Pasco Water Reuse Facility
Washington
METHANECAPTURE,
HOWTHEYGOTSTARTED
TheCityofPasco,WA,embarkedonanambitiousprojecttomodernizeandexpanditsProcessWater ReuseFacility,demonstratinganinnovativeapproachtoindustrialsymbiosisThisinitiativeaimedto tacklechallengesposedbyaginginfrastructure,systeminefficiencies,andtheincreasingdemandsof thefoodprocessingindustry.Withatotalinvestmentof$137million,theprojectsetouttotreat2 billiongallonsperyearofindustrialwastewaterfromsevenmajorfoodprocessors,transforming wasteintovaluableresourceswhilesupportingeconomicgrowthandsustainability.
STARTANDEXPANSION
In2023,Pascoinitiatedasignificantmodernizationandexpansionofitswastewatertreatment facilityTheprojectwasdesignedtoaddressthefacility'sincapacitytohandleprojectedincreasesin nitrogenloadsresultingfromthegrowthofthefoodprocessingindustry.Recognizingthelimitations oftraditionalsolutions,PascoPublicWorksinnovatedasymbioticnetworkofsolutionstoextract valuefromwaste,reducefossilfuelreliance,andfacilitatethecreationofhundredsofjobs.
METHANECAPTUREFORRENEWABLENATURALGAS
ByintroducingLowRateAnaerobicDigesters,thefacilitycapturesmethanegasfromfood processingwastewater.Thisgasisthenconvertedintorenewablenaturalgas,providinga sustainableenergysource
Closeto1.5billiongallonsperyearofpre-treatedwater, containingsomenitrogen,isutilizedforcropirrigation. Thispracticereducestheneedforsyntheticfertilizers, benefitingfarmersandtheenvironmentalike
Abiological,low-energynitrogenremovalsystem employsalgae,whichnotonlycleansthewaterbut alsoresultsintheproductionofanalgae-based fertilizer Thismarketableproductoffersan innovativesolutiontonutrientmanagement.
INTERESTINGFACT
Theprojecthasledtothecreationofover300full-timejobsduetothefacility'syear-roundcapacity forfoodprocessing,inadditiontoconstructionjobsThissignificantjobcreationunderscoresthe project'sroleinbolsteringthelocaleconomywhileadvancingsustainablepractices.
CONTINUOUSMANAGEMENT
ThemanagementofthePascoProcessWaterReuseFacilityinvolvesongoingeffortstoenhance efficiency,reduceenergydemand,andexplorenewavenuesforwaste-to-valueconversion.Thecity's commitmenttodataanalysis,collaborativeinnovation,andattractingfundingshowcasesaproactive approachtomanagingandexpandingtheproject'ssustainabilityimpacts
Solrod Biogas Denmark
WASTESTREAMRECYCLING FERTILIZER
HOWTHEYGOTSTARTED
Thisprojectemergedfromanefforttoutilizedecayingseaweedthatwasheduponlocalbeaches,andwas creatinganuisanceodorforresidentsandtourists.Thesolutionidentifiedbystakeholderswastogenerate biogasusingtheseaweedasfeedstock Thesuccessfulexperimentpromptedfurtherconsiderationofother existingresources TodaySolrødBiogas,ownedinpartbythemunicipalityofSolrød,utilizesthefollowingas wasteinputtosymbioticallygenerateheat,power,andfertilizer:1,500tonsofseaweedfromthebeach,90,000 tonnesoforganicresidualproductfromCPKelco,70,000tonsoforganicresiduefromChr.Hansen,44,500 tonsofanimalmanureand20,000tonnesofotherindustrialwasteproducts
HOWMUCHENERGY?
Thebiomassismadeupbybiologicalresidualproducts,seaweedandalgalsludgeremovedfrombeaches aswellaslivestockmanurefromadjacentfarms.Thebiomassisusedprimarilyfortheproductionofheat andelectricitytoreplacefossilfuelinputs,including18millionm3ofbiogas,whichisapproximately equivalentto11millionm3ofmethane.Thiscanprovideheatforaround4,000householdsandgenerate electricityforapproximately5,400households Additionally,thereisasupplyof220,000tonnesof biofertilizerforagriculturaluse Thebiofertilizerisofhighquality,richinorganicmatter,essential nutrients,andbeneficialmicrobialactivity,makingitsuitableforpromotingsoilfertilityandsupporting plantgrowth.
