biogas modeling Articles

  • Anaerobic digestion of wastewater from the fruit juice industry: experiments and modeling

    Anaerobic digestion of wastewater from the fruit juice industry was carried out in a batch digester. To study the effect of the pH values as well as the nutrient medium on the fermentation process, different parameters were monitored under mesophilic temperature, such as cumulative biogas volume, chemical oxygen demand (COD), total sugar, and biomass growth. It was found that for all cases, the ...

    By IWA Publishing

  • Modeling anaerobic digestion of municipal wastewater sludges: an elemental approach

    An experimental study that examined the elemental composition of waste activated sludge as it progressed through mesophilic and thermophilic anaerobic digestion was completed. It was found that the oxygen mass fraction of the VSS increased while the carbon content decreased as digestion progressed. Small differences were observed in the responses observed for mesophilic and thermophilic digestion ...

  • Modelling shortcut nitrogen removal from wastewater using an algal–bacterial consortium

    A shortcut nitrogen removal process was investigated for treatment of high ammonium strength wastewater using an algal–bacterial consortium in photo-sequencing batch reactors (PSBRs). In this process, algae provide oxygen for nitritation during the light period, while denitritation takes place during the dark (anoxic) period, reducing overall energy and chemical requirements. Two PSBRs were ...

    By IWA Publishing

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