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THE SOLUTION FOR A SUSTAINABLE WWTP

Implementation and integrated process management of anaerobic co-digestion of sludge and the biogas production from waste. Specialists in co-digestion using co-substrate produced from an alcohol mixture with high organic loading rate (> 150.000 mg O2/l).

Aim: to increase biogas production and power generation

Advantages and benefits::

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  • Co-digestion ensures the energetic sustainability of the WWTP by producing 100% of the plant’s power consumption.
  • High process efficiency (>90% organic matter discharge obtained with certain co-substrates) without increasing the volume of digested material or the return flow of the pollution load to the plant.
  • Integrated process management: from the search and characterization of the best co-substrates, their quality control, administration and specialised conveyance, to real-time monitoring and optimization of the co-digestion process using advanced control technology.
  • Remote access to advanced control co-digestion and cogeneration.
  • Up to 35% reduction in operating costs.
  • Return on investment in less than 10-months.

Specific advanced control solutions to operate and optimize co-digestion:

  • Anaerobic co-digestion

    Controlling the entire co-digestion process, this control determines co-substrate dosage for anaerobic co-digestion, maximizing biogas production.

     

  • Cogeneration

    This control defines the cogeneration engine operating strategy to maximize power generation and/or adapt it to plant power consumed.

Application:

  • Co-digestion can be implemented in any anaerobic digester system.
  • Co-digestion advanced control can be applied to any kind of co-substrate.
  • Advanced control solutions are designed to manage and optimize any power-generation equipment (biogas engine or microturbine).

Results:

The results obtained in the implemented co-digestion and cogeneration processes are:

SISLtech -  Xaloc 1, 2nd floor – 08150 Parets del Vallès (Barcelona – Spain)

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