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Energy and the Environment, 1999

ISSN:
1-56700-127-0 (Print)

PERFORMANCE OF A SMALL SCALE UPDRAFT BIOMASS GASIFIER

Murat Dogru
Department of Chemical and Process Engineering, University of Newcastle NE17RU, UK

C. R. Howarth
Department of Chemical and Process Engineering, University of Newcastle NE17RU, UK

Abdullah A. Malik
Entec UK Limited, Northumbria House, Manor Walks, Cramlington Northumberland NE23 6UP, UK

Hayati Olgun
Department of Chemical and Process Engineering, University of Newcastle NE17RU, UK

Abstract

This paper presents a study on the performance of a 100kW up-draft fixed bed gasifier. The primary objective was to analyse the produce gas initially at different air flow rates and to process ∼20 kg/h of forestry waste. The secondary objective was to optimise the gasifier, using a mass balance technique to provide a good operating condition to generate clean and high quality produce gas. The gas obtained consisted of 02, N2, CH4, H2, CO, CnHm, and C02 and a negligible amount of solid residue with a negligible amount of carbon content was also observed.