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Gent Klimaatdag - 20/04/2017
2
1. PROJECT
Public-Private Partnership sogent – City of Ghent + Schipperskaai Development cvba
Public-Private Partnership
Schipperskaai Development cvba 3
1. PROJECT - Algemeen
Private partner
Schipperskaai Development cvba 4
51500 m² vloeroppervlakte – ca 400 woonunits + buurtondersteunende functies – eerste bewoning vanaf eind 2019
Circular System on District Level
Biogas
Struvite (=nutrients)
Kitchen Waste & Waste Water
Re-usable water > 30 000 m³/year
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
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
11
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
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
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
Innovatief gedeeld parkeren
Leo Van Broeck, Vlaamse Bouwmeester: “De Vlaming moet de pretfactor van het wonen in de stad herontdekken”
Verdere info
• www.denieuwedokken.be
• Onze facebook pagina “De Nieuwe Dokken”
• www.ducoop.be