13.30 Etienne Jeoffroy - FenX.pdf

1、2024 FenXImproving Building Material Recyclability using Mineral Waste12/2024The example of an insulation startupDr.Etienne Jeoffroy2024 FenX2Construction is failing to keep pace with the environmental challenges*ec.europa.eu,*McKinsey Report-Seizing the decarbonization opportunity in construction,J

2、uly 2021The share of global energy consumption from buildings*The share of worldwide CO2emissions from buildings*We build the equivalent of 1 New York City every month%4036%1 NYC2.Building as one of the main drivers for climate change1.Continuously growing demand for construction2024 FenX3Circular E

3、conomy in Construction AssemblyDisassemblyGuggenheim Museum,BilbaoBlur expo02,Yverdon-les-BainsMarkthal,RotterdamMAXXI,RomeBuildings are patchy compositesNailsConcreteWoodGlassGypsumPlasticCork2024 FenX5The example of insulation2024 FenX6Material families in a building faadeplasterProblemsProblemsLa

4、ck of reversed logistics Contaminations(e.g.bituminous glues,HBCD)Recycling in Construction is too costly(logistics+contamination between materials)confidentialThe current share of insulation materials recycled in Switzerland*1.5%2024 FenX8Strategy for impact reduction:the example of Swiss insulatio

5、n Wiprchtiger et al.,Resources,conservation&recycling,2020BaselineIncreased recycling scenario10%60%-30%GHGScrewing vs gluingSelective deconstruction2024 FenX9Strategy for impact reduction:the example of Swiss insulation Wiprchtiger et al.,Resources,conservation&recycling,2020ABaselineBA+BIncreasing

6、 recycling rates+use low-carbon materials could reduce Swiss CO2 emissions by 44%by 20502024 FenX10New construction materials must be low-carbon+”easy-to-recycle”2024 FenX-confidentialOur ApproachMineral foamsDevelopment of ultra-light mineral foamsUsing mineral wasteExcavated materialsConstruction