Characterization of the fjne fraction of the Municipal Solid - PowerPoint PPT Presentation

HERAKLION2019 7 th International Conference on Sustainable Solid Waste Management Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA) focused in the metal recovery. Héctor Muñiz Sierra , Michal Šyc, Jakub Výravský

MUNICIPAL SOLID WASTE GENERATION 7 th International Conference on Sustainable Solid Waste Management WORLD EVOLUTION 2,20 Billion of tonnes (2025) 1,30 Billion of tonnes (2012) World Bank statics EU-28 Municipal Solid Waste Generation 250 200 Waste (Mkg) Waste Generation: +0,3% 150 100 Incineration Technology: +89,1% 50 0 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 9 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Incineration (+ Energy recovery) Municipal Solid Waste Generation Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

WASTE-TO-ENERGY PLANTS 7 th International Conference on Sustainable Solid Waste Management Incineration Fly Ash (IFA):  Light and/or fine particles.  Material mixture with an relatively high presence of chloride salts and heavy metals.  Control: Heavy metals leachability Incineration Bottom Ash (IBA): IBA; 25  Large and/or heavier particles.  Non-hazardous residue composed by a mix of IF A; 5 glass, minerals and metals. Fuel; 70 Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

INCINERATION BOTTOM ASH (IBA) 7 th International Conference on Sustainable Solid Waste Management IBA Fine Fraction, up to 2 millimeters, is 35% wt. of the total IBA Weight Composition WtE WtE WtE Prague Liberec Brno Glass 14-23 9-12 14,8 Ceramic and 2,0-5,0 2,0-3,0 3,6 Porcelain Unburned org. 0,2-0,6 0,5-1,0 0,2 Matter Particle size Fraction Magnetic fraction 11-16 14-17 10,2 <100µm 04,5% Ferrous scrap 8,5-10,5 6,0-7,0 11,0 100-500µm 43,5% Non-ferrous 1,6-2,2 1,3-1,5 2,8 500-1000µm 28,0% metals 1000-2000µm 23,0% Residual fraction 20-26 25-29 20,5 Particles < 2 mm 30-35 33-36 36,8 Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

IBA Fine Fraction < 2mm 7 th International Conference on Sustainable Solid Waste Management IBA Fine Fraction, up to 2 millimeters, is 35% wt. of the total IBA Weight Particle Fraction size <100µm 04,5% 100-500µm 43,5% 500- 28,0% 1000µm 1000- 24,0% SEPARATION FACTORS METAL RECOVERY: 2000µm 1. Amount of material  Aluminum ≈ 1,5g/kg 1840$/ton. 2. Metals grains: size and shape  Cupper ≈ 0,6g/kg 5860$/ton. 3. Liberation rate Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

INCINERATION BOTTOM ASH (IBA) 7 th International Conference on TIMA Analyzer: Sustainable Solid Waste Management TESCAN Integrated Mineral BSE & EDS analysis Analyzer (other tools) + TIMA Software Chemical analysis: Optical analysis: - - Elemental Particle/Grain size composition, (ECD) - Native metals, - Particle/Grain shape - - Mineral phases. Liberation rate 20 blocks < 0,5mm 34 blocks 0,5- 30m 2,0mm m Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

IBA fine fraction: Amount of pure metals 7 th International Conference on Sustainable Solid Waste Management Aluminum Copper Aluminum Copper Particle Grain Particle Grain Concentratio Concentratio s s s s n n (% wt. ) (% wt. ) (% wt. ) (% wt. ) (g/kg.) (g/kg.) < 100µm 1,63 4,5 12,1 0,62 4,88 14,55 100-500µm 1,28 34,25 43,1 0,50 37,95 42,15 500-1000µm 1,32 22,71 25,0 0,76 37,20 43,31 1000-2000µm 2,62 38,54 19,8 0,60 19,94 n.d weight 1,65 g/kg. 0,57 g/kg. Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

IBA fine fraction: Liberation and Shape 7 th International Conference on Sustainable Solid Waste Management Aluminum Copper 20% 50% 18% 45% 16% 40% 14% 35% IBA fraction IBA fraction 12% 30% 10% 25% 8% 20% 6% 15% 4% 10% 2% 5% 0% 0% 0/10 1/10 2/10 3/10 4/10 5/10 6/10 7/10 8/10 9/10 1 0/10 0/10 1/10 2/10 3/10 4/10 5/10 6/10 7/10 8/10 9/10 1 0/10 Comparison ratio Comparison ratio Liberation Ratio (vol.) Elipse ratio (wt.) Liberation Ratio (vol.) Ellipse ratio (wt.) Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

IBA fine fraction: RECOVERY TREATMENTS 7 th International Conference on Sustainable Solid Waste Management Milling/Liberation Pre-concentration Recovery Treatment < 100µm 100-500µm Electrostatic Separator Shaker Table 500-1000µm 1000-2000µm Eddy Current Separator Jigs Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA)

HERAKLION2019 7 th International Conference on Sustainable Solid Waste Management Characterization of the fjne fraction of the Municipal Solid Waste Incineration Bottom Ash (MSW IBA) focused in the metal recovery. THANK YOU FOR YOUR ATTENTION