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Continuous Multistep Encapsulation Process for the Generation of Multiple Emulsions
Author(s) -
Luhede Laura,
Besser Benjamin,
Schumacher Daniel,
Wilhelm Michaela,
Fritsching Udo
Publication year - 2021
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.202000255
Subject(s) - encapsulation (networking) , process engineering , emulsion , materials science , membrane , chemical engineering , chromatography , chemistry , computer science , engineering , computer network , biochemistry
Multiple emulsions (ME) are of interest as carrier of active ingredients that can be released in a controlled way. ME are thermodynamically unstable with a strong tendency to coalesce or flocculate, resulting in a complex emulsion generation and stabilization process. Typical encapsulation procedures utilize individual batch operation steps for the ME production. In this work, a multistep membrane encapsulation process is proposed to allow the generation of ME in a continuous shear‐sensitive processing through different membrane stages. The stages combine the premix generation, followed by the internal phase production, and the final ME encapsulation step. For each step, a tailored membrane with different surface properties is used and combined into the continuous process.

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