathogensampling,analysis,anddigestatelandapplication.</p> <p>Theflowchartonthefollowingpageprovidesasummaryofthefacilitycategorization,feedstockpretreatmentrequirements,anddigestatemanagementrequirements.BestManagementPracticesBestmanagementpractices(BMPs)andmonitoringandreportingrequirementsareoutlinedinthefinalchaptersoftheguideline.TheseincluderecommendedBMPsforfeedstockcollection,handling,andstorage,aswellasrecommendationsfordigestatestorage,andstrategiesforthereductionofodoursandfugitivedust.</p> <p>8</p> <p>9</p> <p>TableofContents</p> <p>Chapter1:Introduction...............................................................................................................14</p> <p>1.1 WhothisGuidelineisFor...............................................................................................14</p> <p>1.2 WhatisAnaerobicDigestion..........................................................................................14</p> <p>1.3 BenefitsofAnaerobicDigestion.....................................................................................14</p> <p>1.4 TypesofAnaerobicDigesters.........................................................................................15</p> <p>1.5 ProcessTemperatures....................................................................................................16</p> <p>1.6 MicrobiologicalDecompositionofOrganicCompoundstoBiogas...............................16</p> <p>Chapter2:OverviewofApprovalProcess...................................................................................18</p> <p>2.1 MinistryofEnvironmentWasteDischargeAuthorization.............................................18</p> <p>2.2 WasteStreamstoIdentifyintheAuthorizationApplication.........................................18</p> <p>2.3 Feedstocks......................................................................................................................18</p> <p>2.4 DigestateManagement..................................................................................................18</p> <p>2.5 ListingofRegulatoryAgencies.......................................................................................20</p> <p>Chapter3:MOERegulatoryFrameworkforWasteDischargeAuthorizations...........................22</p> <p>3.1 EnvironmentalManagementAct...................................................................................22</p> <p>3.2 WasteDischargeRegulation..........................................................................................22</p> <p>3.3 WasteDischargeAuthorizations....................................................................................22</p> <p>Chapter4:HowtoobtainaMinistryofEnvironmentWasteDischargeAuthorization..............26</p> <p>4.1 SummaryofInitialInformationtoSubmittoMOE........................................................26</p> <p>4.2 HowtoObtainaWasteDischargeAuthorization..........................................................26</p> <p>4.3 TheFiveStepsoftheWasteDischargeAuthorizationApplicationProcess..................27</p> <p>4.4 ApplicationForms..........................................................................................................29</p> <p>4.5 ConsultationReport.......................................................................................................29</p> <p>4.6 TechnicalAssessmentReport........................................................................................30</p> <p>4.7 QualifiedProfessional....................................................................................................31</p> <p>Chapter5:OverviewofWasteDischargestoIdentifyintheApplication...................................32</p> <p>5.1 BiogasConversionTechnologiesandSummaryofPotentialDischarges......................34</p> <p>Chapter6:BiogasCleaning..........................................................................................................36</p> <p>10</p> <p>6.1 RemovalofHydrogenSulphide(H2S).............................................................................36</p> <p>6.2 WaterVapourRemoval..................................................................................................39</p> <p>6.3 Ammonia........................................................................................................................40</p> <p>6.4 Particles..........................................................................................................................40</p> <p>6.5 Siloxanes.........................................................................................................................40</p> <p>6.6 Halogenatedhydrocarbons............................................................................................41</p> <p>6.7 Oxygen............................................................................................................................41</p> <p>6.8 Nitrogen..........................................................................................................................41</p> <p>Chapter7:BiogasUpgrading.......................................................................................................43</p> <p>Chapter8:ElectricityProductionthroughCoGeneration..........................................................46</p> <p>8.1 CogenDesignandInstallation.......................................................................................47</p> <p>8.2 CogenEmissionFactors................................................................................................47</p> <p>Chapter9:BoilerEmissions.........................................................................................................48</p> <p>9.1 BoilerDesignandInstallation........................................................................................48</p> <p>9.2 BoilerEmissionFactors..................................................................................................48</p> <p>Chapter10:FlaringEmissions......................................................................................................49</p> <p>10.1 TypesofFlares................................................................................................................49</p> <p>10.2 DesignandInstallation...................................................................................................49</p> <p>10.3 FlaringEmissionFactors.................................................................................................49</p> <p>10.4 AirDispersionModeling.................................................................................................49</p> <p>Chapter11:FeedstockforanOnFarmAnaerobicDigester........................................................51</p> <p>11.1 FeedstockList.................................................................................................................51</p> <p>ScheduleA:AcceptableFeedstockforOnfarmAnaerobicDigestion..................................52</p> <p>ScheduleB:LimitedFeedstockforOnfarmAnaerobicDigestion1......................................53</p> <p>ScheduleC:UnacceptableFeedstockforOnFarmAnaerobicDigestion.............................54</p> <p>11.2 Feedstock.......................................................................................................................54</p> <p>Chapter12:DigestateManagement............................................................................................56</p> <p>Chapter13:RecommendationsforTier1OnfarmAnaerobicDigestionFacilities(100%agriculturalwaste)........................................................................................................................58</p> <p>11</p> <p>Chapter14:RecommendationsforTier2OnfarmAnaerobicDigestionFacilities(upto25%nonagriculturalwaste).................................................................................................................59</p> <p>14.1 HeavyMetalsSamplingFrequency(nonagriculturalfeedstock)..................................60</p> <p>14.2 HeavyMetalsSamplingProcedures(nonagriculturalfeedstock)...</p>

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