The rotating cone flash pyrolysis reactor

W.P.M. van Swaaij, J.A.M. Kuipers, W. Prins, B.M. Wagenaar

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Abstract

The velocity of nearly spherical monosized PVC powder in a coldflow rotating cone reactor (top angle π/2 and π/3 rad, width 0.5 m) was measured under variation of the particle diameter (140 780 μπι) and the cone rotational speed (up to 1800 rpm). Derived residence times for these particles vary from 0.05 to 0.3 second. A new particle temperature measurement technique is described together with temperature measurements used to calibrate the method. This temperature measurement technique will be used to investigate the heat transfer to particles in the rotating cone reactor. The first pyrolysis experiments will be described which showed that rice husks flow freely in the rotating cone flash pyrolysis reactor at 600 °C and 900 rpm. At these conditions a feed of 0.8 kg rice husks was converted to 0.2 kg ash and 0.6 kg pyrolysis vapours.
Original languageEnglish
Title of host publicationEnergy from biomass thermochemical conversion
Subtitle of host publicationproceedings of the EC contractors' meeting, 7 October 1992, Florence, Italy
EditorsG. Grassi, A.V. Bridgwater
Place of PublicationFlorence
PublisherEUR-OP
Pages43-50
ISBN (Print)92-8267104-6
Publication statusPublished - 1992
EventEC Contractors' Meeting 1992
- Florence, Italy
Duration: 7 Oct 19927 Oct 1992

Publication series

NameEUR / European Commission
PublisherEUR-OP
VolumeEUR 15389
ISSN (Print)1018-5593

Conference

ConferenceEC Contractors' Meeting 1992
CountryItaly
CityFlorence
Period7/10/927/10/92

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