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    Precipitation of NanoparticlesPrecipitation of Nanoparticlesby Impinging Jet Mixersby Impinging Jet Mixers

    Giuseppe Di BenedettoGiuseppe Di Benedetto

    ChE 702ChE 702--002002Modules inModules in

    NanoNano--PharmaceuticalsPharmaceuticals

    May 3, 2007May 3, 2007

    New Jersey Institute of TechnologyNew Jersey Institute of TechnologyOtto H. York

    Dept. of Chemical Engineering,Otto H. York Dept. of Chemical Engineering,Newark, NJ 07102Newark, NJ 07102

    http://www.polysep.ucla.edu/resear2.jpg

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 22

    OutlineOutline

    The Role of Crystallization in theThe Role of Crystallization in thePharmaceutical IndustryPharmaceutical Industry

    Brief Review of CrystallizationBrief Review of Crystallization Impinging Jet MixerImpinging Jet Mixer

    Submerged Impinging Jet MixerSubmerged Impinging Jet Mixer

    Confined Imp

    ing

    ing Jet M

    ixerConf

    ined Imp

    ing

    ing Jet M

    ixer

    ConclusionConclusion

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 33

    CrystallizationintheCrystallizationinthe

    Pharmaceutical IndustryPharmaceutical Industry Over 90% of pharmaceutical drugOver 90% of pharmaceutical drug

    compounds (API) are generally incompounds (API) are generally in

    crystalline formcrystalline form

    Control and operation of crystallizationControl and operation of crystallizationprocesses is one of the mostimportantprocesses is one of the mostimportantchallenges in pharmaceutical developmentchallenges in pharmaceutical development

    http://www.kaneda.co.jp/universal/images/solutions/phar_api.jpg

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 44

    CrystallizationintheCrystallizationinthe

    Pharmaceutical IndustryPharmaceutical Industry Crystallization determines:Crystallization determines:

    Drug Chemical PurityDrug Chemical Purity

    Physical Propert

    iesPhys

    ical Propert

    ies

    Crystal SizeCrystal Size

    Crystal StructureCrystal Structure

    Degree of Crystal ImperfectionDegree of Crystal Imperfection

    Crystal Size Distribution (CSD) affectsCrystal Size Distribution (CSD) affects BioavailabilityBioavailability

    StabilityStability

    PostPost--Crystallization ProcessingCrystallization Processing

    http://www.niroinc.com/images/evap/crystallizer2.jpg

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 55

    CrystallizationCrystallization

    Crystallization consists of two steps:Crystallization consists of two steps:

    = sol id formation begins with= solid formation begins withappearance of very small crystalsappearance of very small crystals Primary nucleationPrimary nucleation

    Secondary nucleationSecondary nucleation

    = subsequent growth of the= subsequent growth of the

    crystals after the nucleation stagecrystals after the nucleation stage

    NucleationNucleation

    Crystal GrowthCrystal Growth

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 66

    Nanoparticle CrystallizationNanoparticle Crystallization

    http://www.matsceng.oh io-state.edu/mse205/lectures/chapter10/chap10_slide5.gif

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 77

    TypicalCrystallizationTypicalCrystallizationT

    echniquesT

    echniquesAntiAnti--solvent Crystallizationsolvent Crystallization

    Solute (e.g.: API) is deposited from solution bySolute (e.g.: API) is deposited from solution byaddition of antiaddition of anti--solvent (e.g.: water)solvent (e.g.: water)

    Sometimes referred to as saltingSometimes referred to as salting--out or wateringout or watering--outout

    Reactive CrystallizationReactive Crystallization Solid crystalline product production as a result of aSolid crystalline product production as a result of a

    chemical reactionchemical reaction

    Gases or liquids act as the reactantsGases or liquids act as the reactants

    Gaseous or liquid phase becomes supersaturated withGaseous or liquid phase becomes supersaturated withrespect to reaction productrespect to reaction product

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 88

    Time required for homogenously mixed supersaturatedTime required for homogenously mixed supersaturatedsystem depends on mixing techniquesystem depends on mixing technique

    When , the final product characteristicsWhen , the final product characteristics

    depend on physicodepend on physico--chemical parameters and not onchemical parameters and not onmixing conditionsmixing conditions

