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Speaker Logo
“How to stimulate secondary raw material markets in the cement production”
ING. MASSIMO GIACCARISesto Campano’s Plant Director - Colacem S.p.A.
20/21 March 2018/ 3rd Interregional Workshop
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Colacem: who we are
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Colacem worldwide
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Colacem in Italy
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What is cement?
LimestoneClinker
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Limestone
ClayGypsum
AdditivesCEMENT
Clinker
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The production process
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How to reduce environmental impact
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Environmental Restoration Monte Castellone Quarry – Ciorlano (CE)
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The use of some natural resources is still necessar y
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Replacement of natural raw materials
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• Natural resources protection • NO landfills
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Chemical Gypsum
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• Origin: thermo-electric power stations fume desulphurization process
• Replaces: natural gypsum
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Bottom ash
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• Origin: biomass combustion process and waste incineration
• Replaces: clay, for its silica, aluminum and iron content
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Flying ash
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• Origin: power plants hard coal combustion process• Replaces: natural pozzolana
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Mill scales
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• Origin: iron rolling process • Replace: clay, for the iron oxides content
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Spent foundry sands
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Origin: foundries melting processReplace: natural sand
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Sludge and dust deriving from stone, marble and slate processing
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Origin: marble extraction and cutting processReplace: limestone
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Excavated soil and rock
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Origin: earth moving works or excavations Replace: limestone and clay
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CSS: waste used as fuel
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Origin: downstream portion of SUW separate collection Replaces: fossil fuels
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CSS: we are ranked amongst the worst performers in Europe
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Material recovery in Sesto Campano
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2016 data
• 4 % replacement of natural raw materials
• 25 % replacement of fossil fuels
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More should need to be done
Goals are clear, technologies are very advanced, laws have been enforced, but…
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What else shall we do ?
Training Information
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Sustainability-oriented culture Media
Public Institutions
PublicOpinion
Science NO Fake News
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Project smedia
Thanks for the attention …
ING. MASSIMO GIACCARISesto Campano’s Plant Director - Colacem S.p.A.