Influence of the temperature of storage on biogas production from dairy cows and fattening pigs’ liquid manure

被引：0

作者：

Hilgert J.E. ^{[1
,2
]}

Amon T. ^{[1
,2
]}

Amon B. ^{[2
,3
]}

Belik V. ^{[4
]}

Dragoni F. ^{[2
]}

Ammon C. ^{[2
]}

Cardenas A. ^{[2
]}

Herrmann C. ^{[2
]}

Petersen S.O. ^{[5
]}

机构：

[1] Institute for Animal Hygiene and Environmental Health, Department of Veterinary Medicine, Freie Universität Berlin, Leibniz Institute of Agricultural Engineering and Bioeconomy e.V. (ATB), Potsdam

[2] Leibniz Institute of Agricultural Engineering and Bioeconomy e.V. (ATB), Potsdam

[3] University of Zielona Góra, Faculty of Civil Engineering, Architecture and Environmental Engineering, Zielona Góra

[4] System Modeling Group, Institute for Veterinary Epidemiology and Biostatistics, Freie Universität Berlin

[5] Department of Agroecology, iClimate, Aarhus University, Tjele

来源：

VDI Berichte | 2022年 / 2022卷 / 2406期

关键词：

Fertilizers - Mammals - Manures - Methane - Volatile fatty acids;

D O I：

10.51202/9783181024065-317

中图分类号：

学科分类号：

摘要：

Liquid manure management offers significant opportunities to reduce methane (CH4) emissions, one of them is biogas production. This work aims to experimentally quantify the losses of CH4 during the storage of dairy and pig manure under different temperatures before it is feed to the biogas digester. To measure the CH4 losses from dairy and fattening pig manure, samples collected in barns were stored at five different temperatures (5 °C-25 °C) for 90 days in a laboratory-scale experiment. During the experiments biochemical methane potential (BMP) tests and the chemical composition of the slurry samples were analysed before and after storage. At temperatures above 10 °C, higher CH4 emissions were observed, thus decreasing the biogas potential of the stored manure. The biogas potential of samples stored at 5 and 10°C is presumably not affected, since negligible CH4 losses were observed during storage of dairy and pig manure, and the storage emissions can be neglected for both animal categories. Also, at storage temperatures above 10 °C, CH4 emissions based on volatile solids were notably higher for pig manure than cow manure. This can be due to the accumulation of volatile fatty acids in cow manure that may decrease the methanogenic microorganisms’ activity. © 2022, VDI Verlag GMBH. All rights reserved.

引用

页码：317 / 322

页数：5

共 7 条

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