Mate r ial Distr ibution in T r e ate d MSWI Bottom Ash F r - - PowerPoint PPT Presentation

Mate r ial Distr ibution in T r e ate d MSWI Bottom Ash F r ac tions

P.M.F . va n de Wo uw M.V.A. F lo re a H.J.H. Bro uwe rs

29/ 06/ 2016

Conte nt

• I

ntro duc tio n

– Munic ipa l So lid Wa ste I

nc ine ra tio n Bo tto m Ashe s (MSWI BA)

– Dutc h le g isla tio n

• Me tho do lo g y
• Re sults
• Co nc lusio n

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Munic ipal Solid Waste Inc ine r ation (MSWI)

• Vo lume re duc tio n: 90%
• Ma ss re duc tio n: 70%

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Bottom Ashe s (BA)

• 80 ma ss %

Delivery Chimney Waste gas cleaning Incineration/ Steam generator Pre‐treatment F ly Ashe s

• 20 ma ss %

Chimenos et al, 1999

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Munic ipal Solid Waste Inc ine r ation Bottom Ash (MSWI BA)

• Afte r pre -tre a tme nt
• Pro b le ma tic c o nta mina nts (So il Qua lity De c re e )
• Aluminum
• Ba rium
• Co ppe r
• Mo lyb de num
• Chlo ride s
• Sulpha te s

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Dutc h building mate r ial le gislation

• Sha pe d

– > 50 c m3 – Virtua lly no e ro sio n o r we a r

• Unsha pe d

– < 50 c m3 – No t susta ina b le rig id – L

imite d e missio n to the e nviro nme nt

• I

so la te d, c o ntro lle d & mo nito re d ma te ria ls

– Unsha pe d b uilding ma te ria ls – Hig h e missio ns to the e nviro nme nt

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Changing Dutc h le gislation: Gr e e n de al

• I

so la te d, c o ntro lle d & mo nito re d ma te ria ls

• 2020: 100% fre e ly a pplic a b le b uilding ma te ria l

– Sha pe d – Unsha pe d – I

so la te d, c o ntro lle d & mo nito re d ma te ria ls

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2016 2020 Today

2016 2017 2018 2019 2020

<50% 0%

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Munic ipal Solid Waste Inc ine r ation Bottom Ash (MSWI BA)

• Alte rna tive a pplic a tio ns a re ne e de d:

– Va st pro duc tio n q ua ntitie s, – L

imite d a pplic a tio n a s a ro a d b a se ma te ria l (Ne the rla nds),

– L

a ndfilling ta xe s,

– Stric te r le g isla tio n.

• BA ha s c o mpa ra b le pro pe rtie s to tho se o f ra w ma te ria ls

a pplie d in b uilding ma te ria ls

• BA ha s the po te ntia l to b e mo difie d to fit this a pplic a tio n.

Al-Ra wa s e t a l. 2005; Be rto lini e t a l. 2004; Sa ikia e t a l. 2008; de l Va lle -Ze rme ño e t a l. 2013; F lo re a 2016; Su e t a l. 2013; Ya ng , L ia o , a nd Wu 2012

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Me thodology

• Pa rtic le Size Distrib utio n

– Dry sie ving

• Ma nua lly so rting fra c tio ns

– Ba se d o n a ppe a ra nc e

• Spe c ific de nsity

– He pyc no me te r

• Wa te r pe rme a b le po ro sity

– Hydro sta tic we ig hing

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R e sults

• Pa rtic le size distrib utio n MSWI

BA 0-40 mm

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0% 20% 40% 60% 80% 100% 0% 20% 40% 60% 80% 100% 10 100 1000 10000 100000 Finers (vol. %) Cumulative finer (vol. %) Particle size (µm) BA 0‐40mm Cumulative BA 0‐40mm Sieve Fraction

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Minerals not extractable by magnet

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%)

MSWI BA fr ac tions >4 mm

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Metal Minerals Glass Ceramic & Stone Minerals extractable by magnet Unburned

Pa rtic le size (µm) mass % not extractable extractable

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Minerals not extractable by magnet MSWI BA fr ac tions >4 mm

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Metal Glass Ceramic & Stone Minerals extractable by magnet Unburned

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Unburned (m%) Ceramic and stone (m%) Glass (m%) Metals (m%) Minerals - High ferromagnetic (m%) Minerals - Low ferromagnetic (m%) Pa rtic le size (µm) mass %

MSWI BA fr ac tions >4 mm: por

• sity

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 4000 5600 8000 11200 16000 22400 Volume (%) Particle size (µm) Mineral - Not extractable Mineral - Extractable Glass Ceramic and stone Pores mineral - Not extractable Pores Mineral - Extractable Pores glass Pores ceramic and stone

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Par tic le size distr ibution of sor te d mate r ial fr ac tions

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0% 20% 40% 60% 80% 100% 0% 20% 40% 60% 80% 100% 4,0 32,0 Finers (vol. %) Cumulative finer (vol. %) Particle size (mm) Ceramic and stone Mineral ‐ Not extractable Glass Mineral ‐ Extractable Metal Unburned

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0% 20% 40% 60% 80% 100% 0% 20% 40% 60% 80% 100% 4,0 32,0 Finers (vol. %) Cumulative finers (vol. %) Particle size (mm) Ceramic and stone Mineral ‐ Not extractable Glass Mineral ‐ Extractable Metal Average Unburned

Por

• sity size distr

ibution of sor te d mate r ial fr ac tions

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Spe c ific de nsity of MSWI BA mate r ial fr ac tions > 4 mm

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R² = 0,9735 R² = 0,8507 R² = 0,9284 R² = 0,8733 2,2 2,4 2,6 2,8 3,0 3,2 3,4 4000 32000 Specific density (g/cm³) Particle size (µm) Ceramic and stone Glass Mineral ‐ Not extractable Mineral ‐ Extractable

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Conc lusions

• Co a rse a g g re g a te s re pla c e me nt is po ssib le whe n ta king

le g isla tio n into a c c o unt

• Hig he st po ro sity is pre se nt in e xtra c ta b le mine ra ls (5.8%) a nd

c e ra mic s a nd sto ne s (5.3%)

• With ma g ne tic se pa ra tio n:

– 70% o f the mine ra l fra c tio n is re mo va b le (32.5% o ve ra ll) – A c le a ne r mine ra l stre a m o f g la ss, c e ra mic s a nd sto ne s c a n

b e pro duc e d

– T

he o ve ra ll po ro sity o f the re ma ining BA is re duc e d

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T hank you for your atte ntion!

• Que stio ns, tho ug hts, ide a s…

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