2016
DOI: 10.1007/s12649-016-9608-z
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The Effect of Severity Factor on the Release of Xylose and Phenolics from Rice Husk and Rice Straw

Abstract: The objective of this work was to compare the effects of dilute acid hydrolysis on two major residues of rice crop cultivation, namely, rice straw and rice husk and to find the optimum hydrolysis parameters for both residues. The hydrolysis conditions were expressed by a severity factor (SF) in the range of -0.2 to 2.01. The xylose release reached maximum at SF of 1.96 for rice straw and 1.88 for rice husk hydrolysates. The glucose release and by-products productions were higher in the rice straw hydrolysate t… Show more

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Cited by 17 publications
(9 citation statements)
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“…The cellulose activity was measured following the NREL method [19]. In fact, the activity of the Cellic CTec2 was estimated in 123 FPU/mL, which is in agreement to the enzyme activity reported by Zhao et al, [30]. Then, the enzymatic hydrolysis of the pretreated CCS was performed.…”
Section: Saccharification Process (Enzymatic Hydrolysis)supporting
confidence: 73%
See 1 more Smart Citation
“…The cellulose activity was measured following the NREL method [19]. In fact, the activity of the Cellic CTec2 was estimated in 123 FPU/mL, which is in agreement to the enzyme activity reported by Zhao et al, [30]. Then, the enzymatic hydrolysis of the pretreated CCS was performed.…”
Section: Saccharification Process (Enzymatic Hydrolysis)supporting
confidence: 73%
“…Thus, the pretreatment severity differs strongly when agricultural residues and woody biomass are used as raw materials. In fact, CCS gives a xylose yield of 34.68% applying a CSF of 1.07, while xylose yields of 75.9% and 75.6 for rice straw and rice husk are reported, respectively [30]. Hence, the research of the best acid pretreatment conditions for woody biomass is should be done avoiding the use of the typical values reported in the literature.…”
Section: Sugars and Inhibitory Compounds In Hydrolysatesmentioning
confidence: 99%
“…Especially, the mixture of 0.5% sulfuric acid and 5.5% formic acid seemed feasible alternative to singe acids, since amounts of sulfuric acid and formic acid in the mixture were only 1/3 and 1/8 of the amounts of the single acids, respectively. Also, all mixtures contained considerably less sulfuric and formic acid than what is used in literature at similar temperatures, and therefore acid mixtures were seen as good alternatives to single acid solutions [13,14,[35][36][37][38].…”
Section: Mixture Of Formic Acid and Sulfuric Acidmentioning
confidence: 83%
“…In fact, dilute acid hydrolysis is often useful when lignocellulosic biomass has a significant content of hemicellulose since the hemicellulose fraction is more easily hydrolyzed than cellulose (Lloyd and Wyman 2005). However, there are several disadvantages of the dilute acid hydrolysis of the lignocellulosic biomass, such as the production of inhibitors, including acetic acid, furfural (Panagiotopoulos et al 2012) and phenolics from lignin degradation products (Akpınar et al 2012;Temiz and Akpinar 2017). To this list, it is important to also add the production of extractives (notably free phenolics) released from lignocellulosic biomass during the hydrolysis process.…”
Section: Introductionmentioning
confidence: 99%