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Gent Klimaatdag - 20/04/2017
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1. PROJECT
Public-Private Partnership sogent – City of Ghent + Schipperskaai Development cvba
Public-Private Partnership
Schipperskaai Development cvba 3
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1. PROJECT - Algemeen
Private partner
Schipperskaai Development cvba 4
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51500 m² vloeroppervlakte – ca 400 woonunits + buurtondersteunende functies – eerste bewoning vanaf eind 2019
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Circular System on District Level
Biogas
Struvite (=nutrients)
Kitchen Waste & Waste Water
Re-usable water > 30 000 m³/year
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2. ZAWENT & CIRCULAR ECONOMY
ZAWENT?
ZAWENT = zero afvalwater, energie- en nutriëntenterugwinning (Dutch term)
Zero waste, energy and nutrients recovery MULTIPLE CONNECTED LOOPS
Schipperskaai Development cvba 7
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ZAWENT?
Schipperskaai Development cvba 8
TRADITIONAL: long almost linear chains
ZAWENT: short circular chains • Closed water cycle • Closed energy cycle • Closed nutrients cycle
2. ZAWENT & CIRCULAR ECONOMY
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INTERNAL INPUT KITCHEN WASTE
REDUCING CONSUMPTION AND SOURCE SEPARATION
WATER
‘GREY’ WASTE WATER ‘BLACK’ WASTE WATER
VACUUM TOILET • 1,2l water/flush • Use from 16 to 2 m³/p/y • Saving 34 m³ water/family/y
ZAWENT EXPLAINED
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INTERNAL INPUT KITCHEN WASTE
WATER
‘BLACK’ WASTE WATER ‘GREY’ WASTE WATER
ANAEROBIC DIGESTER LOCAL PROCESS
SLUDGE
WASTE WATER
AEROBIC WATER TREATMENT
ZAWENT EXPLAINED
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INTERNAL INPUT KITCHEN WASTE
WATER
‘BLACK’ WASTE WATER ‘GREY’ WASTE WATER
ANAEROBIC DIGESTER LOCAL PROCESS AEROBIC WATER TREATMENT
OUTPUT BIOGAS
ZAWENT EXPLAINED
STRUVITE
• Rich in phosphorus and nitrogen • Slow fertilizer
EFFLUENT WATER
• > 30 000 m³/year available • Profit: > 30 000 m³/year less drinking water consumption
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INTERNAL INPUT KITCHEN WASTE
WATER
‘BLACK’ WASTE WATER ‘GREY’ WASTE WATER
ANAEROBIC DIGESTER LOCAL PROCESS AEROBIC WATER TREATMENT
OUTPUT EFFLUENT WATER STRUVITE BIOGAS
ZAWENT EXPLAINED
RE-USE
COGENERATION (HEAT AND POWER)
GREEN ELECTRICITY GREEN HEAT
DEMINERALISED WATER
NEIGHBOURING COMPANY GREEN AREAS
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INTERNAL INPUT KITCHEN WASTE
WATER
‘BLACK’ WASTE WATER ‘GREY’ WASTE WATER
ANAEROBIC DIGESTER LOCAL PROCESS AEROBIC DIGESTER
OUTPUT EFFLUENT WATER STRUVITE BIOGAS
ZAWENT EXPLAINED
RE-USE
COGENERATION
GREEN POWER GREEN HEAT GREEN AREAS
DEMINERALISED WATER
NEIGHBOURING COMPANY
HEATING NETWORK
DELIVERING WASTE HEAT HEATING NETWORK
DISTRIBUTION TO HOUSEHOLDS
HEAT RECOVERY
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2. TECHNOLOGIE & INNOVATIE - Zawent
ZAWENT EN FOSSIELE BRONNEN
Fossiele bronnen
Schipperskaai Development cvba
… enkel in inloopfase en als back-up
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Collaboration
Waste Heat Clear Water
for re-use
District Heating System
Soap Factory Christeyns
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ZAWENT I BUSINESS MODEL INNOVATION
Sustainability Service Company DuCoop cvba (cooperation)
Schipperskaai Development cvba
Implementation of a new technology requires a new business model DuCoop = ESCO (Energy Service Company) with extended scope
Impact Capital (=also aiming social & environmental return): Clean Energy Innovative Projects (Peter De Smet), OYA Seed, Human Capital, Trivident
Farys Solar Citizen participation (EnerGent, …)
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Mobility as a Service Sustainability & Affordability
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Innovatief gedeeld parkeren
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Leo Van Broeck, Vlaamse Bouwmeester: “De Vlaming moet de pretfactor van het wonen in de stad herontdekken”
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Verdere info
• www.denieuwedokken.be
• Onze facebook pagina “De Nieuwe Dokken”
• www.ducoop.be