WASTETOENERGY
Themainconstituentsofrawbiogasisabouttwo-thirdsmethaneandonethirdcarbondioxide.Theycan beutiliseddirectlyasfuelin,forinstance,agasgeneratortogenerateelectricity.Gasgeneratorsneed cooling,aprocessthatproducesheatedcoolingwater.Aheatexchangertransferstheheatofthecooling watertowater,whichcanbeusedasdistrictheatingtohouseholdsandofficesorforindustrial production
CARBONREDUCTION
TheproductionofheatbasedonbiogasfromSolrødBiogascorrespondstoapprox.41%of theheatconsumptioninthemunicipalityorapprox.4,000households'heat consumptionByreplacingfossilfuelswithbiogas,theSolrødBiogasfacilitysignificantly reducescarbonemissions ThefacilityhelpssavethousandsoftonsofCO2annually, contributingtoDenmark'sambitiousclimategoals. Thebiomassfromtheanaerobicdigesters,aswellascondensatefrom thegascleaningprocess,areusedtomakeasustainablyproduced fertilizerforfarmerstouse.SolrødBiogassuppliesmorethan200,000 tonnesofbiofertilizertoagricultureeachyear.Inthisway,nutrients fromtheindustryarerecirculated,whichwouldotherwisehavebeen
FERTILIZERPRODUCTIONANDDISTRIBUTION
PHOTO:SOLRODBIOGAS
PHOTO:SOLRODBIOGAS
TRANSPORTATIONANDHANDLING:
Residualproductslikefoodindustryleftovers,seaweedfromKøgeBay,andlivestockmanureare transportedintankersandcontainerstotheplant.Uponarrival,allloadsareweighedandstored temporarily.
BIOGASPRODUCTION:
Liquidbiomassisheatedandpumpedintodigesters,whilesolidbiomassisautomaticallyloaded.The generatedbiogasispurifiedandstoredfordistribution.
DISTRIBUTIONANDRECYCLING
Afterpurification,biogasisdistributedforelectricityandheatproduction.Degassedbiomassisstored andtransportedbacktofarmsforuseasfertilizer.
LEACHINGREDUCTION
Theyreducetheleachingofnutrientslikenitrogenfrommanureandfertilizerinto theaquaticenvironment,preventingnutrientaccumulationinwaterbodiesBy preventingexcessivenutrientinflux,thisapproachcurbsalgaegrowththatcan depleteoxygenlevelsinwater,potentiallyleadingtodeadzonesbothinthewater columnandatthebottom.
PHOTO:SOLRODBIOGAS
STATE OF GREEN
mateactioninfarming,organic omotion,environmentandnature nservation
Greenisaplatformthat oplewithDanishexperts utionsforeco-friendly mentTheyfocusonareas rgy,water,recycling,and encourageglobaleffortsfor erfutureBysharing gefromDenmark's nces,theyaimtoinspire ofollowsuitTheplatform ents,visits,anddigital sestospreadinformation agewithaworldwide e.StateofGreenalsotakes partinprogramsthataimtospeed etransitiontoamoreecodlyworldTheyusemedia, ts,andpresstocommunicate promotegreensolutions nationally
andExpansion:Theinception ateofGreenwasdrivenby mark'sambitiontoleadby mpleinthetransitiontowardsa ainableandlow-carbon omyItwasestablishedasa c-privatepartnership,reflecting fiednationalstrategyto motegreensolutionsglobally nitiativewasdesignedto tatethesharingofDenmark's evementsandlessonslearned plementingsustainable ices
StateofGreenhighlightsseveral keyareasofDenmark’s sustainablepractices: RenewableEnergy:Denmark’s significantinvestmentsinwind andsolarpowerexemplifyits commitmenttorenewable energyStateofGreen showcasestheseachievements, includingDenmark’spioneering windturbinetechnologyand solarenergyprojects,toinspire globaladoptionofrenewable energysources.
