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Cefquinome Controlled Size Submicron Particles Precipitation by SEDS Process Using Annular Gap Nozzle
المؤلفون المشاركون
Kefeng, Xiao
Weiqiang, Wang
Dedong, Hu
Qu, Yanpeng
Hao, Zhihui
Wang, Leilei
المصدر
International Journal of Chemical Engineering
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-07-03
دولة النشر
مصر
عدد الصفحات
8
الملخص EN
An annular gap nozzle was applied in solution enhanced dispersion by supercritical fluids (SEDS) process to prepare cefquinome controlled size submicron particles so as to enhance their efficacy.
Analysis results of orthogonal experiments indicated that the concentration of solution was the primary factor to affect particle sizes in SEDS process, and feeding speed of solution, precipitation pressure, and precipitation temperature ranked second to fourth.
Meanwhile, the optimal operating conditions were that solution concentration was 100 mg/mL, feeding speed was 9 mL/min, precipitation pressure was 10 MPa, and precipitation temperature was 316 K.
The confirmatory experiment showed that D50 of processed cefquinome particles in optimal operating conditions was 0.73 μm.
Moreover, univariate effect analysis showed that the cefquinome particle size increased with the increase of concentration of the solution or precipitation pressure but decreased with the increase of solution feeding speed.
When precipitation temperature increased, the cefquinome particle size showed highest point.
Moreover, characterization of processed cefquinome particles was analyzed by SEM, FT-IR, and XRD.
Analysis results indicated that the surface appearance of processed cefquinome particles was flakes.
The chemical structure of processed cefquinome particles was not changed, and the crystallinity of processed cefquinome particles was a little lower than that of raw cefquinome particles.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Kefeng, Xiao& Weiqiang, Wang & Dedong, Hu& Qu, Yanpeng& Hao, Zhihui& Wang, Leilei. 2017. Cefquinome Controlled Size Submicron Particles Precipitation by SEDS Process Using Annular Gap Nozzle. International Journal of Chemical Engineering،Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1165250
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Kefeng, Xiao…[et al.]. Cefquinome Controlled Size Submicron Particles Precipitation by SEDS Process Using Annular Gap Nozzle. International Journal of Chemical Engineering No. 2017 (2017), pp.1-8.
https://search.emarefa.net/detail/BIM-1165250
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Kefeng, Xiao& Weiqiang, Wang & Dedong, Hu& Qu, Yanpeng& Hao, Zhihui& Wang, Leilei. Cefquinome Controlled Size Submicron Particles Precipitation by SEDS Process Using Annular Gap Nozzle. International Journal of Chemical Engineering. 2017. Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1165250
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1165250
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