Comparative assessment of acids and alkali based pretreatment on sawdust for enhanced saccharification with thermophilic cellulases

Haq, Ikram Ul; Mustafa, Zannara; Nawaz, Ali; Mukhtar, Hamid; Xu, Zhaoyi; Xu, Youjie

doi:10.24275/rmiq/bio1702

Rev.Mex.Ing.Quim.

2020

DOI: 10.24275/rmiq/bio1702

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Comparative assessment of acids and alkali based pretreatment on sawdust for enhanced saccharification with thermophilic cellulases

Ikram Ul Haq¹,

Zannara Mustafa²,

Ali Nawaz³

et al.

Abstract: Modelado de la biodegradación en biorreactores de lodos de hidrocarburos totales del petróleo intemperizados en suelos y sedimentos (Biodegradation modeling of sludge bioreactors of total petroleum hydrocarbons weathering in soil and sediments)

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2024

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Cited by 2 publications

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Influence of biphasic phenoxyethanol-alkaline pretreatment on the correlation between inter-structure and enzymatic hydrolysis in bamboo residues

He,

Zheng,

Lan

et al. 2024

International Journal of Biological Macromolecules

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Influence of biphasic phenoxyethanol-alkaline pretreatment on the correlation between inter-structure and enzymatic hydrolysis in bamboo residues

He,

Zheng,

Lan

et al. 2024

International Journal of Biological Macromolecules

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Study on the effect of phenoxyethanol–citric acid pretreatment for the enzymatic hydrolysis of bamboo residues

Cheng,

Zhao,

et al. 2024

Front. Bioeng. Biotechnol.

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This study investigated the biphasic phenoxyethanol–citric acid (PECA) pretreatment for bamboo residues (BRs) and its corresponding effects on the enzymatic hydrolysis performance. It is found that increasing the concentration of citric acid in the pretreatment system from 2.5% to 15% greatly enhanced the delignification and xylan removal for BRs. Consequently, the enzymatic hydrolysis yield of pretreated BRs significantly enhanced, increasing from 12.4% to 58.2% and 28.0%72.4% when the concentration of citric acid was increased from 2.5% to 15.0% at 160°C and 170°C, respectively. The characterization results from cellulose crystallinity, accessibility, and hydrophobicity of pretreated bamboo residues indicated that their changes possessed a beneficial performance on the enzymatic hydrolysis yield, which could result from the synergistic removal of lignin and xylan. The Chrastil model analysis showed that pretreatment at higher conditions resulted in the pretreated BRs possessing weaker diffusion resistance for cellulase, which is attributed to its higher enzymatic hydrolysis yield.

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Comparative assessment of acids and alkali based pretreatment on sawdust for enhanced saccharification with thermophilic cellulases

Abstract: Modelado de la biodegradación en biorreactores de lodos de hidrocarburos totales del petróleo intemperizados en suelos y sedimentos (Biodegradation modeling of sludge bioreactors of total petroleum hydrocarbons weathering in soil and sediments)

Cited by 2 publications

References 36 publications

Influence of biphasic phenoxyethanol-alkaline pretreatment on the correlation between inter-structure and enzymatic hydrolysis in bamboo residues

Influence of biphasic phenoxyethanol-alkaline pretreatment on the correlation between inter-structure and enzymatic hydrolysis in bamboo residues

Study on the effect of phenoxyethanol–citric acid pretreatment for the enzymatic hydrolysis of bamboo residues

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