Design of conventional batch distillation of anaerobic digestate to isolate ammonium bicarbonate considering non‐ideal mixture behavior
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DOI: 10.1002/bbb.2776
Abstract: Anaerobic digestate is a byproduct of biogas production and it is suitable for use as fertilizer. Ammonia and carbon dioxide provide the anaerobic digestate with buffer capacity and these compounds are responsible for the regulation… read more here.
Keywords: ammonium bicarbonate; mixture; distillation; digestate ... See more keywords
Cultivation of Scenedesmus dimorphus using anaerobic digestate as a nutrient medium
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DOI: 10.1007/s00449-017-1780-4
Abstract: In this study, the microalga Scenedesmus dimorphus was cultivated phototrophically using unsterilized anaerobic digestate as a nutrient medium. A bench-scale experiment was conducted by inoculating the microalga S. dimorphus with 0.05–10% dilutions of the anaerobic… read more here.
Keywords: anaerobic digestate; nutrient medium; cultivation; digestate nutrient ... See more keywords
Determination of biokinetic coefficients for nutrient removal from anaerobic liquid digestate by mixed microalgae
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DOI: 10.1007/s10811-018-1671-3
Abstract: Anaerobic digestion is one of the most common methods used to generate energy from renewable sources. However, untreated anaerobic liquid digestate may cause eutrophication if directly discharged into the water bodies due to its high… read more here.
Keywords: digestate; biokinetic coefficients; mixed microalgae; liquid digestate ... See more keywords
Monitoring nutrients fate after digestate spreading in a short rotation buffer area
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DOI: 10.1007/s11356-017-8451-5
Abstract: One of the main sources of reactive nitrogen pollution is animal manure. The disposal of digestate (material remaining after the anaerobic digestion of a biodegradable feedstock) in agricultural soils could solve both the problems of… read more here.
Keywords: fate digestate; short rotation; water; rotation buffer ... See more keywords
Concentration of trace metals in winter wheat and spring barley as a result of digestate, cattle slurry, and mineral fertilizer application
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DOI: 10.1007/s11356-019-07304-2
Abstract: Concentration of trace metals (TMs) is one of the most crucial factors determining the quality of cereal grains. The aim of this study was to evaluate the effect of digestate, manure, and NPK fertilization on… read more here.
Keywords: fertilization; concentration trace; trace metals; cattle slurry ... See more keywords
The effects of inflow of agricultural biogas digestate on bivalves’ behavior
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DOI: 10.1007/s11356-021-15199-1
Abstract: This study focused on the reaction of bivalve molluscs to biogas digestate, which is a waste product of an increasingly developing biogas production in rural areas worldwide. The effects of biogas digestate on aquatic organisms… read more here.
Keywords: biogas digestate; shell opening; bivalves behavior; concentration ... See more keywords
Degradation of Lignocellulosic Complex Through Production of Struvite from Digestate
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DOI: 10.1007/s12649-019-00637-6
Abstract: Anaerobic digestion (AD) is already contributing to global climate change efforts both from feedstock and end-use side but there is still room for an improvement. Digestate is a by-product of AD process that has been… read more here.
Keywords: lignocellulosic complex; digestate; production; degradation lignocellulosic ... See more keywords
Valorisation of Agricultural Digestate for the Ammonium Sulfate Recovery and Soil Improvers Production
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DOI: 10.1007/s12649-021-01486-y
Abstract: This work investigates an innovative process to valorise agricultural digestate by the exploitation of solar energy. Digestate has been located in a lab-scale greenhouse to evaporate the liquid phase. Digestate vapours, rich in ammonia, are… read more here.
Keywords: digestate ammonium; soil; digestate; agricultural digestate ... See more keywords
Glycerol Immobilises Anaerobic Digestate Supplied Nitrogen
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DOI: 10.1007/s12649-024-02876-8
Abstract: Anaerobic digestate, a nutrient rich by-product of the biogas industry, is frequently applied to agricultural land as a fertiliser. However, nitrogen losses from its application negatively impact air and water quality. Therefore, methods are needed… read more here.
Keywords: carbon; nitrogen; soil; glycerol ... See more keywords
Post-anaerobic treatability and residual biogas potential of digestate
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DOI: 10.1007/s13399-021-01290-7
Abstract: Anaerobic digestion is a well-established method of stabilizing various organic wastes. However, effective and low-cost methods need to be developed and applied for digestate management to realize the full benefits of anaerobic digestion. The post-treatment… read more here.
Keywords: residual biogas; anaerobic treatability; post; biogas ... See more keywords
Short- and long-term impacts of anaerobic digestate spreading on earthworms in cropped soils
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DOI: 10.1016/j.apsoil.2021.104149
Abstract: Abstract Anaerobic digestion is increasingly used in Europe to treat organic substrates and produce biogas as a renewable energy source. The residual matter (digestate) is used in agriculture as an organic fertilizer. The study aims… read more here.
Keywords: term; soil; digestate; short term ... See more keywords