使用不合格面粉作为共底物提高沼气产量的研究

V. Polishchuk, I. Rogovskii, S. Shvorov, D. Derevianko, Ye. O. Dvornik, T. Davidenko
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摘要

AnnotationPurpose。通过合理的粪肥发酵方式,添加不合格面粉作为共底物,提高沼气产量。方法。实验计划,数理统计方法。实验数据的分析处理。采用数理统计和概率论的方法,在计算机上使用Excel和MathCad软件进行计算。采用二分法对优化问题进行了求解。以添加小麦粉为底物的牛粪甲烷发酵试验中,在底物中添加2.3%面粉时,沼气产量最高。如果面粉的质量增加到10.6%,甲烷发酵会迅速停止。研究结果表明:在甲烷罐准连续加载条件下,确定了基质中面粉的最佳含量为3%;提出了基质中面粉的合理含量为2.3 ~ 4%的建议,使牛粪与面粉混合发酵时的沼气产量提高1.5 ~ 2倍。关键词:沼气,共底物,沼气罐,储气罐,牛粪,面粉,粮食废弃物,面包废弃物,实验研究
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Study of the use of substandard flour as a co-substrate to increase biogas yield
Annotation Purpose. Increasing the biogas yield due to the rational mode of manure fermentation with the addition of substandard flour as a co-substrate. Methods. Experiment planning, methods of mathematical statistics. Analytical processing of experimental data. was carried out using the methods of mathematical statistics and probability theory on a computer in Excel and MathCad. Optimization problems were solved using the dichotomy method. Results. In methane fermentation of cattle manure with the addition of wheat flour as a co-substrate, the maximum yield of biogas was observed when adding 2.3% flour to the substrate. If the mass of flour increases to 10.6%  methane fermentation quickly stops. Conclusions. Based on the research, the following results were obtained: • for quasi-continuous loading of the methane tank, the optimal flour content in the substrate is determined, which is 3%; • substantiated recommendations on the rational content of flour in the substrate in the range of 2.3–4%, which provides an increase in biogas yield during fermentation of a mixture of cow manure and flour in 1.5–2 times. Keywords: biogas, cosubstrate, methane tank, gasholder, cattle manure, flour, grain waste, bread waste, experimental researches.
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