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Qualitative-Fluidization-Segregation-Test-for-pneumatic-transport - .PDF file.

Segregation is a constant problem in industrial processes concerning bulk solids. It is generally either of a mechanical nature or a product of fluidization or pneumatic transport.

The mechanical effect is called granular convection in which mechanical agitation of a granular medium segregates the particles, such that the largest particles end up on top.

The opposite effect is observed in fluidized systems such as pneumatic conveyance systems, where the larger particles are unable to be carried into the airstream, so that segregation leaves them on the bottom of the system.

In this work we will exemplify uses of these opposing effects to quickly evaluate the propensity of a fluidized system to segregate.

Segregation is a known issue in the pneumatic transport of milk permeate. Since the subsequent processing step—dissolving the permeate—is highly sensitive to particle size, it would be helpful to have a method for determining the propensity of the granular medium to segregate under airflow.

In an experiment run by Anton Paar GmbH, a short screening test for fluidization segregation is demonstrated.

Click on the link above to download the Application Report and to learn about the results of their experiment.

Anton Paar Ltd

Anton Paar develops, produces and distributes highly accurate laboratory instruments and process measuring systems, and provides custom-tailored automation and robotic solutions.

Anton Paar develops, produces and distributes highly accurate laboratory instruments and process measuring systems, and provides custom-tailored automation and robotic solutions.

It is the world leader in the measurement of density, concentration and CO2 and in the field of Rheometry. Other areas of specialty are: Viscometry, Polarimetry, Refractometry, Microwave Sample Preparation & Synthesis, Chemical and Mechanical Surface and Nanostructure Analysis.

With over 2200 employees at the headquarters in Graz (Austria) and the 25 sales subsidiaries worldwide, Anton Paar ensure that their products live up to their excellent reputation. The core competence of the company – high-precision production – and close contact to the scientific community form the basis for the quality of Anton Paar’s instruments.

A strong sales network in more than 110 countries guarantees customers rapid support and answers to their application and service queries.

Innovation is the basis for progress and every year Anton Paar invests more than 20 percent of the annual turnover in R&D.

Anton Paar Limited, a subsidiary of Anton Paar GmbH, provides sales, application support and service to users across the UK and Ireland.

With an office in St Albans (UK) and Dublin (Ireland) and a team of over 30 dedicated employees, Anton Paar Limited aims to provide first-class service at every stage in the customer relationship, ensuring our products live up to their excellent reputation.

Anton Paar Ltd
Unit F, The Courtyard
St Albans
AL4 0LA
UK

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