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EFFECT OF STRUCTURAL CHANGES ON ENZYMATIC HYDROLYSIS OF EUCALYPTUS, SWEET SORGHUM BAGASSE, AND SUGARCANE BAGASSE AFTER LIQUID HOT WATER PRETREATMENT
Wang, Wen1,2; Zhuang, Xinshu1; Yuan, Zhenhong1; Yu, Qiang1; Qi, Wei1; Wang, Qiong1,2; Tan, Xuesong1
2012
Source PublicationBIORESOURCES
Volume7Issue:2Pages:2469-2482
Abstract

A woody (eucalyptus (Eu)) and two herbaceous materials (sweet sorghum bagasse (SSB) and sugarcane bagasse (SCB)) were used to evaluate the effect of liquid hot water (LHW) pretreatment on enzymatic hydrolysis of various lignocelluloses. The results showed that enzymatic hydrolysis efficiency of pretreated materials was SCB>SSB>Eu at 5% solids loading, while SSB>SCB>Eu was at 10% and 20% solids loadings. This indicated the enzymatic hydrolysis efficiency of SCB could be influenced by solids concentration. The differences in surface morphology, crystalline structure, and functional groups of pretreated samples were also examined by scanning electron microscopy (SEM), Xray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy. SEM photographs and crystallinity indexes (CrI) showed that the structural compactness was Eu>SSB>SCB for both of untreated and treated materials. FTIR spectra showed that the conspicuousness of physicochemical changes was SCB>SSB>Eu. The differences in enzymatic hydrolysis efficiency of pretreated materials can be ascribed mainly to the structural differences.

SubtypeArticle
KeywordLiquid Hot Water Eucalyptus Sweet Sorghum Bagasse Sugarcane Bagasse Enzymatic Hydrolysis
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedMaterials Science
WOS KeywordHYDROTHERMAL TREATMENT ; CELLULOSE ; FRACTIONATION ; WASTES ; STRAW ; STEAM ; WOOD
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Paper & Wood
WOS IDWOS:000306481700084
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10544
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wen,Zhuang, Xinshu,Yuan, Zhenhong,et al. EFFECT OF STRUCTURAL CHANGES ON ENZYMATIC HYDROLYSIS OF EUCALYPTUS, SWEET SORGHUM BAGASSE, AND SUGARCANE BAGASSE AFTER LIQUID HOT WATER PRETREATMENT[J]. BIORESOURCES,2012,7(2):2469-2482.
APA Wang, Wen.,Zhuang, Xinshu.,Yuan, Zhenhong.,Yu, Qiang.,Qi, Wei.,...&Tan, Xuesong.(2012).EFFECT OF STRUCTURAL CHANGES ON ENZYMATIC HYDROLYSIS OF EUCALYPTUS, SWEET SORGHUM BAGASSE, AND SUGARCANE BAGASSE AFTER LIQUID HOT WATER PRETREATMENT.BIORESOURCES,7(2),2469-2482.
MLA Wang, Wen,et al."EFFECT OF STRUCTURAL CHANGES ON ENZYMATIC HYDROLYSIS OF EUCALYPTUS, SWEET SORGHUM BAGASSE, AND SUGARCANE BAGASSE AFTER LIQUID HOT WATER PRETREATMENT".BIORESOURCES 7.2(2012):2469-2482.
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