Investigating Gasification Processes of Solid Fuels by in situ 
Gaspotentiometric Oxygen Probes

Schotte, E.; Lorenz, H.; Rau, H.

doi:10.1002/ceat.200301667

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Investigating Gasification Processes of Solid Fuels by in situ Gaspotentiometric Oxygen Probes

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Lorenz, H.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Schotte, E., Lorenz, H., & Rau, H. (2003). Investigating Gasification Processes of Solid Fuels by in situ Gaspotentiometric Oxygen Probes. Chemical Engineering and Technology, 26(7), 774-778. doi:10.1002/ceat.200301667.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-9F35-5

Abstract

This paper describes a novel analytical method that applies a gaspotentiometric oxygen probe (GOP) for characterizing gasification behavior of solid fuels. On the basis of GOP signals a developed gasification model enables the determination of fuel-specific properties, like effective reaction rate constant and overall activation energy. For its experimental validation two coal cokes were converted with four different gasification agents in a lab-scale fluidized-bed reactor. The results obtained will be discussed and compared with literature data. As this advantageous in situ measurement technique is fast, inexpensive, and easy to handle, it makes the GOP a predestined tool for monitoring and controlling gasification processes. Copyright © 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim [accessed 2013 November 29th]