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酸堿預(yù)處理對三球懸鈴木落葉同步糖化發(fā)酵產(chǎn)氫的影響
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國家自然科學(xué)基金資助項(xiàng)目(51376056),、國家高技術(shù)研究發(fā)展計(jì)劃(863計(jì)劃)資助項(xiàng)目(2012AA051502)和教育部高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助項(xiàng)目(20134105130001)


Effect of Acid and Alkaline Pretreatment on Simultaneous Saccharification Fermentation for Bio-hydrogen Production from Platanus orientalis Leaves
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    摘要:

    對三球懸鈴木（俗稱法國梧桐）落葉酸堿預(yù)處理及其同步糖化發(fā)酵產(chǎn)氫工藝進(jìn)行實(shí)驗(yàn)研究,，利用修正的岡珀茨模型（Gompertz model）對產(chǎn)氫曲線加以擬合，以累積產(chǎn)氫量和產(chǎn)氫速率為考察指標(biāo)，研究不同酸堿預(yù)處理方法（添加質(zhì)量分?jǐn)?shù)為2%,、4%,、6%、8%的H2SO4和Ca(OH）2）對三球懸鈴木落葉光合生物產(chǎn)氫性能的影響規(guī)律,，優(yōu)化出最佳酸堿預(yù)處理工藝條件為：稀酸預(yù)處理后的落葉試樣的產(chǎn)氫性能優(yōu)于氫氧化鈣預(yù)處理后的落葉試樣,，其中H2SO4質(zhì)量分?jǐn)?shù)為4%時(shí)處理效果最佳，發(fā)酵產(chǎn)氣中的氫氣最大體積分?jǐn)?shù)達(dá)66.34%,，累積產(chǎn)氫量為369mL,，最高產(chǎn)氫速率11.03mL/h,。稀酸處理液可以實(shí)現(xiàn)3次有效回收利用,。

    Abstract:

    This study mainly investigated the effect of acid and alkaline pretreatment on Platanus orientalis (known as the French phoenix) leaves, and also the simultaneous saccharification and photo-hydrogen production from the leaves were pretreated with acid and alkali of different concentrations. Taking cumulative hydrogen production and hydrogen production rate as assessment indicators, the photo-hydrogen production capabilities from leaves with different pretreatments were compared and the modified Gompertz equation was used to analyze hydrogen production process. The results showed that H2SO4 pretreatment could effectively improve the performance of photo-hydrogen production comparing with Ca(OH)2 pretreatment, and the 4% H2SO4 pretreatment was the best pretreatment. The maximum hydrogen concentration, the cumulative hydrogen production and the highest specific hydrogen production yield rate were 66.34%, 369mL, 11.03mL/h, respectively. The exploratory research was carried out about the dilute acid treatment liquid for recycling and reducing the cost of preprocessing.

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張全國,李亞猛,荊艷艷,蔣丹萍,張志萍.酸堿預(yù)處理對三球懸鈴木落葉同步糖化發(fā)酵產(chǎn)氫的影響[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2015,46(5):202-207. Zhang Quanguo, Li Yameng, Jing Yanyan, Jiang Danping, Zhang Zhiping. Effect of Acid and Alkaline Pretreatment on Simultaneous Saccharification Fermentation for Bio-hydrogen Production from Platanus orientalis Leaves[J]. Transactions of the Chinese Society for Agricultural Machinery,2015,46(5):202-207.

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  • 收稿日期:2015-01-05
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  • 在線發(fā)布日期: 2015-05-10
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