www.supercriticalfluids.com Innovative Leadership in Supercritical Fluids and High Pressure Chemistry Supercritical Fluid Extractions, Reactions and High Pressure Chemistry www.supercriticalfluids.com SFT-NPX-10 Natural Products Extractor
www.supercriticalfluids.com
Innovative Leadership in Supercritical Fluids and High Pressure Chemistry
Supercritical Fluid Extractions, Reactions and High Pressure Chemistry www.supercriticalfluids.com
SFT-NPX-10 Natural Products Extractor
One Innovation Way • Newark, DE 19711 • 302-738-3420 • Fax 302-738-4320 • www.supercriticalfluids.com
SFT-NPX-10 Natural Products Extractor
• Capacity:5,10or20LiterSampleExtractionVessels;Single5Liter,Single/Dual10LiterorSingle20LiterConfigurationsAvailable
• OptionalPLC/HMITouchScreenOperatorInterfaceFully ControllableProcessingVariables
• PneumaticLiquidCO2Pumping;WaterlessPre-Chiller,TypicalFlowRatesfrom0.1to1.0kg/min
• 10,000psi,689BAR,68.9MPaOperation• CO2FlowMeasuredbyCoriolisMassFlowMeter• SingleorOptionalDualCollectionSeparators• CodeCompliantVesselsandComponents• CompactDesignforPortability• OptionalLiquidCO2andCo-SolventFluidRecycleAvailable
Supercritical Fluid Extractions, Reactions and High Pressure Chemistry www.supercriticalfluids.com
Supercritical Fluid Extractions, Reactions and High Pressure Chemistry www.supercriticalfluids.com
SFT-NPX-10 Processing System
TheSFT-NPX-10ProcessingSystemisdesignedtoperformsupercriticalfluidextractionsincorporatinga5Litervessel,singleoroptionaldual10Litersamplevesselsorasingle20Litervesselwithsingleoroptionaldualseparators,andintegratedinterfacecontrols.Thesystemincludesfeaturesthatfacilitatethetransitionfromourlaboratoryscaleequipmenttopilotandproductionprocessingsystems.
Thissystemisconfiguredtoenablesupercriticalcarbondioxide(SCCO2)extractionusinga5Literextractionvesselor10Literextractionvessel(s)inasingleordualconfigurationorasingle20Literextractionvesselratedforoperationupto10,000psi(689BAR,68.9MPa)and120°C.Thesystemincludeseitheroneortwoseparatorvessels,apneumaticCO2pumpwithanintegratedwaterlesspre-chillertomaximizepumpingefficiency,andallassociatedvalvesandpiping.Thesystemismountedonapowdercoatedsteelframe.Pressuresandtemperaturesarecontrolledintheextractor(s)andseparator(s)withcontrolvalves,electronicheatexchangers,andpumpcontrol.
Benefits of Supercritical Fluid Extraction
UsingSupercriticalCO2toperformextractionsonbotanicals,herbs,spicesandothernaturalproductmaterialshassignificantbenefitsovertheuseoftraditionalliquidsolvents.CO2entersthesupercriticalregionatanelevatedtemperatureandpressure,whereitisnolongeraliquidorgas.Itbecomesasupercriticalfluid.Undertheseconditions,thefluidpossessesmanyofthesamecharacteristicsofaliquidsolventwiththeaddedbenefitofthehighdiffusivityofagas,andpressuretunablesolvencypower.ThereisnoneedtoperformadistillationstepsinceuponreturningtoatmosphericpressuretheCO2becomesagasandcanberecycled.ThismeansNOresidualsolventsareintheextract.Additionally,giventhatthesolvencypowerofthefluidispressuredependent,itispossibletofractionateandobtainmultiplefractionsfromasinglerawmaterial.Thisisimpossibletodowithtraditionalliquidsolventanddistillationprocessing.SupercriticalFluidTechnologiesalsoofferstrainingwitheachsystemcustomizedtoyourspecificapplication.
System OperationTheprocesscyclebeginswithfreshCO2gasfromliquid
bulkstorage.Theprocessstreampassesthroughacoriolismassflowmetertoprovideaccurateflowmeasurementthatisinsensitivetovariationsinpressureandtemperature.TheCO2streamisdeliveredat5
oCand725psi(5.0MPa)toapneumaticair-drivenpump(PMP1).CO2massflowiscontrolledbymodulatingtheairpressureappliedtothepumpviaanelectropneumaticregulator.Theprocessstreamisheatedtoamaximumprocesstemperatureof120oC.
Apressuretransducermeasurestheextractionvesselpressure.TheCO2flowiscontrolledthroughmodulationofamicrometeringcontrolvalve(PCV201).TheprocessstreamsubsequentlyflowsintotheSeparator#1.
