2 results
Now showing1 - 2 of 2
- Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: with files , Concept of an enzymatic reactive extraction centrifuge(Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-20); ; ; Biocatalytic processes often provide an ecological alternative to many chemical processes. However, further improvements in terms of the economic efficiency are required. In order to achieve that, the concept of process integration is a promising option. Applying this within a biocatalytic process, a highly integrated apparatus working as a reactive extraction centrifuge was developed and operated. For this purpose, a commercially available extraction centrifuge was modified to implement a biocatalytic reaction. The novel apparatus was used within a multi-enzyme cascade for the production of a natural flavor and fragrance, namely cinnamic ester. The characterization of the reactive extraction centrifuge and the suitable operation conditions for the inlet streams and the rotational speed for a stable operation were determined. Furthermore, different initial substrate concentrations were applied to prove the reaction. The results provide a successful proof of concept for the novel reactive extraction centrifuge.Publicationtype: Journal ArticleScopus© Citations 1 126 281 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , Evaluation of process integration for the intensification of a biotechnological process(2021-10); ; ; ; Process intensification is a well-known and established method to improve ecological and economic efficiency of large-scale chemical processes. Process intensification in form of integrating an in-situ product or intermediate removal can also improve processes. In this study the effects of integrating an intermediate separation in form of an extraction centrifuge and a product separation in form of a pre-purification into a multi-enzyme cascade as well as the potential for further process integration in form of a reactive extraction centrifuge are analyzed for a biotechnological process. In order to evaluate the application of process integration, different process configurations are compared regarding to the efficiency using a model-based approach. Although the highly integrated process leads to lower space-time yields in some cases, an operating window can be identified in which the space-time yield is significantly higher compared to a sequential process. In order to distinguish both cases and thus choose a suitable operating point simulative studies are required. Moreover, a potential for further integration can be identified for the reference process studied in this work.Publicationtype: Journal Article97