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Structural Changes of Hydrothermally Treated Biochar with Ball-Milling

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Glucose was hydrothermally treated to produce an amorphous oxygenated carbon structure known as biochar. Ball-milling was used to generate structural changes on the biochar and the time-dependence of these changes was studied. Raman spectroscopy was the primary tool for these studies, with additional Electron-spin resonance experiments carried out to verify structural changes. Ball-milling appears to produce enough strain on the char to generate defect sites. These radical sites accumulate with extended ball-milling time and form new locally stable structures within the char. Utilizing the radical molecules prior to their stabilization may be a new approach to greener functionalization of carbon-based catalysts.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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Identifier
  • E-project-042914-155456
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Year
  • 2014
Date created
  • 2014-04-29
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