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THE USE OF PILOT SCALE FLUIDIZED BEDS FOR THE DEVELOPMENT OF A COMMERCIAL PLANT DESIGN

机译：中试流态床在商业工厂设计开发中的使用

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An Engineering Scale Technology Demonstration (ESTD) unit utilizing the THOR fluidized bed steam reforming technology was built and operated by Hazen Research, Inc. for the purpose of denitrating and solidifying various Department of Energy (DOE) radioactive tank waste surrogates into granular products. The ESTD offered the opportunity to investigate the operational characteristics of two fluidized beds in series to test process system designs such as those for fluidization, feeding, and product collection. Operational characteristics that were evaluated included bed attrition rate, particle growth, and elutriation; and the effects that variations in process parameters (e.g., fluidizing gas flow rate, feed composition, feed injection method, and gas distributor design) had upon these characteristics were observed. Testing of the process systems on this scale allowed for design changes to be made where the cost in time and money were significantly less by comparison to those same modifications being made on the commercial scale.
机译：Hazen Research，Inc.建造并运营了一个采用THOR流化床蒸汽重整技术的工程规模技术示范（ESTD）装置，目的是将各种能源部（DOE）放射性罐废物替代物脱硝并固化成颗粒状产品。 ESTD提供了机会来研究两个串联的流化床的运行特性，以测试工艺系统设计，例如用于流化，进料和产品收集的系统。评估的运行特性包括床层磨损率，颗粒生长和淘析;并观察到工艺参数变化（例如，流化气体流速，进料组成，进料注入方法和气体分配器设计）对这些特性的影响。在这种规模的过程系统上进行的测试允许进行设计更改，与在商业规模上进行的那些相同的修改相比，在时间和金钱上的成本要少得多。

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