Application of Process Modelling Tools in the Scale-Up of Pharmaceutical Crystallisation Processes
Application of Process Modelling Tools in the Scale-Up of Pharmaceutical Crystallisation Processes
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DOI:
10.1021/op040013n
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发表时间:
2004-11
影响因子:
3.4
通讯作者:
B. Schmidt;Jeegna Patel;F. Ricard;Clemens Brechtelsbauer;N. Lewis
中科院分区:
文献类型:
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作者:
B. Schmidt;Jeegna Patel;F. Ricard;Clemens Brechtelsbauer;N. Lewis
Crystallisations are frequent process steps in the manufacture of active pharmaceutical ingredients (APIs). They are the primary means of intermediate or product formation and separation to achieve the desired purity and form. These unit operations are complex processes which are difficult to control due to the interlinked chemical and physical effects. For example, chemical aspects such as salt and polymorph concerns are in the forefront of process research, but physical effects manifesting themselves on scale-up, due to equipment influences, can be equally important for the successful outcome of a campaign. Several operational parameters, such as temperature or impeller speed, need to be understood and controlled to achieve constant desupersaturation, consistent narrow particle size distribution around the desired mean, minimal attrition, and homogeneous growth conditions. This paper focuses on the equipment influence on crystallisations, relating it to first principles with respect to heat and momentum...