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Undersökning av separationsfenomen i en virvelbäddsugn i pilotskala med hjälp av en 1:1 skalad kallmodell
2014 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis work experiments are performed on a 1:1 scaled cold model of a fluidized bed pilot plant located at Swerea Mefos research center in Luleå. The purpose of these experiments were to solve the problems experienced when trying to separate the fed copper concentrate from the sand bed, about 50% of the fed concentrate never left the bed. The solution to this problem was to increase the gas velocity in the freeboard part of the bed from 0.28 m/s to 0.43 m/s, this can be done by increasing the gas flow in the bottom of the bed or by decreasing the freeboard diameter. In addition to this a method have been developed to characterize the bed in the pilot by analyzing pressure data. With this pressure data it is possible to approximate the bed height and distinguish the fluidization regime in the bed without direct observation.

Place, publisher, year, edition, pages
2014. , 46 p.
Keyword [en]
Technology
Keyword [sv]
Teknik, Fluidiserad bädd, kallmodell, kopparslig, Mefos, separation, flödesdynamik, skalning
Identifiers
URN: urn:nbn:se:ltu:diva-48383Local ID: 5d620028-ecad-48b7-b536-3067540ffea6OAI: oai:DiVA.org:ltu-48383DiVA: diva2:1021725
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Subject / course
Student thesis, at least 30 credits
Educational program
Sustainable Process Engineering, master's level
Supervisors
Examiners
Note
Validerat; 20140822 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
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Output format
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