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En jämförelseanalys mellan traditionell siktning och laserdiffraktion
2015 (Swedish)Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
Abstract [en]

The content of this thesis in mineral technology was ordered by Boliden Mineral AB from the 13th of April to the 25th of May 2015 in Garpenbergs Mineral Technical laboratory. The primary goal of this thesis was to investigate how large the capacity difference between the sieving curve for laser diffraction and traditional sieving is, and if this capacity difference can be translated between the two different methods of analysis. The two primary sub-goals of this paper were to investigate how this capacity difference varies between the different products produced in Garpenbergs mineral processing plant and to investigate how the repeatability varies between the two methods of analysis. The method chosen for this investigation was data gathering through lab testing by sieving and analysis with laser diffraction. The repeatability of the two different methods of analysis were primarily reliant upon the cleaning process and how the test samples were added. When those requirements were fulfilled the repeatability was good. The capacity difference between the sieving curve for laser diffraction and traditional sieving proved to be fairly close between ingående-material and zink-mellanprodukt. A rough translation between the laser diffraction analysis and traditional sieving was made by calculating an average of the differentials for each fraction. These averages can be added to a laser diffraction sieving curve’s fractions, thus giving a rough translation of what a traditional sieving curve would look if the same sample as you sieved was analyzed with laser diffraction.

Place, publisher, year, edition, pages
2015. , 32 p.
Keyword [en]
Technology
Keyword [sv]
Teknik, Traditionell siktning, laserdiffraktion
Identifiers
URN: urn:nbn:se:ltu:diva-58488Local ID: f12abe59-c51f-4e06-ba6e-5240d30ad320OAI: oai:DiVA.org:ltu-58488DiVA: diva2:1031876
External cooperation
Subject / course
Student thesis, at least 7,5 credits
Educational program
Mining and Geotechnical Industry, Higher Education Diploma
Supervisors
Examiners
Note
Validerat; 20150811 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Type fulltextMimetype application/pdf

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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