Statistical Optimization for Acid Hydrolysis of Microcrystalline Cellulose and Its Physiochemical Characterization by Using Metal Ion Catalyst

  • Karim Z
  • Chowdhury Z
  • Bee S
 et al. 
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Abstract

Hydrolyzing the amorphous region while keeping the crystalline region unaltered is the key technology for producing nanocellulose. This study investigated if the dissolution properties of the amorphous region of microcrystalline cellulose can be enhanced in the presence of Fe3+ salt in acidic medium. The process parameters, including temperature, time and the concentration of metal chloride catalyst (FeCl3), were optimized by using the response surface methodology (RSM). The experimental observation demonstrated that temperature and time play vital roles in hydrolyzing the amorphous sections of cellulose. This would yield hydrocellulose with higher crystallinity. The factors that were varied for the production of hydrocellulose were the temperature (x1), time (x2) and FeCl3 catalyst concentration (x3). Responses were measured in terms of percentage of crystallinity (y1) and the yield (y2) of the prepared hydrocellulose. Relevant mathematical models were developed. Analysis of varianc

Author-supplied keywords

  • "microcrystalline cellulose
  • amorphous sections"
  • hydrocellulose
  • percentage of crystallinity
  • response surface methodology

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Authors

  • Ziaul Karim

  • Zaira Zaman Chowdhury

  • Sharifah Bee

  • Abd Hamid

  • Eaqub Ali

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