The need for sinks in modern waste management systems · 2016-12-07 · [Mio. m3(fest)/a] Kiesabbau...
Transcript of The need for sinks in modern waste management systems · 2016-12-07 · [Mio. m3(fest)/a] Kiesabbau...
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The need for sinksin modern waste management systems
U. Kral, P. H. Brunner, D. Vyzinkarova,F. Adam, B. Stäubli, L.-S. Morf, E. Kuhn
22nd November 2016Linnaeus Eco-Tech 2016; Kalmar, Sweden
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The need for sinks
Final sinksEmissions
WasteMaterial cycle
Production & Use phase
Intermediate sinks
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Sinks are available …
© Adam Nieman© Johann Fellner© http://evac.com
Environmental compartments
e.g. Landfills
… but limited in capacity.
e.g. Thermal treatment
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How do design thewaste management system
with respect tolimited sink capacities?
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Research questions
Analysis Which sinks are available and what’s their load?
Evaluation Are the sinks overloaded now or in the future?
Design How to overcome potenial capacity limits?
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Framework
4. Indicatorω = Actual flows / Critical flows
2b. Evaluation criteria
Sinksfor waste and
emission flows
3. Critical Flows
Analysis
Evaluation
Sourceof waste and
emission flows
2a. Goals
Sink loads
1. Actual flows
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Evaluation
[t/a] Flow Critical[t/a] Flow Actual
=ω
0
1
0,8
Indicator ω
Critical range
Noncritical range
Sub-critical range
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Case study
http://www.deutsche-schutzgebiete.de/webpages/Kanton_Zuerich_Karte_1914_XX.gif
Sinks
Sinks
Sources
Sources
http://www.swiss-minergy.ch/index.asp?mode=showmapkanton&id=1
Imported waste
Waste, sewage, emissions
Exported waste
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The need for sinks
Sinks
Sinks
Sources
Sources
http://www.swiss-minergy.ch/index.asp?mode=showmapkanton&id=1
Per Capita & year
10 t solid waste4 t off-gas
6.5 kg Copper2.8 kg Zinc
0.1 kg PAH
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Bulk level
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Material flow analysis
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Clean soil into appropiate sinks
Gravelpits
Gravelpits
Sources
http://www.swiss-minergy.ch/index.asp?mode=showmapkanton&id=1
Clean soil
Clean soil
Picture taken from http://www.eberhard.ch
ω = 0.8
ω = ∞
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Planning of sink capacities
0
1
2
3
4
5
0
1
2
3
4
5
6
7
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
Volu
men
[Mio
. m3]
Kies
-bzw
. Aus
hubv
olum
ina
[Mio
. m3(
fest
)/a]
Kiesabbau im Kt. ZH = frei werdendes Volumen, dass für die Ablagerung von Aushub zu Verfügung steht [Mio. m3/a]
Aushubanfall, der derzeit in Kiesgruben im Kt. ZH und im ausserkantonalen Bereich abgelagert wird [Mio m3/a]
Ausub, der in Kiesgruben im Kt. ZH abgelagert werden kann [Mio m3/a]
Überschuss an Aushub, der nicht in Kiesgruben im Kt. ZH abgelagert werden kann [Mio. m3]
Freies Restvolumen in Kiesgruben im Kt. ZH (Startwert 2013: Auffüllbares, offenes Volumen ohne den Grubenbetrieb zu behindern) [Mio. m3]
Excess until 2035~ 30 Mio. m3
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Zinc
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Zinc flow analysis
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Flows
Sinks
Indicator
Critical range
-1
0
1
2
3
4
5
6
7
8
Min
eral
düng
er
Gül
le &
Gär
gut (
flüss
ig),
Kom
post
& G
ärgu
t (fe
st)
Hofd
ünge
r
Verw
erte
tes A
ushu
b/Bo
denm
ater
ial f
ür…
Verw
erte
ter B
oden
aush
ub v
or O
rt
Verw
erte
tes B
oden
mat
eria
l inn
erha
lb B
auzo
nen
Ger
eini
gtes
Abw
asse
r
Entla
stun
gsvo
lum
en a
us d
er M
ischw
asse
rkan
alisa
tion
Rege
nwas
sere
inle
itung
vom
Tre
nnsy
stem
Filte
rasc
hen
und
WRR
-Rüc
kstä
nde
KVA
in a
kB
Expo
rtie
rte
und
depo
nier
te R
ückb
aust
offe
Ents
orgt
e Al
tlast
en in
ak
Depo
nien
Rück
stän
de d
er S
epar
atab
falla
ufbe
reitu
ng in