EnergyEfficiency:Theinitiative alsoemphasizesDenmark’s effortsinenergyefficiency,from industrialprocessesto residentialheatingsolutions StateofGreenprovidesinsights intohowenergyefficiencynot onlyreducesemissionsbutalso lowersoperationalcosts, presentingacompellingcasefor itswidespreadadoption WaterManagementandWaste Reduction:Denmark's innovativeapproachestowater managementandwaste reductionarealsofeatured StateofGreenhighlights projectsthattreatwastewater andconvertwasteinto resources,demonstratingthe practicalapplicationofcircular economyprinciples
EXPLORING SUSTAINABILITY
Denmarkhasmade significantprogressinits shifttogreenenergy, aimingtoreduceits carbonemissions substantiallyby2025and 2030Since1980,the
thecountryhasfocusedonrenewable energyandefficiency,separating economicgrowthfromenergy consumptionItprojectsa555%cutin emissionsby2025anda68%reduction by2030comparedto1990levels.The energysectoriscrucialforthischange, withplanstogo100%renewableby 2029Denmarkalsoneedstocomply withEUemissionreductiontargetsandis workingonsectorslikeagricultureand transportationtomeetthesegoals
AssessmentslikeKF24helptrack progress,projectingashortfallby2030but showingapositivetrajectorytowards climateneutralityby2045anda110% reductionby2050tocombattheclimate crisis.
SohowdoesStateofGreenhelpmyteam planforandreachsimilarresults?They areallaboutconnectingyouwithtop-notch Danishinnovatorsingreenenergy,water management,circulareconomy,andurban sustainabilitySince2008,they'vehosted 1500delegationsworldwidetheyoffer tailoreditinerariesforeachvisit,packed withsiteexcursionsandbusiness meetings
Onceyouarrive,yourexplorationusually kicksoffattheHouseofGreen,ahub showcasingDenmark'ssustainability marvelsAttheshowroom,you'lldivedeep intoDanishsolutionsacrossvariousecofriendlycategories,promotingcollaboration andbestpractices
StateofGreenflauntsover1400green solutionsforyoutoexplore!FromR&D projectstopolicyinitiatives,there'sabuffet ofchoicesConnectwithnearly600 organizationswaitingtotackleyourecochallengeshead-on!
StateofGreenexemplifieshow collaborationandknowledgesharingcan acceleratethetransitiontoasustainable future.ByshowcasingDenmark's approachtosustainability,itinspiresother nationsandorganizationstoadoptsimilar practices,makingasignificantcontribution toglobalenvironmentalgoals
Establishedin1964,thisorganizationis employing186,000employeesand exportingagriculturalproducts,foodand equipmentvaluedat€20billionannually ThisteaminCopenhagenaimstotacklethe pressingissuesofpopulationgrowth,food demand,andclimatechange.
Theyenvisionaworldwherefood productionnotonlysatisfiesglobalhunger butalsotreadslightlyonourplanet'sfragile climate.That'sthevisiondrivingtheDanish agri-sectortowardsbecomingentirely climate-neutralby2050
Denmarkisalreadyafront-runnerinecofriendlyfoodproduction.Byoptimizing agriculturalpractices,fosteringinnovation, andconductingefficientresearch,the countryboastsoneoftheworld'smost environmentallyconsciousfoodindustries.
Denmark'sCAPStrategic Planfor2023-2027focuses onpromotingsustainable farming,modernization,and highstandardswithinthe agriculturalsector.Theplan prioritizesthesustainable developmentoffarming, foodproduction,andrural areas,withastrong emphasisonmodernization efforts,digitalization,andthe implementationofstringent environmentalandclimate standards.
DanishAgricultureandFood Councilwillbeatthe forefrontofthesestrategic objectives.
InterestingFact:Denmarkis hometotheworld'sfirst organicpublicprocurement policy,whichmandatesthat asignificantpercentageof foodservedinpublic institutionsmustbeorganic. Thispolicynotonlysupports organicfarmersbutalso encouragessustainable eatinghabitsamongthe public.
