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Effects on delignification of reusing 1-ethyl-3-methylimidazolium acetate and dimethyl sulfoxide in the pretreatment of corn cob for the enhancement of enzymatic hydrolysis in ethanol production

Biomass Conversion and Biorefinery, ISSN: 2190-6823, Vol: 13, Issue: 14, Page: 13037-13050
2023
  • 1
    Citations
  • 0
    Usage
  • 5
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    1
    • Citation Indexes
      1
  • Captures
    5
  • Mentions
    1
    • News Mentions
      1
      • News
        1

Most Recent News

Findings in the Area of Chemicals and Chemistry Reported from King Mongkut's University of Technology Thonburi (KMUTT) (Effects On Delignification of Reusing 1-ethyl-3-methylimidazolium Acetate and Dimethyl Sulfoxide In the Pretreatment of Corn ...)

2024 APR 02 (NewsRx) -- By a News Reporter-Staff News Editor at Chemicals & Chemistry Daily Daily -- Current study results on Chemicals and Chemistry

Article Description

In this work, a method of reusing 1-ethyl-3-methylimidazolium acetate and dimethyl sulfoxide ([EMIM]OAc:DMSO) with additional DMSO has been developed for high delignification. From the results, the delignification in the first reuse of [EMIM]OAc:DMSO with at a ratio of 1:1 is 1.66-folds higher than that of the initial pretreatment. By considering a percentage cellulose conversion higher than 80%, [EMIM]OAc:DMSO in the ratio of 1:1 can be reused up to 17 rounds. Especially with the first reuse, 87.97 ± 0.11% cellulose conversion and 92.45 ± 0.14% ethanol yield can be determined according to the high enzymatic hydrolysis and ethanol fermentation. Furthermore, the decreases in the values of Lateral Order Index by FT-IR and Crystallinity Index by XRD demonstrate decreases in crystalline cellulose by 1.05- and 1.59-fold of original cellulose structure, respectively, suggesting a novel protocol and mechanism of pretreatment for high yield efficiency of cellulose hydrolysis to ethanol.

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