Cellulose and hemicellulose recovery from oil palm empty fruit bunch (EFB) fibers and production of sugars from the fibers.
作者： Suriya Palamae , Pongsathorn Dechatiwongse , Wanna Choorit , Yusuf Chisti , Poonsuk Prasertsan
DOI: 10.1016/J.CARBPOL.2016.09.004
关键词:
摘要: Abstract A sequential two-step treatment with peracetic acid (PA) and alkaline peroxide (AP) at mild temperatures (20–35 °C) removed more than 98% of the lignin from oil palm empty fruit bunch (EFB) fiber. For each kilogram EFB fiber treated, 200–250 g a solids fraction 120–170 g precipitate were recovered after treatment. Subsequent enzymatic hydrolysis (45 °C, 72 h) (excluding precipitate) resulted in glucose yield 629.8 ± 0.5 g per kg original dry biomass. Enzymatic untreated yielded only 3.0 ± 0.0 g EFB. Therefore, PA-AP pretreatment enhanced recovery by nearly 210-fold. The total time was 93 h (a 9 h PA 35 °C, 12 h AP (20 °C, 4% NaOH), 72 h hydrolysis).
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