Essays about: "digestate"
Showing result 6 - 10 of 60 essays containing the word digestate.
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6. Investigating organic fertilisers’ ability to mineralize during the first month of plant propagation
University essay from SLU/Dept. of Biosystems and Technology (from 130101)Abstract : There are many forms of organc fertilizers produced and sold in the EU, and it can be difficult to assess which ones are the best in regards of nutrient content and the rate of mineraliztion. Two separate trials were conducted to assess the mineralization rates of three different organic fertilizers, available for private customers, on the Swedish market. READ MORE
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7. Separation and acidification of digested animal manure : properties of the future organic fertilizers
University essay from SLU/Dept. of Soil and EnvironmentAbstract : Agricultural areas with a high animal density contribute to eutrophication in waterbodies and seas worldwide due to accumulation of nutrients around animal farms. Animal manure is heavy and bulky, thus unpractical to transport long distances and new techniques have been developed to refine animal manure and make it easier to transport. READ MORE
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8. Biochar from separated digestate and pig manure as soil amendment
University essay from SLU/Dept. of Soil and EnvironmentAbstract : The situation in and around the Baltic Sea, with large areas with hypoxia in the sea and areas in the watershed with a high concentration of animal farms, has led to a need to increase the nutrient recycling of animal manure. High levels of phosphorus (P) in the soil lead to leaching, and by reducing the P-level in organic fertilizers, this leaching can be reduced. READ MORE
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9. Developing biofertilisers in Grenada from the residues of an anaerobic digestion plant using Sargassum seaweed : Evaluating how problematic Sargassum algae can be turned in to a resource in Caribbean states
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : The West Indies have during recent years been experiencing large quantities of washed up Sargassum seaweed on beaches and coastlines causing many issues for local communities such as unpleasant odours, making beaches inaccessible and largely affecting tourism and fisheries. The issue has caused money loss for the communities both in cleaning costs and decreasing incomes from tourism and fishing. READ MORE
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10. Increase of biogas production by incorporating residual streams from agriculture
University essay from Lunds universitet/Kemiteknik (CI)Abstract : To expand the biogas production in Region Västra Götaland (RVG), residual streams from the agricultural sector can function as a large-scale supplier of biomass. The production of biogas decreases the dependence of fossil fuels and the digestate that is formed can also be returned to the agricultural sector, creating a closed loop. READ MORE