ak…
KVA
Filte
rasc
hen
und
WRR
-Rüc
kstä
nde
akB
Rück
baus
toffe
I
Altla
sten
I
Altla
sten
II
Rück
stän
de In
dust
rie II
I
Rück
baus
toffe
II
Verf
estig
te R
ücks
tänd
e, Ü
brig
es I
Altla
sten
IV
Rück
stän
de In
dust
rie II
Depo
nier
te S
chla
cke
im ik
B
Verf
estig
te R
ücks
tänd
e, Ü
brig
es II
I
Impo
rtie
rte
Schl
acke
Filte
rasc
hen
und
WRR
-Rüc
kstä
nde
KVA
in U
TD
Ents
orgt
er A
ushu
b im
ikB
Ents
orgt
er A
ushu
b im
akB
Boden Gewässer inkl.Sedimente
Deponien (akB) Deponien (ikB) UTD Kiesgruben
APC Residues
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Zinc flow analysis Intervention Point
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Zinc flows
Status-quo
Scenario
870
IncreasingRecycling 870
DecreasingLandfilling
Incineration Transport
Stabilization
Treatment & Recovery
Landfill
Underground storage
APC ResiduesInput
Recovered Zinc fraction
Bottom ash
Off-Gas
APC Residues
System boundary: “Treatment and recovery of municipal solid waste in the Canton Zürich, 2013”
Flows [t/yr]Stock [t]
870
Incineration Transport
Stabilization
Treatment & Recovery
Landfill
Underground storage
APC ResiduesInput
Recovered Zinc fraction
Bottom ash
Off-Gas
APC Residues
System boundary: “Treatment and recovery of municipal solid waste in the Canton Zürich, 2013”
Flows [t/yr]Stock [t]
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Zinc recovery in practice
Pictures taken from http://www.kebag.ch
Zn Recovery(FLUREC process)
MSW
Fly ash
Zinc
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PAHPolycyclic Aromatic Hydrocarbons
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PAH flow analysis
Picture taken from http://www.graeperbau.de/strassenbau.html
New quality standardsfor recycling and disposal
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Status quo
52% recycling rate
0% destruction rate
System boundary: “Waste management system, 2013”
Flows: t/yrStocks: t
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Scenario
20% recycling rate
80% destruction rate
System boundary: “Waste management system, 2013”
Flows: t/yrStocks: t
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Strategy for PAH
Recycling rate52% 20%
Destruction rate0% 80%
Clean cycles and safe final sinks
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Summary and Conclusions
• Need for sinks.
• Recycling products are appropriate sinks for quality proven material.
• Thermal treatment gains importance as
• final sink for organic substances (PAH)
• recovery process for valuable material (Zn).
• Landfill and gravel pits
• are still needed (e.g. C&D waste and excavated clean soil).
• become less importance (for e.g. PAH, Zn).
• Underground storage is still needed, but is of less importance (Zn)
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Summary and Conclusions
• Waste sector plays a key rolefor the utilization of man-made sinks and protection of natural sinks.
• Long-term planning of appropriate sink capacities effectsthe control of waste flows and the design of recycling and disposal technologies.
• The indicator is a measure for the performance of waste management system with respect to limited sink capacities and supports monitoring and a reporting.
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Further reading
http://www.awel.zh.ch/internet/baudirektion/awel/de/abfall_rohstoffe_altlasten/zahlen_und_fakten/senkenbetrachtungen.html
Report
ArticlesU. Kral, P.H. Brunner, P.-C. Chen, S.-R. Chen: "Sinks as limited resources? - A new indicator for evaluating anthropogenic material flows"; Ecological Indicators, 46 (2014), S. 596 - 609.
U. Kral, K. Kellner, P.H. Brunner: "Sustainable resource use requires "clean cycles" and safe "final sinks""; Science of the Total Environment, 461-462 (2013), S. 819 - 822.
Protection and utilization of sinks by Zürichswaste and resource management
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Project members
Franz AdamElmar KuhnLeo MorfBeat StäubliChristian Sieber
Project members
Paul H. BrunnerUlrich KralDana Vyzinkarova
Acknowledgment
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Welchen Nutzen hat der Indikator?
END