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雞糞厭氧發(fā)酵沼液混凝處理投藥量預(yù)測(cè)
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“十一五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目 (2008BADC4B05,、2009BAC57B01)


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

    對(duì)某養(yǎng)雞場(chǎng)沼氣工程全混式發(fā)酵罐出水沼液混凝投藥量預(yù)測(cè)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(guò)回歸正交試驗(yàn)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(cè)模型,；通過(guò)中試試驗(yàn)，對(duì)所得投藥量模型進(jìn)行了驗(yàn)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(jì)檢驗(yàn)及中試試驗(yàn)驗(yàn)證，表明所建預(yù)測(cè)模型準(zhǔn)確可靠,。

    Abstract:

    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(cè)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),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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