    When , properties of the final productWhen , properties of the final productare greatly affectedare greatly affected

    Mixing vsPrecipitation KineticsMixing vsPrecipitation Kinetics

    mixingprecipXX ""

    Johnson and Prudhomme (2003) AIChE J. v49 p2264

    mixingprecip XX }

    mixingprecip XX ""

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    Impinging JetMixerImpinging JetMixer

    Two jet nozzles arranged diametrically opposedTwo jet nozzles arranged diametrically opposedto each otherto each other

    Outlet tips directed to face each otherOutlet tips directed to face each other

    The impingement creates an immediate highThe impingement creates an immediate highturbulence impactturbulence impact

    DeliverDeliver p ecipmixing XX

    Schaer et al (1999) Chem Eng J. v72 p125

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 1010

    TypesofImpinging JetMixersTypesofImpinging JetMixers

    Submerged Impinging Jet MixerSubmerged Impinging Jet Mixer Midler, Jr. et al. (Merck, 1994) USPT #5,314,506Midler, Jr. et al. (Merck, 1994) USPT #5,314,506

    Lindrud et al. (BMS, 2001) USPT #6,302,958Lindrud et al. (BMS, 2001) USPT #6,302,958

    Am Ende et al. (Pfizer, 2003) USPT #6,558,435Am Ende et al. (Pfizer, 2003) USPT #6,558,435

    Confined Impinging Jet MixerConfined Impinging Jet Mixer

    Midler, Jr. et al. (Merck, 1994) USPT #5,314,506Midler, Jr. et al. (Merck, 1994) USPT #5,314,506 Am Ende et al. (Pfizer, 2003) USPT #6,558,435Am Ende et al. (Pfizer, 2003) USPT #6,558,435

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 1111

    SubmergedImpinging JetMixerSubmergedImpinging JetMixer

    Collide in a large chamberCollide in a large chamber

    Walls have little effect on impingementWalls have little effect on impingement

    processprocess Chamber is filled with gas or fluidChamber is filled with gas or fluid

    When low viscosity fluid, sometimes referredWhen low viscosity fluid, sometimes referredto as Free Impinging Jet Mixerto as Free Impinging Jet Mixer

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    Midler, Jr. etal (Merck, 1994)Midler, Jr. etal (Merck, 1994)

    API = Simvastatin (ZocorAPI = Simvastatin (Zocor)) Controls elevated cholesterolControls elevated cholesterol

    levelslevels

    Solvent = MethanolSolvent = MethanolAntiAnti--Solvent = WaterSolvent = Water

    Heated to 85Heated to 85ooCC

    Solvent Solution = 55Solvent Solution = 55ooCC Seeded AntiSeeded Anti--Solvent withinSolvent within

    vesselvessel 2.5 grams Simvastatin2.5 grams Simvastatin 600 mL water at 70600 mL water at 70ooCC

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    Midler, Jr. etal (Merck, 1994)Midler, Jr. etal (Merck, 1994)

    Jet Flow Rate = 1.1 L/minJet Flow Rate = 1.1 L/min

    Jet Velocity = 23 m/sJet Velocity = 23 m/s

    6 L baffled vessel6 L baffled vessel

    Diameter = 8 inchDiameter = 8 inch Height = 10 inchHeight = 10 inch

    Rushton TurbineRushton Turbine Diameter = 3 inchDiameter = 3 inch

    Crystal ParticlesCrystal Particles Surface Area = 3.1Surface Area = 3.10.4 m0.4 m22/g/g

    Particle Size = 3 to 20 micronsParticle Size = 3 to 20 microns

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    Lindrud etal (BMS, 2001)Lindrud etal (BMS, 2001)

    API = (ZAPI = (Z--33--[1[1--(4(4--chorophenyl)chorophenyl)--11--(4(4--methylsulfonylpenyl)methylsulfonylpenyl)methylene]methylene]--dihydrofurandihydrofuran--22--

    oneone Solvent = DMSOSolvent = DMSO

    AntiAnti--Solvent = WaterSolvent = Water Chilled to 2Chilled to 2ooCC

    Solvent Solution = 65Solvent Solution = 65--7575

    oo

    CC AntiAnti--Solvent within vesselSolvent within vessel

    300 mL water at 2300 mL water at 2ooCC

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    Lindrud etal (BMS, 2001)Lindrud etal (BMS, 2001)

