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Department of Chemical Engineering and Biotechnology

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Particle segregation in a rotary kiln

Measuring the swelling and removal of fluorescent starch deposits using the scanning Fluid Dynamic Gauge (sFDG)

Food fat crystals, imaged by Scanning Electron Microscopy (SEM)

Squeeze-flow testing of a ceramic paste

Determination of quality parameters for consumer goods (baked cakes!)

Scanning Electron Microscopy (SEM) image of a cellulose membrane, before fouling

Extrudates of microcrystalline cellulose water-based paste (3 mm die diameter). The difference in appearance is due to the extrusion velocity - a higher velocity induces surface fractures

 

Welcome to the Powder and Paste Processing Group!

Please note that the Powder and Paste Processing Group merged with the Polymer Fluids Group in January 2013 to form the Paste, Particle and Polymer Processing Group (P4G)

This is the old P3G website and is maintained here as an archive of the work of the 'Paste Group'

Our interests lie in applied heat transfer (particularly fouling and cleaning) and developing the understanding of soft-solid materials (particularly particulate based ones), products and processes. The materials we work with are found in a wide range of applications, from micro-crystalline cellulose used in pharmaceuticals, chocolate, and titanium dioxide for paints

The group leader is Dr. Ian Wilson, in collaboration with Drs. Sarah Rough and David Scott, with input from emeriti John Davidson and Bill Paterson. The group is part of the Materials Processing Cluster within Chemical Engineering and there is considerable collaboration with Drs. Alex Routh, Geoff Moggridge, Mike Johns and the Magnetic Resonance Research Centre.

The overview gives an introduction to work in the group, which lies in four areas: particles; pastes and soft solidssurfaces; and modelling. There is extensive collaboration with other groups in Cambridge and beyond, particularly the Universities of Bath, Birmingham and Milan, the Technical University of Braunschweig, and Imperial College, London

Sponsorship and funding comes from a range of sources, including the ESPRC, Ceratizit, IHS, MSD, Premier Foods, Procter & Gamble and Unilever. This support is gratefully acknowledged: more information about sponsoring bodies is available on the Group Links page.

 

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