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2 edition of Modelling quality in spray drying found in the catalog.

Modelling quality in spray drying

F. Kieviet

Modelling quality in spray drying

by F. Kieviet

  • 297 Want to read
  • 2 Currently reading

Published by University of Eindhoven in Eindhoven .
Written in English


Edition Notes

StatementF. Kieviet.
The Physical Object
Pagination100p.
Number of Pages100
ID Numbers
Open LibraryOL16770900M
ISBN 109038610084

  Spray drying is a well-established method for transforming liquid materials into dry powder form. Widely used in the food and pharmaceutical industries, this technology produces high quality powders with low moisture content, resulting in a wide range of shelf stable food and other biologically significant products. Book. Jan ; Bárbara E. Meza; Juan Manuel Peralta () 83– Modelling spray drying processes Mechanisation and Automation in Dairy Technology. Modelling quality in spray.

The objective of this article is to provide a brief review of some advances in modelling quality changes of fruits and vegetables during drying. These include modelling of nutritional, colour and selected physical changes. Approaches to monitoring and modelling microstructural changes are also mentioned.   Freeze-drying is an extreme form of vacuum drying in which the water or other solvent is frozen and drying takes place by subliming the solid phase. Freeze-drying is extensively used in two situations: (1) when high rates of decomposition occur during normal drying; and (2) with substances that can be dried at higher temperatures, and that are.

The values for operating parameters were estimated from product experience with respect to the required quality specification. The powder temperature is estimated to be 5°C below the outlet air temperature, fines recirculation ratio R = , radiation loss coefficient . Spray Drying Process. Model validation and sample preparation were done by performing several spray drying experiments with a B spray dryer in conjunction with a high performance cyclone and a B dehumidifier (Büchi Labortechnik AG, Flawil, Switzerland). All results were obtained with the spray dryer in closed loop configuration.


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Modelling quality in spray drying by F. Kieviet Download PDF EPUB FB2

A fundamental model that can be used for predicting product quality in spray drying processes. The approach to this is to model what particles experience in the drying chamber with respect to air temperature and humidity, in other words the particles' air temperature and humidity histories.

These histories can be obtained. TY - THES. T1 - Modelling quality in spray drying. AU - Kieviet, F.G. PY - Y1 - U2 - /IR DO - /IR M3 - Phd Thesis 1 (Research TU/e / Graduation TU/e)Cited by:   The kinetics or rates of drying are the governing factors that determine the end product quality such as colour, texture, shrinkage, flavour, odour, rehydration, nutrients and etc.

Mathematical modelling is often used in dryer design to link between the transport processes and the evolution of product quality attributes during drying. Further, the different process parameters and their influence on product quality are presented here to assist readers in the design of spray drying process trials.

In addition to the advantages and diverse food applications of spray drying, the numerical modeling approach to understand certain complex phenomena that occur during this process is also discussed in this chapter.

ics to Model Product Quality in Spray Drying: Air Flow, Tempera-ture and Humidity P atterns, ” Proceedings of the 10th International.

Drying Symposium, vol. A, pp. –, Krako w, P oland Author: Ireneusz Zbicinski. The spray-dryer model was implemented in the gPROMS Environment considering as input for each run the data presented in Table 1 (i.e., CIP concentration, drying air inlet temperature, feed flowrate and atomization air flowrate), the ambient temperature and relative humidity, the mean droplet size correlation presented in Section and the heat transfer coefficient fitted in Section The model.

Volume 3: Discusses how desired properties of foods, biomaterials, active pharmaceutical ingredients, and fragile aerogels can be preserved during drying, and how spray drying and spray fluidized bed processes can be used for particle formation and formulation.

Methods for monitoring product quality, such as process analytical technology, and. Spray Dryer Modeling in Theory and Practice. Drying Technology: Vol. 22, No. 6, pp.

To establish relationships among various spray drying parameters measured 9. To calculate spray drying process efiBciencies To present a review of spray dryer simulations reported in the literature To offer a view on future perspectives in modeling and control of spray dryers.

ISBN: X OCLC Number: Description: xiv, pages: illustrations ; 24 cm: Contents: Basic principles, definitions --Spray drying fundamentals: process stages and layouts --Representation of sprays --Drying principles, heat and mass balances, thermal efficiency --Spray drying components --Specification and design of spray dryers.

The main differences between spray drying, fluidized bed drying and flash drying are the feed characteristics (fluid in spray drying versus solids); residence time (5 to s for spray drying versus 1 to min for fluidized bed) and particle size (10 to pm for spray drying.

Spray dryers are of considerable importance in many industrial drying operations, yet their modelling has been relatively neglected. Here we present a summary of many years work performed at Sydney University investigating the fundamental flow behaviour in dryers and their modelling using a commercial CFD code.

A GEA Spray Dryer is individually designed to meet your specific requirements. Our vast pool of knowledge within the field of drying, our expertise, and our technology is entirely at your disposal.

Together, we can put your ideas into practice, achieving high-quality powders engineered to match your specific requirements to properties as well. Contains charts, procedure flow sheets, tables, figures, photos, and a list of spray drying equipment suppliers; This book will benefit entrepreneurs, food scientists, academicians and students by providing in-depth knowledge about spray drying of foods for quality retention and also for efficient consumer acceptability of finished products.

Quality by Design (QbD) principles were explored to understand spray drying process for the conversion of liquid nanosuspensions into solid nano-crystalline dry powders using indomethacin as a model drug. The effects of critical process variables: inlet temperature, flow and aspiration rates on critical quality attributes (CQAs): particle size.

Spray dryers are used for food products (i.e. starch, rice protein, corn syrup, molasses, honey, dairy), chemicals, and pharmaceuticals. The basic parts of a spray dryer include: feed pump, atomizer or spray nozzles, air heater, air disperser, drying chamber, powder recovery systems, and process control systems.

The Stages of Spray Drying. The. Modelling quality in spray drying (). Pagina-navigatie: Main; Save publication.

Save as MODS; Export to Mendeley; Save as EndNote. Handbook of Drying for Dairy Products is a complete guide to the field’s principles and applications, with an emphasis on best practices for the creation and preservation of dairy-based food ingredients.

Details the techniques and results of drum drying, spray drying, freeze drying, spray-freeze drying, and hybrid drying. Since spray drying is usually the end-point of a process that also influences the quality of the final product, it has attracted more attention over the last two decades.

A key processing problem in spray dryers is the wall deposition of particles that indirectly affects the quality of the product through the degradation of the deposited. This book presents a thorough theoretical research of a spray drying process, performed by the author in the framework of his Ph.D.

study at Ben-Gurion University of the Negev, Israel, under the supervision of Prof. Levy and Prof. : Maksim Mezhericher. Spray drying, as the name implies, is a process for drying, utilizing a spray. A spray dryer mixes a heated gas with a sprayed (atomized) liquid stream, such as a fluoropolymer dispersion, within a drying chamber to accomplish evaporation of the liquid from the small atomized droplets forming a dry .Spray drying is an alternative method to freeze drying of Bifidobacterium bifidum biomass during the production of solid dosage forms.

In order to develop a new drying process for probiotics and.Spray drying is a method of producing a dry powder from a liquid or slurry by rapidly drying with a hot gas.

This is the preferred method of drying of many thermally-sensitive materials such as foods and pharmaceuticals.A consistent particle size distribution is a reason for spray drying some industrial products such as catalysts.