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Showing 1 to 9 of 9 for “"MSMPR"”.
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Investigation of batch and continuous crystallisation processes using non-invasive Raman and acoustic emission spectrometries
… mixed suspension, mixed product removal (MSMPR) reactors. Metastable α-LGA was more easily obtained in both continuous reactors than conventional batch reactors. Narrower size distributions (e.g. spans of 1.5 - 2 and 4 - 8, respectively) and lower yields (e.g. 20 - 50% and 30 - 70%, …
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Study of nucleation mechanisms and rational design of small-scale continuous crystallizers
… mixed-suspension mixed-product removal (MSMPR) system with a small footprint that works robustly at suspension handling. When optimizing this design with antisolvent crystallization, it was discovered that crystallization kinetic parameters are affected by antisolvent composition …
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Control of polymorphism in continuous crystallization
… in mixed-suspension, mixed-product removal (MSMPR) crystallization. We first elucidated the major intrinsic and extrinsic factors which govern the process polymorphism in both monotropic and enantiotropic polymorphic compounds. Using the monotropic L-glutamic acid as the model compound, two …
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The design, development and testing of a non-invasive continuous crystalliser system for the study of calcium oxalate crystallisation processes
The MSMPR was designed according to chemical engineering principles and tests showed that it conforms to the assumptions necessary for conventional MSMPR analysis. Various crystalliser offtakes and six system designs were developed and tested to allow measurements using the thermostatted flow cell. …
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An investigation into the precipitation of Fe(III) oxyhydroxides in lime neutralization processes
… L glass mixed-suspension-mixed-product-removal (MSMPR) reactor under ambient laboratory temperature at 21 ± 1 °C. The agitated MSMPR was equipped with a lid containing ports for pH and temperature probes and four uniformly spaced stainless steel baffles to maximize mixing of the reagents. A …
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Novel continuous crystallization configurations for improved yield, purity and controlled crystal size distribution
… mixed-suspension, mixed-product removal (MSMPR) crystallization to minimize the number of stages and total residence time; (3) the combination of impurity complexation and organic solvent nanofiltration to remove the impurity that has similar molecular weight and structure to the active …
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Crystallization of calcium sulphate during phosphoric acid production : improving filtration through improvement in particle shape and size distribution
… using a mixed-suspension, mixed-product removal (MSMPR) crystallizer. The crystal size distribution and supersaturation are measured once the process reaches steady state. Different conditions are imposed to acquire both the temperature and supersaturation dependency of the crystallization …
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Crystal growth and nucleation kinetics of diethylenetriammonium hexachlororhodate (III) salt
At Anglo American Platinum's Precious Metal Refinery, rhodium separates from a base metal-rich solution by precipitation. Hexachlororhodate (III) ions and cationic protonated diethylenetriamine ions exchange to form diethylenetriammonium hexachlororhodate (III) crystals, a rhodium metal precursor. …
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Crystalization studies in hollow fiber devices
… of Mixed Suspension Mixed Product Removal (MSMPR) crystallizers. In addition, 90% of the crystals produced were confined to sizes at least two times smaller, while the nucleation rates achieved were 2-3 orders of magnitude higher. Runs with aqueous paracetamol (4-acetamidophenol) solutions …