Results 171 to 180 of about 11,107 (229)
Detection of Ammonia-Oxidizing Beta-Proteobacteria in Swine Waste Treatment Systems.
, 2004 Jennifer Mary Smith
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Bioresorbable RFID capsule for assessing medication adherence. [PDF]
Nat CommunSay MG +13 more
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Conversion of anaerobic digestates into biochar for sustainable fodder production in soilless agriculture. [PDF]
Bioresour BioprocessNavas-Romero AL +9 more
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Fine hydrochar in hydrothermal hydrolysate promotes startup and gas production of swine manure anaerobic digestion. [PDF]
Sci RepZha X, Li F, Shen Y, Zhang X, He R.
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Growth of Spirulina maxima on swine waste
Bioresource Technology, 1993Abstract The ability of Spirulina maxima to grow on aeration-stabilized swine waste and the use of this growth in the tertiary treatment of the waste was studied. Nutrient removal (total phosphorus, orthophosphates and ammonium) was used as an indicator of the depuration efficiency of the biological system.
R.O. Cañizares, A.R. Domínguez
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Canadian Journal of Microbiology, 1990
Complete oxidation of ammonia nitrogen (~1000 mg/L) to nitrite was observed in stabilized swine waste after 49 days in incubation at 400 rpm and 29 °C, only if 10% (v/v) activated sludge from a wastewater treatment unit and 1.5% (w/v) CaCO3, were added.
M, Blouin +3 more
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Complete oxidation of ammonia nitrogen (~1000 mg/L) to nitrite was observed in stabilized swine waste after 49 days in incubation at 400 rpm and 29 °C, only if 10% (v/v) activated sludge from a wastewater treatment unit and 1.5% (w/v) CaCO3, were added.
M, Blouin +3 more
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Stabilization of Swine Wastes by Anaerobic Digestion
Environmental Technology, 2007The purpose of this study was to evaluate the efficiency of the anaerobic digestion to reduce the organic load of swine waste. Anaerobic digestion is a biological means of decomposition of manure in an oxygen-free environment, and has the advantage of producing a fuel gas (methane) and an odor-free residue rich in nutrients, which can be used as ...
R D, Costa, C R G, Tavares, E S, Cossich
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Estrogen Content of Dairy and Swine Wastes
Environmental Science & Technology, 2004Naturally occurring estrogens in animal wastes may cause negative environmental impacts, yet their abundance in animal waste treatment and storage structures is poorly documented. To better quantify estrogen concentrations in animal wastes, multiple waste samples were collected from treatment and storage structures at dairy and swine facilities and ...
D Raj, Raman +7 more
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Agriculture, Ecosystems & Environment, 1989
Abstract A laboratory-scale lagoon was constructed and loaded with swine wastes while the temperature was varied from 30 to 1°C on a 120-day cycle. The lagoon was shown to generate particles in the 0.5–3-μm range. The number of particles ranged from 880 to 16 000 1−1 and was least when the temperature was low.
Earl G. Hammond +2 more
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Abstract A laboratory-scale lagoon was constructed and loaded with swine wastes while the temperature was varied from 30 to 1°C on a 120-day cycle. The lagoon was shown to generate particles in the 0.5–3-μm range. The number of particles ranged from 880 to 16 000 1−1 and was least when the temperature was low.
Earl G. Hammond +2 more
openaire +1 more source