slurry storage Articles
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A Bayesian network model for assessing natural estrogen fate and transport in a swine waste lagoon
Commercial swine waste lagoons are regarded as a major reservoir of natural estrogens, which have the potential to produce adverse physiological effects on exposed aquatic organisms and wildlife. However, there remains limited understanding of the complex mechanisms of physical, chemical, and biological processes that govern the fate and transport of natural estrogens within an anaerobic swine ...
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Effect of cattle slurry separation on greenhouse gas and Ammonia emissions during storage
Storage of cattle slurry leads to emissions of methane (CH4), nitrous oxide (N2O), ammonia (NH3), and carbon dioxide (CO2). On dairy farms, winter is the most critical period in terms of slurry storage due to cattle housing and slurry field application prohibition. Slurry treatment by separation results in reduced slurry dry matter content and has considerable potential to reduce gaseous ...
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Pilot scale facility to determine gaseous emissions from livestock slurry during storage
Livestock production is a growing source of air pollution, locally and to the wider environment. Improved livestock manure management has the potential to reduce environmental impacts, but there is a need for methodologies to precisely quantify emissions. This paper describes and evaluates a novel storage facility for livestock slurry consisting of eight 6.5-m3 cylindrical units. The stores may ...
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Nitrogen on land not in the air…
A system of bag tank storage is putting a large-scale pig producer a step ahead of legislation that will require slurry stores to be covered by 2027. ...
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Lowara pumps drive livestock operations
Animal output processed for safe disposal, reuse and renewable energy Xylem scope Xylem Lowara have installed several different types of pumps in this process cycle. Ranging from the DLV submersible pump fitted with Vortex impeller used in the pressurization of wastewater obtained from the separation of the digestate. Various high efficiency e-range pumps have also been used including the e-SH ...
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Ammonia sanitization of blackwater for safe use as fertilizer
Source-separated blackwater from low-flush toilets contains plant-available nutrients and can be used as a fertilizer. The aim of the study was to evaluate the impact on pathogen inactivation when treating blackwater with urea and/or lime. Blackwater was spiked with Salmonella typhimurium, Escherichia coli O157, Enterococcus faecalis, and Ascaris suum eggs, and treated with urea and/or lime in ...
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Phosphate Fertilizer Plants Industry - Pollution Prevention Guidelines
Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum emissions ...
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Manure drying tunnel doing a good job - Case Study
Generating power from renewable energies is becoming increasingly important in Germany as well as on the international level. Thus, it is not surprising that the number of biogas plants is steadily increasing as are wind power plants and solar plants. On the agricultural sector, biogas plants are an additional source of income on many farms besides crop production and livestock husbandry. When ...
By Big Dutchman
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The Dangers of Farm Slurry and the Production of Slurry Gas
Slurry is created from cow manure and water and provides a fantastic, natural fertiliser that farmers can use to encourage the growth of grass and other crops. It is usually stored in a slurry tank or lagoon before it is applied to farmland as fertiliser. The dangers of working with slurry are well documented, as high amounts of gases can be released very quickly. How is farm slurry made? Waste ...
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