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蘋果汁中擬除蟲菊酯類農(nóng)藥的超聲波—TiO2催化去除
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國家自然科學基金資助項目（31071550,、31171721）;農(nóng)業(yè)部“948”項目（2011—G8—3）;陜西省科技攻關(guān)資助項目（2009K01—20）;西北農(nóng)林科技大學基本科研業(yè)務青年項目（QN2009073）


Catalytic Removal of Pyrethroid Pesticides in Apple Juice by Ultrasonic Treatment Coupling with TiO2
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    摘要:

    研究了超聲波—TiO2催化去除蘋果汁中擬除蟲菊酯類農(nóng)藥殘留的作用效果和機理,，對比分析了處理前后蘋果汁品質(zhì)變化,。采用響應曲面法優(yōu)化催化去除蘋果汁中擬除蟲菊酯類農(nóng)藥殘留的最佳工藝參數(shù)為:TiO2質(zhì)量濃度0.5g/L,、超聲波功率416W,、時間18min,、溫度37℃,，在此條件下,，催化去除率可達到62.17%,；超聲波—TiO2處理對蘋果汁理化指標沒有顯著影響,，經(jīng)過處理后的蘋果汁符合出口的相關(guān)標準。

    Abstract:

    The catalytic removal function and mechanism of ultrasonic treatment coupling with TiO2 on pyrethroid pesticides in apple juice were investigated, the main quality change of apple juice and mechanism of catalytic removal were researched. The response surface method was applied to optimize the process parameters and the results were as follows: the TiO2 amount was 0.5g／L, the ultrasonic power was 416W, the treatment time was 18min, the ultrasonic temperature was 37℃. Under this condition, the removal rate would reach to 62.17%. The main chemical and physical indexes of apple juice processed by ultrasonic treatment coupling with TiO2 have no significant change, all accord with the export standards of apple juice.

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袁亞宏,王周利,蔡瑞,郭康權(quán),岳田利,周鄭坤.蘋果汁中擬除蟲菊酯類農(nóng)藥的超聲波—TiO2催化去除[J].農(nóng)業(yè)機械學報,2011,42(11):124-129. Yuan Yahong, Wang Zhouli, Cai Rui, Guo Kangquan, Yue Tianli, Zhou Zhengkun. Catalytic Removal of Pyrethroid Pesticides in Apple Juice by Ultrasonic Treatment Coupling with TiO2[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(11):124-129.

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