Life Zero Waste – Positive energy waste water treatment plant for combined treatment of waste water and bio-waste in small populations

The LIFE ZERO WASTE WATER project will demonstrate an innovative, cost-efficient and positive energy balance waste water treatment plant (WWTP) solution for the integrated management of urban wastewater (WW) and the organic fraction of municipal solid waste (OFMSW). This will be especially designed for WWTPs serving small populations (i.e. < 50 000 inhabitants).

The specific objectives are to:

  • Set up a strategy for the collection of Kitchen Food Waste (KFW) at municipal level; – Design a management strategy, considering regulatory barriers, for the collection of the KFW, on-site treatment and disposal into the sewer system, for the mixed waste stream (KFW and WW);
  • Develop an Anaerobic Membrane Bioreactor (AnMBR), based on the pilot plant developed in the project LIFE MEMORY (LIFE13 ENV/ES/001353), where WW and OFMSW streams will be jointly treated, by integrating anaerobic treatment and membrane ultrafiltration in a single step;
  • Develop a Partial Nitritation-Anammox (PN-AMX) reactor: the organic matter free stream from AnMBR treated to remove nitrogen in the projects PN-AMX reactor;
  • Develop a Nutrients Extraction and Recovery Module: an Adsorption and Biosolids Composting Units will be set up to receive effluents from AnMBR and the PN/AMX;
  • Integration of the AnMBR, PN/AMX and Nutrients Extraction and Recovery Modules in a compact solution with synergistic results and minimum requirements in terms of energy and surface area; and
  • Develop a Smart Water Monitoring and Control System for efficient water management.

The project objectives are fully in line with the Waste Framework Directive, the Water Framework Directive, and related policy initiatives, like the Europe 2020 Resource-efficient Roadmap and the Blueprint to Safeguard European Waters.