Abstract
Process analytical instrumentation requirments were identified for a 5-ton per hour, low-Btu, atmospheric pressure, entrained bed, coal gasification process development unit. ''Special'' process instruments (primarily used for gas analysis and not usually encountered in boiler design applications) which are needed to satisfy measurement requirements were selected from instrument operating characteristics/features to provide reliable and straightforward measurement. Both in situ and extractive type instruments were selected for purchase. The necessary extractive sampling network was defined. Application of the instruments selected for the PDU to a commercial-scale gasification plant was examined. It was concluded that with only few modifications, the same or similar instruments used on the PDU, can be used on commerical-scale plants.
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