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In Situ Sensors For Monitoring And Control Of Pharmaceutical Crystallization Processes | 74654
ISSN: 2469-4134

Journal of Remote Sensing & GIS
Open Access

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In situ sensors for monitoring and control of pharmaceutical crystallization processes

2nd International Conference on GIS and Remote Sensing

Elena Simone

University of Leeds, UK

ScientificTracks Abstracts: J Remote Sensing & GIS

DOI: 10.4172/2469-4134-C1-008

Crystallisation is an important unit operation used as separation and purification technique. It is widely employed in the pharmaceutical, chemical, agrochemical, food and cosmetics industries but also in the electronic, metallurgic and material industries. More than 90% of the active pharmaceutical ingredients (APIs) on the market are produced by crystallisation and crystal size, shape and lattice structure (polymorphism) have a profound effect on the properties of the final drug as well as on the efficiency of the downstream operations (filtration, washing, drying, tableting etc.). Therefore, monitoring and control this process is fundamental to ensure the quality of the end product. The implementation of process analytical technology (PAT) tools during the development stage of APIs has largely helped in better understanding and optimizing both batch and, more recently, continuous crystallisation. Specific instrumentation can be used to monitor on-line, in situ, crystal size and shape (focused beam reflectance measurement, FBRM, particle vision and measurement, PVM), polymorphism (Raman, FTIR and NIR spectroscopy) and liquid phase composition (Attenuated total reflectance UV/VIS and FTIR, on-line HPLC). Furthermore, feedback control strategies based on PAT tools signal can be implemented in order to specifically tailor the characteristics of the produced crystals and gain higher product quality and process efficiency. In this work, examples of direct application of PAT tools in batch crystallization processes to improve crystal properties are shown and explained in detail.

Elena Simone graduated with an MSc in Chemical Engineering from the University of Pisa (Italy) and then moved to Loughborough University (UK) to study for a PhD in the Department of Chemical Engineering. After obtaining her doctorate degree she stayed in the same institution for a postdoc. Elena joined the School of Food Science and Nutrition at the University of Leeds in September 2016 as Lecturer in Remote Sensing.