    Sonication at maximumSonication at maximum

    Solvent Jet Flow Rate = 0.18 kg/minSolvent Jet Flow Rate = 0.18 kg/minthrough 0.02 nozzlethrough 0.02 nozzle

    Water Jet Flow Rate = 0.72 kg/minWater Jet Flow Rate = 0.72 kg/minthrough 0.04 nozzlethrough 0.04 nozzle

    Jet Velocity = 12 m/sJet Velocity = 12 m/s

    1000 mL jacketed vessel1000 mL jacketed vessel

    Rushton TurbineRushton Turbine

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 1616

    Lindrud etal (BMS, 2001)Lindrud etal (BMS, 2001)

    Experiment No. Mean Size %

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    BenefitofSonicationBenefitofSonication

    Impinging JetsImpinging Jets 101055 W/kgW/kg

    SonicationSonication 101099 W/kgW/kg

    Atiemo-Obeng & Calabrese (2004)Handbook of Industrial Mixing:Science and Practice,

    Rotor-Stator M ixing Devices p500

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    Am Ende etal (Pfizer, 2003)Am Ende etal (Pfizer, 2003)

    Reactive Crystallization of 5,8,14Reactive Crystallization of 5,8,14--triazatetracyclo[10.3.1.0triazatetracyclo[10.3.1.02,112,11.0.04,94,9]]--hexadecahexadeca--22--(11),3,5,7,9(11),3,5,7,9--pentaenepentaene

    First Solvent = Ethyl AcetateFirst Solvent = Ethyl Acetate

    Reactant = (L)Reactant = (L)--tartaric acidtartaric acid Second Solvent = MethanolSecond Solvent = Methanol Seeded Solution within vesselSeeded Solution within vessel

    20 mg 5,8,1420 mg 5,8,14--triazatetracyclo[10.3.1.0triazatetracyclo[10.3.1.02,112,11.0.04,94,9]]--hexadecahexadeca--22--(11),3,5,7,9(11),3,5,7,9--pentaenepentaene(L)(L)--tartratetartrate

    250 mL methanol250 mL methanol 250 mL ethyl acetate250 mL ethyl acetate

    Room TemperatureRoom Temperature

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    Am Ende etal (Pfizer, 2003)Am Ende etal (Pfizer, 2003)

    Jet Flow Rate = 20Jet Flow Rate = 20mL/minmL/min

    Jet Velocity = 13.4 m/sJet Velocity = 13.4 m/s

    Crystal ParticlesCrystal Particles Mean Particle Size =Mean Particle Size =

    10 microns10 microns

    5% of Particles were less5% of Particles were lessthan 5 micronsthan 5 microns

    95% of Particles were less95% of Particles were lessthan 15 micronsthan 15 microns

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 2020

    ConfinedImpinging JetMixerConfinedImpinging JetMixer

    Collide in a small chamberCollide in a small chamber

    Walls have large effect on impingementWalls have large effect on impingement

    processprocess Chamber can be filled with gas or fluid, orChamber can be filled with gas or fluid, or

    left emptyleft empty

    Resulting product d

    ischarges

    into largerResult

    ing product d

    ischarges

    into largervesselvessel

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 2121

    Midler, Jr. etal (Merck, 1994)Midler, Jr. etal (Merck, 1994)

    API = Omeprazole (PrilosecAPI = Omeprazole (Prilosec)) Treatment of gastroesophageal refluxTreatment of gastroesophageal reflux

    diseasedisease

    Solvent = MethanolSolvent = Methanol AntiAnti--Solvent = Triton XSolvent = Triton X--100 in100 in

    waterwater SurfactantSurfactant Heated to 42Heated to 42ooCC

    Solvent SolutionSolvent Solution 250 mL Methanol250 mL Methanol

    0.25 mL concentrated Ammonium0.25 mL concentrated AmmoniumHydroxideHydroxide

    Solution Temperature = 42Solution Temperature = 42ooCC

    Jet Flow Rate = 0.7 L/minJet Flow Rate = 0.7 L/min Jet Velocity = 15 m/sJet Velocity = 15 m/s

