Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer
An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD acco...
Ausführliche Beschreibung
Autor*in: |
Cruz, Patrícia [verfasserIn] Alvarez, Carlos [verfasserIn] Rocha, Fernando [verfasserIn] Ferreira, António [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
Active pharmaceutical ingredient |
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Übergeordnetes Werk: |
Enthalten in: Chemical engineering research and design - Amsterdam : Elsevier, 1983, 175, Seite 115-123 |
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Übergeordnetes Werk: |
volume:175 ; pages:115-123 |
DOI / URN: |
10.1016/j.cherd.2021.08.030 |
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Katalog-ID: |
ELV006799507 |
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520 | |a An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. | ||
650 | 4 | |a Active pharmaceutical ingredient | |
650 | 4 | |a Planar oscillatory flow crystallizer | |
650 | 4 | |a Continuous crystallization | |
650 | 4 | |a Crystal size distribution | |
650 | 4 | |a Aggregation | |
700 | 1 | |a Alvarez, Carlos |e verfasserin |0 (orcid)0000-0001-8161-2786 |4 aut | |
700 | 1 | |a Rocha, Fernando |e verfasserin |0 (orcid)0000-0002-2778-8374 |4 aut | |
700 | 1 | |a Ferreira, António |e verfasserin |0 (orcid)0000-0002-6381-981X |4 aut | |
773 | 0 | 8 | |i Enthalten in |t Chemical engineering research and design |d Amsterdam : Elsevier, 1983 |g 175, Seite 115-123 |h Online-Ressource |w (DE-627)312841965 |w (DE-600)2008006-2 |w (DE-576)090893190 |x 1744-3563 |7 nnns |
773 | 1 | 8 | |g volume:175 |g pages:115-123 |
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10.1016/j.cherd.2021.08.030 doi (DE-627)ELV006799507 (ELSEVIER)S0263-8762(21)00350-6 DE-627 ger DE-627 rda eng 540 660 DE-600 58.10 bkl Cruz, Patrícia verfasserin (orcid)0000-0002-2954-6969 aut Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. Active pharmaceutical ingredient Planar oscillatory flow crystallizer Continuous crystallization Crystal size distribution Aggregation Alvarez, Carlos verfasserin (orcid)0000-0001-8161-2786 aut Rocha, Fernando verfasserin (orcid)0000-0002-2778-8374 aut Ferreira, António verfasserin (orcid)0000-0002-6381-981X aut Enthalten in Chemical engineering research and design Amsterdam : Elsevier, 1983 175, Seite 115-123 Online-Ressource (DE-627)312841965 (DE-600)2008006-2 (DE-576)090893190 1744-3563 nnns volume:175 pages:115-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_206 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.10 Verfahrenstechnik: Allgemeines AR 175 115-123 |
spelling |
10.1016/j.cherd.2021.08.030 doi (DE-627)ELV006799507 (ELSEVIER)S0263-8762(21)00350-6 DE-627 ger DE-627 rda eng 540 660 DE-600 58.10 bkl Cruz, Patrícia verfasserin (orcid)0000-0002-2954-6969 aut Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. Active pharmaceutical ingredient Planar oscillatory flow crystallizer Continuous crystallization Crystal size distribution Aggregation Alvarez, Carlos verfasserin (orcid)0000-0001-8161-2786 aut Rocha, Fernando verfasserin (orcid)0000-0002-2778-8374 aut Ferreira, António verfasserin (orcid)0000-0002-6381-981X aut Enthalten in Chemical engineering research and design Amsterdam : Elsevier, 1983 175, Seite 115-123 Online-Ressource (DE-627)312841965 (DE-600)2008006-2 (DE-576)090893190 1744-3563 nnns volume:175 pages:115-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_206 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.10 Verfahrenstechnik: Allgemeines AR 175 115-123 |
allfields_unstemmed |
10.1016/j.cherd.2021.08.030 doi (DE-627)ELV006799507 (ELSEVIER)S0263-8762(21)00350-6 DE-627 ger DE-627 rda eng 540 660 DE-600 58.10 bkl Cruz, Patrícia verfasserin (orcid)0000-0002-2954-6969 aut Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. Active pharmaceutical ingredient Planar oscillatory flow crystallizer Continuous crystallization Crystal size distribution Aggregation Alvarez, Carlos verfasserin (orcid)0000-0001-8161-2786 aut Rocha, Fernando verfasserin (orcid)0000-0002-2778-8374 aut Ferreira, António verfasserin (orcid)0000-0002-6381-981X aut Enthalten in Chemical engineering research and design Amsterdam : Elsevier, 1983 175, Seite 115-123 Online-Ressource (DE-627)312841965 (DE-600)2008006-2 (DE-576)090893190 1744-3563 nnns volume:175 pages:115-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_206 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.10 Verfahrenstechnik: Allgemeines AR 175 115-123 |
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10.1016/j.cherd.2021.08.030 doi (DE-627)ELV006799507 (ELSEVIER)S0263-8762(21)00350-6 DE-627 ger DE-627 rda eng 540 660 DE-600 58.10 bkl Cruz, Patrícia verfasserin (orcid)0000-0002-2954-6969 aut Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. Active pharmaceutical ingredient Planar oscillatory flow crystallizer Continuous crystallization Crystal size distribution Aggregation Alvarez, Carlos verfasserin (orcid)0000-0001-8161-2786 aut Rocha, Fernando verfasserin (orcid)0000-0002-2778-8374 aut Ferreira, António verfasserin (orcid)0000-0002-6381-981X aut Enthalten in Chemical engineering research and design Amsterdam : Elsevier, 1983 175, Seite 115-123 Online-Ressource (DE-627)312841965 (DE-600)2008006-2 (DE-576)090893190 1744-3563 nnns volume:175 pages:115-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_206 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.10 Verfahrenstechnik: Allgemeines AR 175 115-123 |
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Cruz, Patrícia ddc 540 bkl 58.10 misc Active pharmaceutical ingredient misc Planar oscillatory flow crystallizer misc Continuous crystallization misc Crystal size distribution misc Aggregation Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer |
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540 660 DE-600 58.10 bkl Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer Active pharmaceutical ingredient Planar oscillatory flow crystallizer Continuous crystallization Crystal size distribution Aggregation |
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tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer |
title_auth |
Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer |
abstract |
An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. |
abstractGer |
An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. |
abstract_unstemmed |
An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to enable the control of the CSD according to different specifications. This new process was implemented in continuous in a planar oscillatory flow crystallizer (planar-OFC). In this work, the main goal was to enable the production of small crystals to meet very specific formulation requirements and, simultaneously, promote the aggregation of these small particles to optimize the filtration operation. First, the operating conditions were optimized for continuous operation. Then, the planar-OFC was divided into two spatially independent sections, the nucleation zone (where nucleation is dominant) and the crystal growth zone (where crystal growth is dominant), so as to control the CSD as a function of the residence time in each zone. In particular, the formation of aggregates could be promoted by increasing the residence time in the nucleation zone. Ultimately, the planar-OFC was able to produce smaller particles with significantly narrower CSDs than the traditional batch process. This is particularly important when small particle sizes are required, thus reducing manufacturing time and operating costs. |
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Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer |
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