Thesystemincludesaheatexchangerpriortotheextractorpressurecontrolvalve(PCV201).Thisheatexchangerisusedtowarmtheprocessstreamupto120oC,dependingonprocessrequirements,priortoflowthroughPCV201.Undersupercriticalconditions,thesetemperaturesincreasethesolubilityofextractintheSCCO2.FollowingexpansionthroughPCV201,aportionoftheextractfallsoutofsolution.ThepipingfromPCV201toSeparator#1isextremelyshortsothatthereisvirtuallynoopportunityfortheextracttoclogthelinesandsothatthereishighflowvelocityuponentryintoSeparator#1tofacilitatecentrifugalseparationoftheextractsolidfromtheCO2gasstream.
AfterSeparator#1,theCO2flowsthroughaheatexchanger.TheCO2nextflowsthroughapressurecontrolvalveandintothesecondseparator.ThepressurewithinSeparator#2ismaintainedwithabackpressureregulator(PCV203)attherecyclepressure.
Allshutoffvalvesinthehighpressureportionofthesystemareratedtoatleast10,000psi(689bar,68.9MPa).Highpressuretubingisatleast1/4inchouterdiameterandwillberatedto10,000psi(689bar,68.9MPa).
System Configuration Options
Optional PLC/HMI ControlsOptionalPLC/HMIcontrolledsystemsutilizeaNational
InstrumentscRIOprogrammableautomationcontrollertoregulatethepressure,flowandtemperatureprocessvariables.Thesearetheidenticalcontrolstothosetypicallyfoundinlargerscalecommercialproductionsystems.Theprocessconditionsinthiscontrolsystemenabledirecttranslationtoalargescaleprocessingsystem.Theoperatorwilluseatouchscreenoperatorpaneltomonitorprocessconditions,observesystemstatus,reviewprocesshistories,initiateprocesscycles,andenterprocessparameters.
Basic System:(1)10LiterVessel10,000psi,689bar,68.9MPa1kgflowofCO2ManualControlsSingleSeparatorCoriolisMassFlowMeter
Available Options:DualExtractorsDualSeparatorsAutomatedControlValve
PLC/HMIControlsCo-SolventModuleClass1Division2CO2RecycleStainlessSteelFrameSCADAControls20LiterExtractionVessel5LiterExtractionVessel1LiterExtractionVesselASMEorPEDCodeStamps
SFT-NPX-10 Flow Diagram
SFT-NPX-10 Natural Products Extractor Specifications
Touch Screen Display, SFT-Pilot SFE Processing System
Standard ConfigurationMaximum Operating Pressure:10,000psi(689bar,
68.9MPa)Maximum Operation Temperature:Ambientto120oCFlow Rates:Pneumaticair-drivenCO2pumpupto1.0kg/
minat10,000psi(689bar,68.9MPa).Patentedelectro-pneumaticregulatorforaccurateCO2fluiddelivery.
Extraction Vessel(s):Insulatedandheated5Lvessel,10Lvesselinsingleoroptionaldualvesselconfiguration,orsingle20Litervessel.
Restrictor Valve(s):Micrometeringregulatingcontrolvalveforextractor
Collection:Separator#1volume:0.75LwithboltedendclosureSeparator#11.5kWheatexchangertochangetheCO2
temperatureforSeparator#1MaximumSeparator#1uptopressure2,900psi(200bar,
20.0MPa)PTPEU-CupSealMaximumtemperatureofOperationSeparator#1:80oCBackpressurecontrolvalveforsettingpressurein
Separator#1Activeregulationoftemperatureandpressurein
Separator#1.Flow Measurement:CoriolisMassFlowMeterfor
measuringCO2flow1.5kWElectricCO2high-efficiencypre-heater/heat
exchanger
Configuration OptionsSeparator #2AutomaticfeedbacktoregulatetheliquidCO2
Separator#2Volume:0.75LwithboltedendclosuresMaximumSeparator#2pressure2,900psi(200bar,
20.0MPa)MaximumSeparator#2temperature:50oCRegulationoftemperatureandpressureinSeparator#2.
Control OptionsProcesscontrolsviaNationalInstrumentscRIOcontrollerProcessmonitoringandloggingofallprocessconditions
andprocessstatevariablesTouchscreenoperatorwith15inchdiagonaldisplayAutomaticflowcontrolvalve
System RequirementsPower Requirements: 3Phase,208/240/380/400/480VAC,
50-60HzCO2 Supply: LiquidCO2cylinderwithdiptube.House Air: Dryair,regulatedto110psi,80SCFMThesystemisdesignedincompliancewithOSHA1910.109;NFPANEC(NationalElectricalCode;NFPA70E;ASMEcodesforpressurevessels,pipingandhighpressuresystems;andRecognizedandGenerallyAcceptedGoodEngineeringPractice
2/15P/N:SFT-NPX-SPEC
Supercritical Fluid Extractions, Reactions and High Pressure Chemistry www.supercriticalfluids.com