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    Midler, Jr. etal (Merck, 1994)Midler, Jr. etal (Merck, 1994)

    Receiving vessel at 42Receiving vessel at 42ooCC

    200 mL of water200 mL of water

    0.3 mL ofTriton X0.3 mL of

    Triton X--100100 0.45 grams Omeprazole0.45 grams Omeprazole

    Crystal ParticlesCrystal Particles

    CubeCube--like particleslike particles

    95% of particles smaller95% of particles smallerthan 3 micronsthan 3 microns

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    Giuseppe Di BenedettoGiuseppe Di Benedetto 2323

    Am Ende etal (Pfizer, 2003)Am Ende etal (Pfizer, 2003)

    Reactive Crystallization ofReactive Crystallization ofZiprasidone (Geodon, Zeldox)Ziprasidone (Geodon, Zeldox) Treatment of schizophreniaTreatment of schizophrenia

    First Solvent = TetrahydrofuranFirst Solvent = Tetrahydrofuran

    (THF)(THF) Maintained at 60Maintained at 60ooCC Reactant = aqueous HCl solutionReactant = aqueous HCl solution

    Maintained at 15Maintained at 15ooCC

    THF solution JetTHF solution Jet

    Flow Rate = 120 mL/minFlow Rate = 120 mL/min Velocity = 9.9 m/sVelocity = 9.9 m/s

    HCl solution JetHCl solution Jet Flow Rate = 100 mL/minFlow Rate = 100 mL/min Velocity = 9.5 m/sVelocity = 9.5 m/s

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    Am Ende etal (Pfizer, 2003)Am Ende etal (Pfizer, 2003)

    Receiving vessel at 30Receiving vessel at 30ooCC

    Started emptyStarted empty

    Crystal ParticlesCrystal Particles Mean Particle Size =Mean Particle Size =

    22.5 microns22.5 microns

    0% of Particles were less0% of Particles were less

    than 1 micronthan 1 micron 90% of Particles were less90% of Particles were less

    than 41 micronsthan 41 microns

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    Marchisio etal (2006)Marchisio etal (2006)

    Reactive CrystallizationReactive Crystallization

    Room TemperatureRoom Temperature

    2NaCl(aq)(s)BaSO(aq)SONa(aq)BaCl 4422

    Marchisio et al. (2006) AIChE J. v52 p1877

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    Marchisio etal (2006)Marchisio etal (2006)

    Marchisio et al. (2006) AIChE J. v52 p1877

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    Marchisio etal (2006)Marchisio etal (2006)

    Marchisio et al. (2006) AIChE J. v52 p1877

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    Impinging JetMixerImpinging JetMixerConclusionsConclusions

    Very useful when milling is not an optionVery useful when milling is not an option(e.g.: very small crystals for inhalation delivery(e.g.: very small crystals for inhalation deliverysystems)systems)

    Rapid precipitation under high supersaturationRapid precipitation under high supersaturationfavors nucleation over growthfavors nucleation over growth

    Thus resulting in particles with small averageThus resulting in particles with small averagesizesize

    Offers consistent, reproducible crystalOffers consistent, reproducible crystalproduction resultsproduction results

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    Impinging JetMixerImpinging JetMixerConclusionsConclusions

    The interplay between mixing and precipitationThe interplay between mixing and precipitationis crucialis crucial

    Submerged Impinging Jet Mixers alone produceSubmerged Impinging Jet Mixers alone produce

    particles only as small as 3 micronsparticles only as small as 3 microns Submerged Impinging Jet Mixers combined withSubmerged Impinging Jet Mixers combined with

    Sonication can produce particles as small asSonication can produce particles as small as200 nm200 nm

    Confined Impinging Jet Mixers can produceConfined Impinging Jet Mixers can produceparticles smaller than 100 nmparticles smaller than 100 nm

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    ReferencesReferences

    Am Ende, Dav id J., et al. Reactive Crystallization Method to Improve Particle Size. US Patent 6558435. 6 MayAm Ende, Dav id J., et al. Reactive Crystallization Method to Improve Particle Size. US Patent 6558435. 6 May2003.2003.

