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Suiker Unie Green Energy
4 december 2014
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2
subjects:
•Introduction Cosun – Suiker Unie
•Production of Green Gas
•Distribution of Green Gas
•Digestate
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•Coöperatie Royal COSUN (1899)
•9380 beet growers = member of coöp. (=owner)
•3470 employees
•Turnover (2013): € 2.16 miljard
•Create value out of our feed stock (sugar beet)
Royal Cosun
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Suiker Unie
4
5-12-
2014 /
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Duynie - Beuker
5
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Suiker Unie manufacturing footprint
Suiker Unie )
•Turnover (2013): € 1003 miljoen
•813 employees
•Central office Dinteloord
•2 beet sugar beet fact
•2 specialities factory’s
Suiker Unie Green Energy
•2 green gas plants
sugar factory
green gas plant
specialty sugar prod fact.
sugar terminal
Vierverlaten
Puttershoek
Roosendaal
Dinteloord
Eemshaven
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ca 200 ha beet
Dinteloord
Vierverlaten
Appeldorn
Jülich
Dinteloord
Vierverlaten
Contract proc.
Ca. 75.000 ha sugar beet
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Production out of 2.5 million ton beets (one sugar factory)
Organic residues
Pressed pulp:
Pulp pellets:
Production
Volumes
(2010)
85.000 ton
65.000 ton
Pressed pulp:
Pulp pellets:
350.000 ton
30.000 ton
70.000 ton
100.000 ton
380.000 ton
300.000 ton
Production
Volumes
(2010)
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Integration essential
Sugar –
logistics
Cane
sugar
Cultivation
Sugar beet
Harvesting
Beet
logistics
Processing
Products sugar
molasse
beetpulp
Storage of
biomass
Digester Green
Gas
bioraffinage
Green chemicals
Fiber
Arabinose
Etc.
Rest Products
Company fleed!
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Green Gas Production Suiker Unie
Dinteloord
Groningen
Anklam
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Digester Plant Design
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Design Parameters (1)
•Proven technique/technology (simple and robuste)
•Operation during day-time and year around
• 4 operators
•100.000 t/a biomass
•4 digester tanks
•1 2e digester
•16 milj nm3/a biogas 10 milj nm3/a green gas
• Subsidy for Production of sustainable energy: SDE-
subsidie op 9 milj nm3
• Digestate: processed to organic fertilizer
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Design Parameters (2)
•Proven technique/technology (simple and robuste)
• Low E-energy consumption
• Low heat losses
• No additives unless …..
• Take enough time, look around en make up
your mind, because it’s your money:
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16
Digestion: revenu’s
•SDE green gas
• Commodity price for natural gas
• subsidy
•Green Gas Certificates (Vertogas)
• Supply chain feedstock and origin
• Traceability
• Mass balance = energy value
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Biomass 100 % vegetable origine !
•Restproduct from Processing of Sugar Beet
• Beet tails –leafs
• Pressed pulp: surpluss production
•Divers:
• Potato industry
• Food industry
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Feedstock Digester divers
Quality Requirements Feedstock
•Fertilizer Legislation
• Digetate: Fertilizer yes/no
•SDE: sustainability:
• Categorie overige vergisting
•Vertogas: • Biomass balance
• Biomass energy to the grid
•NTA 8080
•Gas Quality Green Gas
(fe Wobbe-control only by CO2)
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19
Gas Distribution
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20
Situation Suiker Unie
DigesterGas upgrading
compressor
Ga
s G
rid N
atio
na
l 40
ba
r
Gas Grid regional = 8 bar
?
?
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21
Situation Groningen
GOS Suiker Unie
GOS A
GOS 3
GOS 1 GOS 2
GOS 4
Gasexpander
Regional grid
“ring” Groningen
Suiker Unie
Gro
en
ga
s
Regional Grid
Hoogkerk
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22
Capacity gas grid “ring” Groningen consumption (till 2009)
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A Solution Green Gas Hub
National Grid – 40 bar
Digester Suiker Unie
Regional Grid
overflow
GOS
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Green Gas Hub
From Idea to development of the Green Gas Hub:
Participants:
•Energy Valley
•Enexis
•Koers Noord- programm
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25
Digestate
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Digestate (1)
Per module 100.000 ton/a
• 80.000 ton liquid fraction
• 10.000 ton cake
• Centrate
• Water purification
• Concentrate (NPK; 12,5,5)
Composition of Digetate:
• Fiber (organic matter)
• K, Na, P,N
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Digestate treatment
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Dekanter Centrifugal
evaporator
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• Operation Until now: (1)
•Feedstock: purchasing certified products: (professional
suppliers)
•Operation;
• Staff is ok
• Biology no problem
• Maintanance: 2.5%
•Digestate:
• Higher costs: flocculant and maintanance dekanter
(=feedstock)
• Market: constant quality
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Design Parameters (2)
•Proven technique/technology (simple and robuste)
• Low E-energy consumption
• Low heat losses
• No additives unless …..
• Take enough time, look around en make up your mind,
because it’s your money:
29
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• Operation Until now: (2)
• Green Gas:
• Advancing insights Grid Opererators
• New spec’s (fi Wobbe) extra investment
• Feed-in fee (interpretation of code; one direction)
• High costs on Gatekeeper (GC)
• Learning curve on Gasupgrading (2 years)
• Neighbours:
• local residents are becoming increasingly critical
• Despite of informing people,
• Biogas sector reputation
• NIMBY
• The Alternative which not excisting is favorit
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Other;
•Biogasinstallations on industrial area?
• Scale
• No “neighbours”
•Which scale is optimal?
•Gas or E?
•CO2 as product?
•BioLNG?
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Green Gas production
Suiker Unie Green Energy
Questions?
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