Results 21 to 30 of about 288,874 (227)
The Odor Release Regularity of Livestock and Poultry Manure and the Screening of Deodorizing Strains
Microorganisms, 2021 Human living environments and health are seriously affected by the odor produced from fermentation of livestock and poultry manure. In order to reduce the odor pollution caused by livestock and poultry manure, efficient strains were screened and two ...
Haixia Ma +5 more
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Pig manure treatment and purification by filtration
Journal of Environmental Management, 2015 This study aimed to develop a new, complex pig manure treatment and filtration process. The final scheme, called the AMAK process, comprised the following successive steps: mineralization with mineral acids, alkalization with lime milk, superphosphate addition, a second alkalization, thermal treatment, and pressure filtration.
Makara, A., Kowalski, Z.
openaire +2 more sources
Belt separation system under slat in fattening pig housing: Effect of belt type and extraction frequency [PDF]
, 2010 The efficiency of manure separation by a conveyor belt under a partially slatted floor for fattening pigs was determined for two types of belts, a flat belt with an incline of up to 6° transversely and a concave belt with an incline of up to 1 ...
Ovejero Rubio, Ismael +5 more
core +1 more source
Stability of Thermophilic Pig Manure Mono-digestion: Effect of Thermal Pre-treatment and Separation
Frontiers in Energy Research, 2020 Anaerobic pig manure digestion holds potential to contribute to a bio-based economy. This work assesses the stability of the thermophilic mono-digestion process.
Tine L. I. Vergote +7 more
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Agronomy, 2022 Land application of livestock manure may reduce the use of mineral fertilizers and alleviate the environmental degradation associated with mineral fertilizers application.
Jiukai Xu +6 more
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Changes in the properties of pig manure slurry.
Acta Biochimica Polonica, 1970 The paper presents the results of analyses of samples of manure from a pig farm located near Piła, Poland performed between June 2011 and May 2012 using a single sampling system. The statistical analyses of the average content of chemical and biological oxide demands, nitrogen, phosphorus, potassium, calcium and dry mass in the slurry in various ...
Zygmunt Kowalski +2 more
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Journal of Integrative Agriculture, 2021 The black soldier fly larvae (BSFL) (Hermetia illucens) are a good candidate for poultry and livestock manure treatment. The harvested insect bodies and feces can be used as animal feed and organic fertilizer. However, heavy metals have a negative impact
Xiao-bo WANG +4 more
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Anaerobic co-digestion of pig manure and algae: impact of intracellular algal products recovery on co-digestion performance [PDF]
, 2015 This paper investigates anaerobic co-digestion of pig manure and algae (Scenedesmus sp.) with and without extraction of intracellular algal co-products, with views towards the development of a biorefinery concept for lipid, protein and/or biogas ...
Pratt, S. +6 more
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Co-amelioration of red soil acidity and fertility with pig manure rather than liming
, 2022 Lime (calcium oxide), animal manure and crop straw soil treatments have been shown to ameliorate soil acidity, yet their effectiveness at concurrently enhancing soil fertility status and improving crop yields is less well understood.
Cai, Z. +12 more
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Land, 2022 Paddy fields account for 10% of global CH4 emissions, and the application of manure may increase CH4 emissions. In this study, high-throughput sequencing technology was used to investigate the effects of manure application on CH4 emissions and ...
Jianqiang Wu +10 more
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