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Bioresour Technol. 2018 Feb;249:536-541. doi: 10.1016/j.biortech.2017.10.061. Epub 2017 Oct 18.

Camellia oleifera shell as an alternative feedstock for furfural production using a high surface acidity solid acid catalyst.

Author information

1
College of Environmental and Municipal Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, Key Laboratory of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, Xi'an 710055, PR China. Electronic address: zhangluxinxx@126.com.
2
College of Environmental and Municipal Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, Key Laboratory of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, Xi'an 710055, PR China.

Abstract

This paper focuses on the high-value transformation of camellia oleifera shell, which is an agricultural waste enriched in hemicellulose. An efficient catalytic route employing sulfonated swelling mesoporous polydivinylbenzene (PDVB-SO3H) as catalyst in monophasic or biphasic solvents was developed for the conversion of raw camellia oleifera shell into furfural. The reaction parameters were evaluated and optimized for improving the furfural yield. It was found that the solvent greatly influenced the hydrolysis of camellia oleifera shells, and the highest furfural yield of 61.3% was obtained in "γ-butyrolactone + water" system when the feedstock-to-catalyst ratio was 2 for 30 min at 443 K. Camellia oleifera shell exhibited a high potential as feedstock to produce furfural in high yields. The outcome of this study provides an attractive utilization option to camellia oleifera shell, which is currently burned or discarded for producing a bio-based chemical.

KEYWORDS:

Camellia oleifera shell; Catalysis; Furfural; Hemicellulose

PMID:
29080517
DOI:
10.1016/j.biortech.2017.10.061
[Indexed for MEDLINE]

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