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用改良硫酸法從油茶殼中提取糠醛的響應面法優(yōu)化
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國家自然科學基金資助項目(30760137)和華東交通大學校立科研資助項目(10JC05)


Optimization of Furfural Extraction from Camellia oleifera Abel Nutshell by Response Surface Methodology
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    摘要:

    研究了用改良硫酸法從油茶殼中提取糠醛的工藝。在單因素試驗的基礎上，運用Box-Behnken中心組合試驗和響應面法考察了液料比、水解反應時間、水解反應溫度3個因素對糠醛提取率的影響，并優(yōu)化了提取工藝。結果表明，最佳工藝條件為：液料比5.96mL/g；水解反應時間3.33h；水解反應溫度140℃。在此條件下，糠醛提取率的預測值為1.78%，驗證試驗值為1.93%，說明響應面法優(yōu)化油茶殼中提取糠醛的工藝可行。

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    Furfural extracted from Camellia oleifera Abel nutshell using modified sulfuric acid as the catalyst was studied. Based on single factor tests of liquidsolid ratio, hydrolysis reaction time, reaction temperature and sulfuric acid mass fraction, the optimum extraction process was evaluated by Box-Behnken central composite experimental design and response surface methodology analysis. The results indicated that the optimum conditions were liquid-solid ratio of 5.96mL/g, hydrolysis reaction time of 3.33h and reaction temperature of 140℃. Under these optimized conditions, the experimental value of furfural extraction yield was 1.93%, in good agreement with the predictive value 1.78%. Therefore, the furfural extraction process from Camellia oleifera Abel nutshell optimized by response surface methodology is very reliable.

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楊小敏,劉建平,李倩倩,徐培飛,胡林.用改良硫酸法從油茶殼中提取糠醛的響應面法優(yōu)化[J].農(nóng)業(yè)機械學報,2011,42(5):151-155. Yang Xiaomin, Liu Jianping, Li Qianqian, Xu Peifei, Hu Lin. Optimization of Furfural Extraction from Camellia oleifera Abel Nutshell by Response Surface Methodology[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(5):151-155.

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