Empty Fruit Bunch from Date Palm Industries - A Sustainable Resource for Producing Biofuels and Industrial Solvents

Margaret Magyar, Mingjie Jin, Leonardo Da Costa Sousa, Salah Mohammed Aleid, Mohammed Refdan Al-Hajhoj, Balakrishnan Sudhakar, Venkatesh Balan

Research output: Contribution to journalArticle

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Abstract

Date palm empty fruit bunch (EFB) is a reliable and underutilized agriculture residue generated by the date industry. EFB contains polymeric sugars that can be converted to biofuel when subjected to pretreatment, enzymatic hydrolysis, and microbial fermentation. Optimized biofuel processing conditions produced 119 kg ethanol per dry metric ton EFB. The highest sugar conversions from enzymatic hydrolysis were found with Ammonia Fiber Expansion (AFEX™, MBI International, Lansing, MI) pretreatment conditions of 2:1 ammonia-to-biomass ratio, 80% moisture content, and a temperature of 120°C, for 30 min residence time. These conditions produced 52.5 g/L and 34.8 g/L of fermentable glucose and xylose, respectively. This hydrolysate was inoculated with a glucose- and xylose-consuming recombinant yeast strain producing 35.8 g/L and 31.8 g/L ethanol with and without nutrient supplementation, respectively. A complete mass balance for EFB pretreatment, enzymatic hydrolysis, and microbial fermentation is presented in this manuscript.

LanguageEnglish (US)
Pages235-244
Number of pages10
JournalIndustrial Biotechnology
Volume12
Issue number4
DOIs
StatePublished - Aug 1 2016

Profile

Biofuels
Fruit
Industry
Hydrolysis
Ammonia
Fermentation
Ethanol
Agriculture
Biomass
Yeasts
Food
Temperature
Phoeniceae
xylose-glucose

Keywords

  • AFEX pretreatment
  • date palm empty fruit bunch
  • enzymatic hydrolysis
  • microbial fermentation

ASJC Scopus subject areas

  • Biotechnology

Cite this

Empty Fruit Bunch from Date Palm Industries - A Sustainable Resource for Producing Biofuels and Industrial Solvents. / Magyar, Margaret; Jin, Mingjie; Sousa, Leonardo Da Costa; Aleid, Salah Mohammed; Al-Hajhoj, Mohammed Refdan; Sudhakar, Balakrishnan; Balan, Venkatesh.

In: Industrial Biotechnology, Vol. 12, No. 4, 01.08.2016, p. 235-244.

Research output: Contribution to journalArticle

Magyar, Margaret ; Jin, Mingjie ; Sousa, Leonardo Da Costa ; Aleid, Salah Mohammed ; Al-Hajhoj, Mohammed Refdan ; Sudhakar, Balakrishnan ; Balan, Venkatesh. / Empty Fruit Bunch from Date Palm Industries - A Sustainable Resource for Producing Biofuels and Industrial Solvents. In: Industrial Biotechnology. 2016 ; Vol. 12, No. 4. pp. 235-244
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