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棉稈熱裂解工藝參數(shù)優(yōu)化與固體產(chǎn)物性質(zhì)分析
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現(xiàn)代農(nóng)業(yè)產(chǎn)業(yè)技術(shù)體系建設(shè)專項(xiàng)資金資助項(xiàng)目（CAR-27）和公益性行業(yè)（農(nóng)業(yè)）科研專項(xiàng)經(jīng)費(fèi)資助項(xiàng)目（200903023）


Optimizing Technological Parameters of Cotton Stalk and Pyrolysis Products
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    對(duì)未經(jīng)粉碎的棉稈進(jìn)行了直接熱解炭化實(shí)驗(yàn)研究,。研究表明,，未經(jīng)粉碎的棉稈在熱解溫度400℃時(shí)進(jìn)行熱解炭化后,，生成的秸稈炭的比例最高,，且秸稈炭中的固定碳含量最高,。在棉稈熱解過程中,，隨著反應(yīng)溫度的增加,，熱解固體產(chǎn)物質(zhì)量不斷減??；熱解溫度高于400℃以后,，隨著反應(yīng)溫度的增加，固體產(chǎn)物中固定碳含量開始下降,。通過正交試驗(yàn)得到了最優(yōu)組合的熱解工藝參數(shù)為：熱解溫度400℃,，升溫速率5℃/min，保溫時(shí)間2 h,。得炭率可達(dá)49.98%,。

    Abstract:

    Biomass pyrolysis is a high value-added process of biomass conversion. The direct pyrolysis experiments of no crushed cotton stalks were conducted. The results showed that the solid product and fixed carbon (FC) content were maximum when pyrolysis temperature was in 400℃. As the pyrolysis reaction proceeded, the higher temperature increased and the solid products reduced, and the ash content in the products increased accordingly, which led to a decrease in fixed carbon (FC) content after 400℃. In order to determine the optimum technological parameter of pyrolysis, an orthogonal experiment was conducted.The maximum product yield of 49.98% was obtained with 5℃/min of heating rates, 400℃ of optimum pyrolysis temperature, and 2h of holding time.

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楊瑛,張衍林,鄭文軒,袁巧霞.棉稈熱裂解工藝參數(shù)優(yōu)化與固體產(chǎn)物性質(zhì)分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(12):160-163,134. Yang Ying, Zhang Yanlin, Zheng Wenxuan, Yuan Qiaoxia. Optimizing Technological Parameters of Cotton Stalk and Pyrolysis Products[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(12):160-163,134.

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  • 在線發(fā)布日期: 2013-12-05
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