TheDanishAgricultureand FoodCouncilisn'tjust aimingforlocalchange—it's settingaglobalexample.By showingtheworldhowto “producemorewithless”, they'reinspiringanewwave ofenvironmental consciousnessacross borders.Thisorganization isn'tjustgrowingfoodit's growingagreener tomorrow,oneinnovative solutionatatime.
MelioraBio
MelioraBiowasestablishedwiththegoal ofdevelopingsustainablesolutionsfor agriculturalwaste,addressingboth environmentalconcernsandtheneed forrenewableenergysources.
MelioraBioDenmark representsasignificant advancementinthefieldof industrialsymbiosis,focusing ontheinnovativeuseof biorefinerytechnologiesto convertagriculturalwasteinto valuablebioproducts.This initiativedemonstratesa sustainableapproachtowaste management,energy production,andmaterial utilization,aligningwithglobal effortstopromotecircular economyprinciples
WastetoValue:Thecoreof MelioraBio'soperationinvolves thetransformationof agriculturalwaste,suchas strawandhusks,intovaluable bioproductsThisnotonly reduceswastebutalso providesanalternativetofossilbasedmaterialsandfuels
RenewableEnergyProduction: Throughthebiorefinery process,MelioraBioproduces biofuelsthatcanserveas renewableenergysourcesThis contributestoreducing greenhousegasemissionsand dependencyonfossilfuels, promotingamoresustainable energylandscape
CircularEconomyIntegration: MelioraBioexemplifiesthe principlesofthecircular economybyensuringthatall by-productsofthebiorefinery processareutilizedefficiently Nutrientsarerecycledback intoagricultureasbiofertilizers, andanyresidualwasteisused toproducebioenergy, minimizingenvironmental impact
Inthisprofile youcanexpect:
WastetoValue
Renewable Energy Production
Circular Economy Integration
Advanced Biofuel
Prebiotics Lignin
MELIORABIO
ProcessHighlights
Bioethanol
Prebiotics
Lignin
Advancedbioethanol,aproduct ofMelioraBioderivedfromstraw, enzymes,andyeast,boastsan exceptionallysmallCO2footprint
Thisbioethanol,madefrom agriculturalresidue,serves variouspurposes,withitsprimary applicationbeingtheblending withgasolineforautomotivefuel toachieve90percentdecreasein CO2emissionsfromvehicles
Unlikeconventionalethanol sourceslikecornandsugarcane, ourbioethanolresolvesthefoodversus-energydilemma
MelioraBioalsooffers prebioticproductscrafted fromstraw,ensuring sustainability,minimal ecologicalimpact,anda diverserangeofprebiotics knownfortheirpositive environmentalattributes, fosteringguthealthand overallwellness
Theinherentlignincontent withinthestrawisextractedat thebiorefineryandpresently utilizedforgenerating sustainableenergy(steam)for ouroperationalneeds
Ligninholdsconsiderable promiseasasubstitutefor polymersacrossvarioususes
Kalundborg Symbiosis
Gyproc,whichusedittodry plasterboardsintheirovens Thismutuallybeneficial exchangemarkedthe beginningofacooperative processthathasgrown organicallyoverthepastfive decades.
TheKalundborgSymbiosis producesanimpressive$28 millioninyearlyeconomic valueandsaves600,000tonsof CO²emissionsThisisachieved throughtheexchangeof20 differentresourcesamongthe participantsForexample, excessgasisusedforenergy production,biologicalsludgeis deliveredtofarms,andflyash fromthepowerplantis suppliedtocement manufacturers
anotherfacilityhasreducedits oilconsumptioncostsby95% Thegoalistouseallresources andachievezerowastewithin thenextdecade
Today,severalmajorindustrial enterprisesinDenmark participateintheKalundborg Symbiosis,whichincludeseight publicandprivate organizationsinthe KalundborgareaAmongthese aretheworld'slargestinsulin producer,theleadingenzyme manufacturer,Northern Europe'slargestsewage treatmentplant,Denmark's biggestpowerplant,andthe largestoilrefineryintheBaltic Region
STATEOFGREEN
ProcessHighlights
Asillustratedabove,The KalundborgSymbiosisstandsas amodelforindustrialsymbiosis worldwide,demonstratinghow environmentalstewardshipcan alignwitheconomicandsocial benefits
CEF
LineaMorada
Inthisprofile youcanexpect:
TheLíneaMoradainJalisco,Mexico,exemplifiesa sophisticatedimplementationofindustrial symbiosis,focusingonreuseoftreatedwastewater tosupportindustrialprocessesThisinitiativenot onlyaddressesenvironmentalconcernsbutalso enhancestheefficiencyofresourceuseinoneof Mexico'srapidlygrowingindustrialregions.