    AtiemoAtiemo--Obeng, Victor A., and Richard V. Calabrese. RotorObeng, Victor A., and Richard V. Calabrese. Rotor--Stator Mixing Devices.Stator Mixing Devices. Handbook of IndustrialHandbook of IndustrialMixing: Science and PracticeMixing: Science and Practice. Ed. Edward L. Paul, Victor A. Atiemo. Ed. Edward L. Paul, Victor A. Atiemo--Obeng, and Suzanne M. Kresta.Obeng, and Suzanne M. Kresta.Hoboken: John Wiley & Sons, Inc., 2004. 479Hoboken: John Wiley & Sons, Inc., 2004. 479--505.505.

    Hacherl, Jean M., et al. Investigation of ImpingingHacherl, Jean M., et al. Investigation of Impinging--Jet Crystallization with a Calcium Oxalate Model System.Jet Crystallization with a Calcium Oxalate Model System.AIChE JournalAIChE Journal 49 (2003): 235249 (2003): 2352--2362.2362.

    Johnson, Brian K., and Robert K. Prudhomme. Chemical Processing and Micromixing in Confined Impining Jets.Johnson, Brian K., and Robert K. Prudhomme. Chemical Processing and Micromixing in Confined Impining Jets.AIChE JournalAIChE Journal 49 (2003): 226449 (2003): 2264--2282.2282.

    Kirwan, D.J., and C.J. Orella. Crystallization in the Pharmaceutical and Bioprocessing Industries.Kirwan, D.J., and C.J. Orella. Crystallization in the Pharmaceutical and Bioprocessing Industries. Handbook ofHandbook ofIndustrial CrystallizationIndustrial Crystallization. 2. 2ndnd Ed. Ed. Allan S. Myerson. Boston: ButterworthEd. Ed. Allan S. Myerson. Boston: Butterworth--Heinemann, 2002. 249Heinemann, 2002. 249--266.266.

    Lindrud, Mark D., et al. Sonic Impinging Jet Crystallization Apparatus and Process. US Patent 6302958. 16Lindrud, Mark D., et al. Sonic Impinging Jet Crystallization Apparatus and Process. US Patent 6302958. 16Oct. 2001.Oct. 2001.

    Mahajan, Amarjit J., and Donald J. Kirwan. Micromoxing Effects in a TwoMahajan, Amarjit J., and Donald J. Kirwan. Micromoxing Effects in a Two--ImpiningImpining--Jets Precipitator.Jets Precipitator. AIChEAIChEJournalJournal 42 (1996): 180142 (1996): 1801--1814.1814.

    Marcant, Bruno, and RenMarcant, Bruno, and Ren David. Experimental Evidence for and Prediction of Micromixing Effects in David. Experimental Evidence for and Prediction of Micromixing Effects inPrecipitation.Precipitation. AIChE JournalAIChE Journal 37 (1991): 169837 (1991): 1698--1710.1710.

    Marchisio, Daniele L., et al. Design and ScaleMarchisio, Daniele L., et al. Design and Scale--Up of Chemical Reactors for Nanoparticle Precipitation.Up of Chemical Reactors for Nanoparticle Precipitation. AIChEAIChE

    JournalJournal 52 (2006): 187752 (2006): 1877--1887.1887. Mersmann, A., ed.Mersmann, A., ed. Crystallization Technology HandbookCrystallization Technology Handbook. 2. 2ndnd Ed. New York: Marcel Dekker, Inc., 2001.Ed. New York: Marcel Dekker, Inc., 2001. Midler, Jr., Michael, et al. Crystallization Method to Improve Crystal Structure and Size. US Patent 5314506.Midler, Jr., Michael, et al. Crystallization Method to Improve Crystal Structure and Size. US Patent 5314506.

    24 May 1994.24 May 1994. Mullin, J.W.Mullin, J.W. CrystallizationCrystallization. 4. 4thth Ed. Amsterdam: Elsevier ButterworthEd. Amsterdam: Elsevier Butterworth--Heinemann, 2001.Heinemann, 2001. Schaer, Eric, et al. Determination of Local Energy Dissipation Rates in Impinging Jets by a Chemical ReactionSchaer, Eric, et al. Determination of Local Energy Dissipation Rates in Impinging Jets by a Chemical Reaction

    Method.Method. Chemical Engineering JournalChemical Engineering Journal 72 (1999): 12572 (1999): 125--138.138.