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Solyta
University of Borås, Swedish School of Textiles.
2011 (English)Independent thesis Basic level (degree of Bachelor)Student thesisAlternative title
Solar surface (English)
Abstract [en]

This final thesis goal has been to try and develop a titanium dioxide coating for water purification. The coating should be used in a manufacturing industry on textiles. Water purification is achieved through photocatalysis with titanium dioxide and UV-radiation, where hydroxyl radicals form through oxidation. The kind of textile fiber chosen for the substrates is a polyester fiber. The substrates have been developed in several different shapes. Two different knitted patterns was developed, one flat patterned and one wavy patterned. Another kind of substrate was a spacer-type and there was also a substrate made from a PET-bottle. The different substrates were chosen to compare the different coatings effect on different surfaces and the different coatings were developed from two types of titanium dioxide. The coated substrates have been analyzed for hydroxyl radical generating properties. By testing a sample of water with titanium dioxide against a sample with water that had no additives, it was shown that titanium dioxide generates more hydroxyl radicals. The results of the work showed that the recipe containing 3 % titanium dioxide and 3 % acrylic binder showed good properties for water purification. In addition, the results showed a stronger effect for the wavy patterned substrate then the flat patterned, which is an interesting result that should be researched further in the future.

Place, publisher, year, edition, pages
University of Borås/Swedish School of Textiles , 2011.
Series
Kandidatuppsats ; 2011.2.1
Keywords [en]
titanium dioxide, water purification, coating, methylene blue dye, uv-radiation
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hb:diva-20813Local ID: 2320/9168OAI: oai:DiVA.org:hb-20813DiVA, id: diva2:1312747
Note
Program: TextilingenjörsutbildningenAvailable from: 2019-04-30 Created: 2019-04-30

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf