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雞糞厭氧發(fā)酵沼液混凝處理投藥量預(yù)測
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“十一五”國家科技支撐計劃資助項目 (2008BADC4B05、2009BAC57B01)


Prediction of Optimal Dosage in Coagulation Treating Anaerobically Digested Effluent of Chicken Manure
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    摘要:

    對某養(yǎng)雞場沼氣工程全混式發(fā)酵罐出水沼液混凝投藥量預(yù)測模型進(jìn)行了研究。采用回歸分析法確定了混凝劑最優(yōu)投加量的模型參數(shù)；通過回歸正交試驗研究了助凝劑最優(yōu)投加量影響因素，建立了助凝劑最優(yōu)投加量預(yù)測模型；通過中試試驗，對所得投藥量模型進(jìn)行了驗證。結(jié)果表明，混凝處理沼液混凝劑最優(yōu)投加量模型為A=0.00006C1.41；助凝劑最優(yōu)投加量模型為B=0.000148CN-0.0142C-0.277N+26.7，原水CODCr及攪拌強(qiáng)度是影響助凝劑PAM投加量的重要因素；經(jīng)統(tǒng)計檢驗及中試試驗驗證，表明所建預(yù)測模型準(zhǔn)確可靠。

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    An investigation was carried out on modeling of optimal dosage prediction for coagulation treatment of CSTR fermentation tank effluent of a biogas project. The parameters of optimal coagulant dosage model were determined using regression analysis. Influencing factors of optimal coagulant aid dosage were studied through orthogonal regression experiment, then optimal coagulant aid dosage model was built. Finally a pilot experiment was carried out to verify the reliability of the models. Results showed the model of optimal coagulant dosage in coagulation treatment of biogas slurry Awas 0.00006C1.41; the model of optimal coagulant aid dosage Bwas 0.000148CN-0.0142C-0.277N+26.7, influent chemical oxygen demand and stirring intensity were found to be influencing factors of the coagulant aid PAM dosage. The obtained models were proved accurate and reliable through statistic test and pilot experimental verification.

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楊海真,嚴(yán)瀟南,王峰,羅助強(qiáng),陳新,馬玉欣.雞糞厭氧發(fā)酵沼液混凝處理投藥量預(yù)測[J].農(nóng)業(yè)機(jī)械學(xué)報,2011,42(12):133-137,115. Yang Haizhen, Yan Xiaonan, Wang Feng, Luo Zhuqiang, Chen Xin, Ma Yuxin. Prediction of Optimal Dosage in Coagulation Treating Anaerobically Digested Effluent of Chicken Manure[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(12):133-137,115.

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  • 在線發(fā)布日期: 2011-12-19
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