Anaerobic digestion
Parameter and State Estimation of an Anaerobic Digestion of Organic Wastes Model with Addition of Stimulating Substances
... Abstract: New control inputs are introduced in the 5 th order mass-balance non-linear model of the anaerobic digestion, which reflects the addition of stimulating substances (acetate and glucose). ...
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SWINE EFFLUENT TREATMENT USING ANAEROBIC DIGESTION AT DIFFERENT LOADING RATES
... The anaerobic digestion process comprises several species of microorganisms that may be divided into two groups, acidogenic bacteria and methanogenic archaea, which require different conditions for cell ...
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Anaerobic Digestion Performance in the Energy Recovery of Kiwi Residues
... Taking into account this fact, this study aims to recovery energy from kiwi residues by anaerobic digestion, carrying out various experiments in a laboratory scale batch reactor. Biogas production was ...
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Mathematical models of anaerobic digestion for the treatment of swine effluents
... and digestion time affect biogas production (Herrero 2011), therefore, the development of mathematical models that take these factors into account to estimate the main parameters of the anaerobic ...
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Hydraulic retention time on vinasse stabilisation with limestone in the acidogenic phase of anaerobic digestion
... ABSTRACT: The main problem in anaerobic digestion of low-protein residues is the instability caused acidity. The use of limestone at the same time as a neutralizing agent and support material is innovative ...
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TECHNICAL PAPER ANAEROBIC DIGESTION STABILITY TEST BY SHEWHART CONTROL CHART
... The anaerobic digestion (AD) operation complexity raise the importance of stability testing to verify whether the operating conditions are under control and whether the process is working as ...
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Brewery and olive oil industries: wastes valorisation by anaerobic digestion
... after anaerobic digestion, in 100%PE and 30%OMW+70%PE a decrease in antioxidant activity and inhibition was observed, suggesting a loss of compounds of interest together with other phenolic compounds during ...
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Comparison of various microbial inocula for the efficient anaerobic digestion of Laminaria hyperborea
... [reviewed in 4]. Williams et al. [6] studied the ruminal microbiota of the North Ronaldsay breed of sheep (the male adults of which survive almost entirely on a seaweed diet on the remote island of North Ronaldsay in the ...
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Influence of Digestate Recirculation and Recirculation Percentage on Biogas Production from Lawn Grass via Anaerobic Digestion
... Fig. 3 demonstrates the total biogas production, methane content and methane content with respect to time in the digester treating lawn grass with 0%, 10%, 20%, 30%, 40% and 50% recycled solid digestate. Though it was ...
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BIOGAS PRODUCTION POTENTIAL IN ANAEROBIC DIGESTION OF SWINE MANURE WITH DIFFERENT SOLID FRACTION CONCENTRATIONS AND TEMPERATURES
... The anaerobic digestion process culminated with the development of biodigesters (AQUINO et ...the anaerobic bacteria, which will decompose the organic matter and produce biogas, and, in addition, ...
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The Addition of Hatchery Liquid Waste to Dairy Manure Improves Anaerobic Digestion
... co- digestion of dairy cattle manure with energy-rich agroindustry waste provides better carbon (C) to nitrogen (N) ratio, resistance to acidification of the medium, and higher levels of nutrients available for ...
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Effect of increasing total solids contents on anaerobic digestion of food waste under mesophilic conditions: performance and microbial characteristics analysis.
... are anaerobic bacteria that decompose carbohydrates via fermentation [27], the genus Anaerolineaceae seemed to be involved in carbohydrate decom- position in anaerobic digestion of ...up-flow ...
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Anaerobic digestion of sludge from marine recirculation aquaculture systems
... the anaerobic digestion of salt-containing food wastes ...The anaerobic seed sludge used was taken from an anaerobic digester in a municipal wastewater treatment ...of anaerobic ...
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Anaerobic Digestion for Sustainable Energy: A Brief Review
... which anaerobic fermentation can be achieved: (1) psychrophilic (10-20 o C), (2) mesophilic (25-38 o C), and thermophilic (44-57 o ...in anaerobic digesters are either mesophilic (with an optimum at 35 o C) ...
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Temperature Control of a Pilot Anaerobic Digestion Reactor
... The main aim of this paper is to present the results of analysis and design and implementation of a tem- perature control system for a practical pilot anaerobic digestion (AD) bioreactor fed with dairy ...
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Anaerobic digestion of organic matter. Biogas production from energy crop residues (Maize stalks)
... AD is composed by hydrolysis, acidogenesis, acetogenesis and methanogenesis processes. All of those steps transform organic matter's molecules, in even smaller pieces, producing in the end the biogas and digestate, and ...
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Anaerobic digestion of laminaria hyperborea for biogas production
... by anaerobic digestion ...longer digestion times and will not increase productivity significantly as compared to moderate concentrations, such as 5 or 10% (ww/v); no pre-treatment applied to the ...
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Adapting Dynamic Mathematical Models to a Pilot Anaerobic Digestion Reactor
... A dynamic model has been adapted to a pilot anaerobic reactor fed diary manure. Both steady-state data from online sensors and laboratory analysis and dynamic operational data from online sensors are used in the ...
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CELLULASE EFFECT ON ANAEROBIC DIGESTION OF MAIZE SILAGE UNDER DISCONTINUOUS OPERATION
... the anaerobic digestion of feedstock, there are studies with both positive and negative results in targeting the enhancement of methane ...thermophilic anaerobic digestion of wheat grass. ...
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Increase of the efficiency of anaerobic digestion by various pre-treatment processes of sewage sludge
... Wp ł yw wst ę pnej obróbki osadu ś ciekowego na efek- tywno ść procesu fermentacji metanowej.[r] ...
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