two-stage anaerobic digestion system
Anaerobic Digestion for Sustainable Energy: A Brief Review
... the anaerobic digester's design ...and two stage anaerobic processes using food ...the two-stage system is reduced by 26% while the retention time is decreased by ...OLRs, ...
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From fruit pulp wastes to biomethane: assessment of substrate shifts on the performance of a two-stage anaerobic system and biogas upgrading studies
... The present results suggest that the reactor could be operated for long periods of time changing the substrate when required without stopping the operation nor needing long periods of time for adaptation. However, ...
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Comparison of various microbial inocula for the efficient anaerobic digestion of Laminaria hyperborea
... Several microbial inoculum were examined for the ability to hydrolyse polysaccharides and produce methane in AD of L. hyperborea. All the inocula could hydrolyse L. hyper- borea and produce methane to some extent but ...
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Sensitivity Analysis in Two-Stage DEA
... the two stages has no way to be considered or reflected in this ...the two stages within the overall process and modeled the overall efficiency of two-stage process as the product of the ...
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Braz. J. Chem. Eng. vol.33 número4
... the anaerobic digestion process in a continuous stirred-tank reactor (CSTR) (Batstone et ...and two-stage systems (Blumensaat and Keller, 2005; Chen et ...of anaerobic digestion ...
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Depuração de efluente suinícola por Lemna minor e valorização energética da biomassa por co-digestão anaeróbia
... minor, (ii) assess the efficiency of Duckweed for nutrients removal from pre-treated swine wastewater; (iii) test the applicability of anaerobic co-digestion for biomass valorisation..[r] ...
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Impact of Biogas Technology in the Development of Rural Population
... The biogas production from solid substrates can be enhanced by using different methods including: use of additives, recycling of slurry and slurry filtrate, variation in operational parameters like temperature, hydraulic ...
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Biogas Production from Batch Anaerobic Co-Digestion of Night Soil with Food Waste
... biological anaerobic treatment was also active as ...conventional anaerobic process (Sirivitayaphakorn, 2008). At the end of digestion process, the COD removal efficiency measured at 4 sampling ports ...
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Crude glycerin in anaerobic co-digestion of dairy cattle manure increases methane
... Glycerin used in this study contained high levels of lipid (78 %) and the increase of organic load in diges- tion caused by the inclusion of this fraction in substrates may have compromised the solids reductions. ...
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Mesophilic Anaerobic Co-digestion of Cow dung, Chicken Droppings and Grass Clippings
... of anaerobic digestion, during which the complex organic matter (Polymers) are decomposed into smaller units (mono- and ...acidogenesis stage products are acetic acid, propionic acid, formic acid, ...
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The Addition of Hatchery Liquid Waste to Dairy Manure Improves Anaerobic Digestion
... in two fractions: one consisting of eggshells (solid fraction), and the other of egg contents (liquid fraction), which was used for the anaerobic co-digestion process in the present ...
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Anaerobic digestion of organic matter. Biogas production from energy crop residues (Maize stalks)
... However, few years ago, the need to provide solutions to the environmental prob- lems, has originated the implementation of centralized solutions to agro-livestock residues, following the models from the 80‟s and ...
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BIOGAS PRODUCTION POTENTIAL IN ANAEROBIC DIGESTION OF SWINE MANURE WITH DIFFERENT SOLID FRACTION CONCENTRATIONS AND TEMPERATURES
... However significant differences (p<0.05) in the average biogas production between the EB WSSF and OSF as well as between OSF and W-SSF in RT were detected. The comparison between the EBs submitted to 30ºC showed no ...
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Co-digestão anaeróbia de resíduos de incubatório e águas residuárias para produção de energia e biofertilizante - Fase batelada
... the anaerobic co-digestion with hatchery ...by anaerobic co-digestion processes is not so useful because of the chemical characteristics of the mixtures, mainly the presence of hatchery ...the ...
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Braz. J. Chem. Eng. vol.31 número2
... the anaerobic system, it is admitted that excessive amounts of calcium lead to precipitation of calcium carbonate and phosphate, which may result in: (i) the scaling of reactors and pipes, (ii) the scaling ...
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Evaluation of granular anaerobic ammonium oxidation process for the disposal of pre-treated swine manure
... and anaerobic digestion-partial oxidation treatment process treating swine manure and its corresponding control artificial ...anammox system had the potential to effectively treat swine manure that ...
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Two-Stage Stochastic Programs with Mixed Probabilities
... traditional two-stage lin- ear stochastic program by probabilistic constraints imposed in the second ...linear two-stage stochastic programs have to be rethought from the very ...
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TWO-STAGE DYNAMIC MULTI-PERIOD PORTFOLIO OPTIMIZATIONS
... innovative two-stage dynamic multi-period portfolio selection approach with random portfolio weights and random quadratic transaction ...proposed two-stage approach, the optimal portfolio ...
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Biogas originated from residual biomass in ecosystem services
... indirectly from the functions of the ecosystem. People benefit from ecosystem services which are, among others, nutrition, access to air and water, health, safety, leisure (Maes et al., 2016). The benefits from ecosystem ...
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Orientador: Nuno Carlos Lapa dos Santos Nunes, Professor Auxiliar da FCTUNL Co-orientadora: Maria da Graça Madeira Martinho, Professora Auxiliar da FCTUNL
... Biological pre-treatment are mainly based on either microbial or enzymatic activity used for pre-degradation of barely biodegradable substrates (e.g. lignocelluloses) as a cost-effective method, although it requires a ...
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