Case Study — Integral Waste Centre in Maresme
The line processes glass from MSW with PICVISA technology.
The French company Veolia wanted to continue its commitment to excellence in the operation of the Maresme Integral Waste Recovery Centre, investing 1.8 million euros to launch a new project to select, classify and recover the glass that was still present in the organic matter at the end of the organic matter treatment process. Until this moment, this glass fraction was lost and no profit was made from it.
In this way, the Consortium for the Treatment of Urban Solid Waste of El Maresme also took a step forward in providing an integrated solution for the management of urban solid waste (USW) in the region of El Maresme, Barcelona.
This new expansion was carried out by PICVISA and has been in operation since the end of September 2019, allowing 4,500 tons of glass to be recycled per year — equivalent to an annual energy saving of 3,200 MWh and avoiding the emission of 2,600 tons of CO2.
The new sorting and recovery line collects the glass from the bio-stabilization refining process and the extraction of heavy metals from the biomethanization pulpits (10 t/h). With this new implementation, an increase in the annual recovery rate of 2.3% over the tons entering the plant is expected. The plant is made up of various screening equipment, a densimetric table, conveyor belts, and suction systems.
The key piece of the recovery line is the ECOGLASS optical sorter model SG1500F, which classifies and separates the different types of glass by colour (VIS) automatically. This particular model has a width of 1500 mm and is capable of separating materials between 10 and 60 mm. It also detects the content of lead, ferric and non-ferric metals in the glass.
This new line represents a new success of the collaboration between Calaf Constructora and PICVISA, fulfilling all the requirements, specifications and timings. Besides allowing greater recycling and better waste management, the client has seen its profitability increased and the quality of its services improved — a success for all!
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