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What to do with millions of tons of demolition debris in Greater Paris?

One of the answers is provided by the French construction company Eurovia with its subsidiaries SPL - the recycling center and SEG - the asphalt plant in Gennevilliers, 11 km outside the center of Paris. Eurovia's core business focuses on the design, construction and maintenance of infrastructure and employs more than 43,000 people in 16 countries. Sustainability is a very important topic for the road construction giant, and so they invest a lot in the recycling and processing of construction waste.

R1100S Prallbrecher Asphalt Recycling in Paris

R1100S mobile impact crusher recycles large quantities of demolition debris due to Supermétro

The new Grand Paris Express is a mega-project in the French capital, tunnel boring machines are pumping up massive amounts of earth and rock, and the rubble from old buildings has to be processed. New metro stations and shops are being built, the city does not stand still. To conserve natural resources and create an efficient material cycle, gravel, construction waste and asphalt are recycled with a compact crusher from Rockster, the Track-Mounted Impact Crusher R1100S and, for the most part, immediately reused.

Asphalt-Recycling at the port of Gennevilliers on theSeine

On an area of 7 hectares, this crushing plant produced 250,000 tons of new materials in one year, reused in new locations: "Sand and gravel of various sizes will be used in layers for new sidewalks," explains Christophe Jozon, Chairman of the Board Unicem (National Association of Quarry and Building Materials Industries). Old road material and concrete demolition are used in construction or in asphalt production. "I produce 250,000 tonnes of asphalt per year, in which I use about 20% recycled asphalt," explains Jean-Luc Bourges, Operations Manager of the Asphalt plan SEG in Ile-de-France.

Mobile impactor crushes Asphalt in Paris

Recycling requirements even exceeded

Unicem is not concerned about the amount of building waste that needs to be recycled or used in the Greater Paris area. "We have 13 sites like this one in Ile-de-France, where we recycle waste from construction," explains Christophe Jozon. The loamy soil, which we can not recycle, is used to repair our quarries. "The union is already pleased with the results: in 2018, it surpassed the state's contracted target of 70% of the construction waste recycled in France, of which a total of 211 million, 148 million tonnes are recycled per year," at 80%, considering only the recyclable materials," says Christophe Jozon. "Our goal is to reach 90% over the next three years." 

Original Press Report, LeParisien 2. June 2019

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