Sectoral Social Dialogue Committee "Tanning & Leather” Plenary meeting, 23 November 2016 Green Leather Industry For the Environment (greenLIFE) Presentation of the project Guido Zilli (Dani Spa) Paolo Gurisatti (Stazione Sperimentale Industria delle Pelli)
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Sectoral Social Dialogue Committee "Tanning & Leather”Plenary meeting, 23 November 2016
Green Leather Industry For the Environment (greenLIFE)
Presentation of the project
Guido Zilli (Dani Spa)
Paolo Gurisatti (Stazione Sperimentale Industria delle Pelli)
WasteUseProductionRaw
materials
GreenLIFE: a contribution to the transition from linear economy to circular economy
The circular economy model is a possible reference for a new industrial economy
The circular economy is "an industrial economy that is conceptually regenerative and reproduces nature in actively
improving and optimizing the systems through which work" (Ellen MacArthur Foundation, 2012). The material flows in
industrial processes through two cycles:
• biological, in which the materials are plans to make a safe return in the biosphere (land, water, atmosphere)
• technical, where materials circulate remaining able to meet the high-level processes with quality and without impacting the
biosphere
TITLE Green Leather Industry For the Environment (greenLIFE)
TIMELINE 36 month (01/06/2014 – 31/05/2017)
BUDGET Budget: 2.260.000 € / European Union grant: 1.120.000 €
GOALS
• 20% reduction in water consumption in the beamhouse stage
• 20% decrease in chemicals used in the beamhouse stage
• 20% reduction in solid waste
• 15% recovery and re-use of by-products with industrial value
• a new knowledge hub to share ideas and technologies
Chemicals
supplier
Partnership structure
• A “supply chain” approach (beyond company gates), with strong
territorial roots
• Involvement of partners with different institutional functions
• Cooperation between competing companies
Tanneries
Fertilizersproducer
Wastewatertreatment
plant
Development of new liming processesResearch line n. 1
• Oxidative liming process
• Liming process with recovery and re-use of liming baths
• Enzymatic liming process
Development of a new tanning processResearch line n. 2
Research activities / 1
• Studying of a new organic-based tanning agent
• Testing to experimental and semi-industrial scale of the new organic-based product
Recovery and re-use of tannery and liming process by-productsResearch line n. 3
• Collection of process by-products
• Treatment or by products and experimentation of a new re-use technology
Water treatment system and new technology: potential impact assessmentResearch line n. 4
• Current water treatment district system
• Liming baths and characterisation of processing by-products
• Assessment of the new technology and potential impact on the water treatment Tannery District system
Environmental and social impact assessmentResearch line n. 5
Research activities / 2
Environmental and social impact assessment
• Environmental impact: data collection, analysis and perspective
• Socio-economic impact: data collection, analysis and perspective
Renewable
resources
Production of a new
tanning-agent
Soaking
Liming Water recovery / reuse
Hair recovery
Bath recovery
1
2
3
TanningBath recovery
Shavings recovery
Production of
new fertilizers
Some elements of a circular flows
Benefits of the oxidative process
• Production of by-products not contaminated by sulfide (fleshing, sludge)
• Elimination of sulfides / sulfates in wastewater to be treated
Oxidative liming / 1
• Oxidative hair removal
• Oxidative hair removal + bath recovery and reuse
• Reduction of water consumption
• Elimination of treatment systems for the removal of hydrogen sulfide
• Improving the environmental impact outside of the tannery
• Applicability in industrial scale as it has a similar configuration to the present one
• Process times comparable with those of the traditional one
• Production of finished leather which presents less smell