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首页> 外文期刊>Journal of Environmental Science and Health >Modelling anaerobic digestion in an industrial biogas digester: Application of lactate-including ADM1 model (Part II)
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Modelling anaerobic digestion in an industrial biogas digester: Application of lactate-including ADM1 model (Part II)

机译：在工业沼气池中模拟厌氧消化：含乳酸的ADM1模型的应用（第二部分）

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A modified Anaerobic Digestion Model No. 1 (ADM1xp) including lactate was applied to a full-scale biogas plant. This model considers monosaccharides to degrade through lactic acid, which further degrades majorly into acetate followed by propionate and butyrate. Experimental data were derived from the previous works in the same laboratory, and the proposed parameters were validated against batch experiments. After successful validation, the biogas plant bearing a fermenter size of 7dam(3) and operated with food waste and cattle manure was simulated. The biogas production and methane content were reliably simulated, and a good fit could be obtained against the experimental data with an average difference of less than 1%. When compared to the original ADM1 model, the performance of the lactate-incorporated model was found to be improved. Inclusion of lactate as a parameter in the ADM1xp model is recommended for an increased sensitivity and enhanced prediction principally for systems dealing with high carbohydrate and lactate loads.
机译：改良后的包括乳酸的厌氧消化模型No. 1（ADM1xp）被应用于大型沼气厂。该模型认为单糖会通过乳酸降解，进而进一步降解为乙酸盐，然后再降解为丙酸酯和丁酸酯。实验数据来自同一实验室的先前工作，并且针对批处理实验验证了所提出的参数。成功验证后，模拟了发酵罐大小为7dam（3）并与食物垃圾和牛粪一起运行的沼气厂。可靠地模拟了沼气的产生和甲烷含量，并且与实验数据可以很好地拟合，平均差异小于1％。与原始ADM1模型相比，发现掺有乳酸的模型的性能得到了改善。建议将乳酸作为参数包含在ADM1xp模型中，以提高灵敏度并增强预测，主要是针对处理碳水化合物和乳酸负荷较高的系统。

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