StartandExpansion:Initiated withaninvestmentof177 millionpesos,LíneaMorada wasdesignedtoprovidea sustainablesolutiontowater scarcityandpollution challengesintheindustrial corridorofElSalto,JaliscoThe projectwasacollaborative effortfundedbyboththestate governmentofJaliscoandsix localindustrialcompaniesIts strategicdevelopmentwas aimedatreducingthe extractionoffreshwaterfrom aquifersandpreventing untreatedwastewater dischargesintotheSantiago River..
TreatedWastewaterfor IndustrialUse:TheLínea Moradaenablestheredirection ofupto2,600literspersecond oftreatedwastewaterfromthe ElAhogadotreatmentplantto localindustries.Thissubstantial volumeiscritical,consideringit offsetstheequivalentofthe dailywaterconsumptionof 300,000inhabitants.
ReductionofEnvironmental Impact:Byrepurposingtreated wastewater,theproject preventsapproximately26 cubicmeterspersecondof untreatedsewagefrom enteringtheSantiagoRiver, significantlyreducingwater pollutionandenhancinglocal waterquality
SupportforAquiferRecharge: Theprojectcontributestothe greaterrechargeoflocal aquifersbyreducingtheneed fordirectextractionThisisvital formaintaininggroundwater levelsandensuringlong-term wateravailabilityforvarious uses
CANALDELGOBIERNODEJALISCO
ProcessHighlights
Wastewater Management
InterestingFact:TheLínea Moradaispartofabroadervision bytheJaliscogovernmentto solvetheregion'swaterissuesfor thenext50years,demonstrating along-termcommitmentto sustainablewatermanagement andsettingabenchmarkfor similarinitiativesinMexico
ThemanagementofLínea Moradainvolvescontinuous oversightandcollaboration betweenthegovernmentand theindustrialsectorTheproject isamodelofpublic-private partnership,whereongoing adjustmentsandexpansionsare plannedtoenhanceitscapacity andefficiencyaspartofJalisco's broaderenvironmentalstrategy
AGENCIADEENERGÍADEL ESTADODEJALISCO
Biowert
BW(fertilizerfromdigestate), demonstratetheir commitmenttosustainable productionThefacility processesabout2,000tonsof drymatterannually,equivalent to8,000tonsofgrassperyear
BiogasProduction:Akey componentoftheiroperationis theintegratedbiogasplant, whichproducesapproximately 1,340,000cubicmetersof biogasannuallyThisbiogasis utilizedincombinedheatand power(CHP)facilities, producingabout52GWhof electricityin2012,whichcovers theenergyneedsoftheentire facility,withexcesselectricity exportedtothegrid applications,including injectionmolding
Thegrassjuiceremainingfrom themechanicalpretreatment ofgrasssilageservesasa substrateinthebiogasplant, alongwithlocalco-substrates likefoodwasteandslurry Wastewaterarisingfromthe processisreusedfor pretreatmentofgrasssilage Digestatefromthebiogas plantisprocessedinto concentratedandliquid biofertilizers,usedbylocal farmers,closingthenutrient cycleinacirculareconomy
ProcessHighlights
Afterfermentationinthebiogas plantiscomplete,anutrient-rich digestateremainsThisdigestate isconcentratedanddeliveredas AgriFerfertilizertothefarmers whosupplygrass,thereby returningthenutrientstotheir meadows
ThefinalstageoftheBiowert circulareconomyisAgriPlast Materialsmadewith polypropyleneorpolyethylene canbefullyrecycled,andthose withbiodegradablepolymerscan becompostedConsistent recyclingensuresacompletely closedmaterialcycle