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Exploring Anaerobic Digestion of Dai...

Witherrite, Sarah L.,

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Exploring Anaerobic Digestion of Dairy Manure and Its Potential Soil Applications /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Exploring Anaerobic Digestion of Dairy Manure and Its Potential Soil Applications // Sarah L Witherrite.
作者:	Witherrite, Sarah L.,
面頁冊數:	1 electronic resource (75 pages)
附註:	Source: Masters Abstracts International, Volume: 86-04.
Contained By:	Masters Abstracts International86-04.
標題:	Agricultural engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31145884
ISBN:	9798384479635

Exploring Anaerobic Digestion of Dairy Manure and Its Potential Soil Applications /
Witherrite, Sarah L.,

Exploring Anaerobic Digestion of Dairy Manure and Its Potential Soil Applications /Sarah L Witherrite. - 1 electronic resource (75 pages)

Source: Masters Abstracts International, Volume: 86-04.

This study conducts a comprehensive statistical analysis to evaluate the impact of different treatments on biogas production and assesses the effectiveness of anaerobic digestion processes. Results from ANOVA indicate a significant effect of treatment on biogas production (F-value = 6.28, p < 0.05), with the 55°C GAC treatment showing notably higher biogas yields. Post-hoc comparisons further confirm the positive influence of GAC addition and higher temperature on biogas production, with the 55°C GAC treatment significantly outperforming all other treatments (p < 0.05). Analysis of total solids (TS) and volatile solids (VS) before and after digestion demonstrates a significant reduction in both TS and VS content across all treatment conditions. For instance, the 37°C treatment showed a decrease in VS from an initial value of 6.38% to a final value of 2.96%, while the GAC 37°C treatment exhibited a decrease from 6.38% to 3.26%. Similarly, the TS decreased from 8.01% to 4.01% in the 37°C treatment, and from 8.01% to 4.89% in the GAC 37°C treatment. Removal efficiencies of volatile solids show that higher temperatures enhance removal rates, with approximately 53.6% removal efficiency at 37°C and 60.9% at 55°C, while the presence of GAC slightly reduces removal efficiency compared to treatments without GAC. The study also compares two kinetic models, the first-order kinetic model and the Cone model, to analyze biogas production kinetics. While the first-order model provides insights into the exponential stage of gas production, the Cone model offers a better fit to the data and predicts methane yield more accurately, with root mean square prediction error (rMSPE) values ranging from 1.7087% to 6.836%. These findings contribute to advancing understanding and refining models for optimizing anaerobic digestion processes and maximizing biogas yields for sustainable energy production.

English

ISBN: 9798384479635Subjects--Topical Terms:

3168406
Agricultural engineering.
Subjects--Index Terms:

Anaerobic digestion

Exploring Anaerobic Digestion of Dairy Manure and Its Potential Soil Applications /
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650 4 $a Energy. $3 876794
650 4 $a Bioengineering. $3 657580
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653 $a Digestate
653 $a Digestate characteristics
653 $a Granulated activated carbon
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