crystallisation process
From discovery to scale-up: alpha-lipoic acid : nicotinamide co-crystals in a continuous oscillatory baffled crystalliser
... co-crystallisation process of α-lipoic acid with nicotinamide was then investigated in a continuous oscillatory baffled ...continuous crystallisation process in a continuous oscillatory ...
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Enabling precision manufacturing of active pharmaceutical ingredients : workflow for seeded cooling continuous crystallisation
... medicines. Crystallisation is a key operation in the isolation of the majority of pharmaceuticals and has been demonstrated in a continuous manner on a number of compounds using a range of processing technologies ...
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Mixing Time—Experimental Determination and Applications to the Modelling of Crystallisation Phenomena
... typical crystallisation process is several hours compared to a time step necessary to achieve reasonable accuracy in the range of ...of crystallisation process time, with the currently ...
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The effect of ultrasound on the crystallisation of paracetamol in the presence of structurally similar impurities
... the crystallisation was halted at 15 ◦ ...crystallisation process. The non-ultrasound treated samples nucleate later in the process and the total number of nuclei is lower resulting in less ...
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Crystallisation in water in cocoa butter emulsions: role of the dispersed phase on fat crystallisation and polymorphic transition
... 3.2.2.1. Crystallisation kinetics at 5 C and 10 ...of crystallisation among systems, for experiments performed at 5 C and 10 C, only the SFC data recorded between 5 and 20 min after the start were used for ...
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Crystallisation route map
... a crystallisation process, a multi-phase and multi-component system is required to be solved using multi-phase CFD for velocity, temperature, concentration distributions, coupled with population balance ...
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Nucleation mechanism and kinetics from the analysis of polythermal crystallisation data: Methyl stearate from kerosene solutions
... the crystallisation process, where the limit of metastability corresponds to the moment at which the first crystals are formed, where their surface areas can be considered to be negligibly ...
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Enabling precision manufacturing of active pharmaceutical ingredients : workflow for seeded cooling continuous crystallisations
... medicines. Crystallisation is a key operation in the isolation of the majority of pharmaceuticals and has been demonstrated in a continuous manner on a number of compounds using a range of processing technologies ...
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Molecular deformation mechanisms in polyethylene
... a crystallisation process due to the drawing was observed, except maybe for the medium groups from draw ratio of 1 to ...of crystallisation were possibly observed in the evolution of the splitting ...
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Application of the Avrami Theory for Wax Crystallisation of Synthetic Crude Oil
... The crystallisation process is expected to start randomly at various locations from the nucleation sites and spread outwards. This is demonstrated by the conception of raindrops dropping in a pool creating ...
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Engineering of acetaminophen particle attributes using a wet milling crystallisation platform
... There are a range of fundamental mechanisms that have been pro- posed to describe secondary nucleation in suspensions of crystals (Agrawal and Paterson, 2015; Botsaris, 1976; Garside and Davey, 1980). Kamahara (Kamahara ...
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Viedma ripening : a reliable crystallisation method to reach single chirality
... the process is remarkably simple’’ 25 the underlying mechanism is more ...ripening process along the four factors described in the following paragraphs (also indicated with the numbers in ...
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Efficiency study on a new progressive freeze concentration system for freeze wastewater treatment
... The same experimental procedure was used in order to investigate the effect of initial concentration on the efficiency of this system. Solute concentration was investigated for the range of 2-8 mg/ml. Other parameter ...
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Understanding the role of low glass transition temperature excipients in the mitigation of amorphisation on mechanical processing
... the crystallisation temperature was lower for the spray dried system at 120 °C, indicating the effect of the route of formation on the crystallisation behaviour of the ...surface crystallisation ...
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Creating hierarchies promptly : microwave accelerated synthesis of ZSM 5 zeolites on macrocellular silicon carbide (SiC) foams
... ferent crystallisation times are summarised in Table ...the crystallisation time from 1 to 4 h at 150 ° C, relative crystallinity increased by 60%, which can be ascribed to the on- going ...
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Potassium Dihydrogen Phosphate Purification Process by Crystallisation in the Presence of Chelating Agents
... Mother liquor wetting and covering crystals with the high surface area can be the source of contamination. The necessity of executing the procedure of washing a product was estimated. The cooling crystallisation ...
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Image-based monitoring for early detection of fouling in crystallisation processes
... detect process state changes using Bayesian online change point detection is also proposed, where the first change point is used to determine induction time either at the surface or in the bulk, based on real-time ...
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Isothermal and non isothermal crystallization kinetics of composites of poly(propylene) and MWCNTs
... 40 K/min. cooling rate was excluded from all calculations, the remaining data listed in Table 6. By applying the Ozawa model to the results obtained, a clear two-stage crystallization process is evident. However, ...
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Characterization and modelling of antisolvent crystallization of salicylic acid in a continuous oscillatory baffled crystallizer
... For the bulk, fi ne chemicals, food and pharmaceutical indus- tries, crystallization is a key separation and puri fi cation process. In the pharmaceutical industry alone, over 90% of all active pharmaceutical ...
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General guidelines and specific contributions of Romania's Foreign Policy and Security Policy and the European Security and Defense of the EU in terms of the sustainable development
... the crystallisation of the EU common positions in foreign policy, defense and security, and promotion in the framework of specific national interests of Romania by: • Supporting the institutional reform of the EU ...
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