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Open Access research with a European policy impact...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

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Factors governing the formation of porosity in metal loaded cellulose during pyrolysis and the effects of pore structure on reactivity in o-2 and no

Ruiz, W. and Gascon, D. and Hall, P.J. (2000) Factors governing the formation of porosity in metal loaded cellulose during pyrolysis and the effects of pore structure on reactivity in o-2 and no. Fuel, 79 (13). pp. 1565-1571. ISSN 0016-2361

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Abstract

A series of carbons have been made from cellulose that has been loaded with varying amounts of calcium, potassium and iron. Small angle X-ray scattering showed that the calcium-loaded chars produced carbons with mass fractal properties whereas potassium loaded chars produce carbons with surface fractal properties in the mesopore region. Calcium loaded chars were more microporous than potassium loaded chars. Iron loaded cellulose produced a Small Angle X-Ray Scattering (SAXS) pattern with two linear regions. The high q-scattering was characteristic of a highly microporous material. Differences in carbon properties were attributed to crosslinking reactions induced by the metals during pyrolysis. The reactivity of the carbons in O-2 and NO was determined and the ratio of the reactivities, R(NO)/R(O-2) noted. It was found that the presence of calcium and potassium both decreased R(NO)/R(O-2), but iron increased R(NO)/R(O-2) for a certain loading range. The latter was attributed to the reduced catalytic activity of iron for O-2 gasification and the pore structure of the iron loaded carbons.