Categorisation of particulate emissions from a fluidised catalytic cracking unit

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Title Categorisation of particulate emissions from a fluidised catalytic cracking unit
Author Whitcombe, Joshua Matthew; Agranovski, Igor E; Braddock, Roger David
Editor Wolfgang Peukert
Year Published 2005
Place of publication GERMANY
Abstract Fluidized Catalytic Cracker Units (FCCU) are used in the oil refining industry to convert long chained hydrocarbons into shorter ones. At normal operations there is little concern regarding catalyst particle emission into the atmosphere from these devices. However, when the unit is started, higher than normal emission rates are common. FCCU stack emissions were tested and categorized in terms of metal composition and were compared with the operational conditions experienced under start up conditions. It was found that excessive emissions can be explained due to fluctuations in cyclone performance, the production of fine particles via attrition processes and the thermal fracture of particles. In addition to particle emissions, levels of emitted metals also fluctuate during the start up period, with the highest levels being experienced at the moment oil is re-fed into the unit. The current paper summarises stack testing results as well as the operational conditions in order to identify the key causes of start up emissions and provide recommendations to reduce and manage particle emissions from refineries.
Peer Reviewed Yes
Published Yes
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Copyright Statement Copyright 2005 John Wiley & Sons, Ltd. Self-archiving of the author-manuscript version is not yet supported by this publisher. Please refer to the journal link for access to the definitive, published version or contact the author for more information.
Volume 21
Issue Number 6
Page from 463
Page to 472
ISSN 0934-0866
Date Accessioned 2006-03-01
Language en_AU
Faculty Faculty of Engineering and Information Technology
Subject PRE2009-Environmental Technologies
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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