powerpoint presentation · title: powerpoint presentation author: phunk created date: 11/5/2019...
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REEF2W –Increased renewable energy and energy efficiency by integrating, combining urban wastewater and organic waste management system
Implementation of carbon footprint in
the REEF 2W tool
Mehdi Habibi
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TAKING COOPERATION FORWARD 2
Environmental
Assessment (EA)
Implementing of
EA in REEF 2W
Selecting
Scenarios for
Berlin case study
Evaluation of
Global Warming
Potential for
Berlin case study
Conclusion
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TAKING COOPERATION FORWARD 3
Environmental Assessment
The environmental assessment is a procedure that ensures
that the environmental implications of decisions are taken
into account before the decisions are made
A suitable method to analyse the potential environmental
impacts Life Cycle Assessment (LCA, ISO 14040/44)• Takes into account direct and indirect emissions (e.g. from
electricity production in power plants)
• Internationally recognized for calculating carbon footprint
What is Environmental Assessment (EA)?
How can EA be realized?
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Implementing of EA
Software UMBERTO® NXT LCA – Mass and energy balance
Direct GHG emissions
Indirect GHG emissions
Indirect GHG emissions
GHG credits for
energy production
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Implementing of EA
GWP Factors used in REEF2W tool
LCA database ecoinvent v3.4 LCA studies and models of
previous research projects
• Calculation of global warming potential (GWP) for 100a (IPCC 2013)
as important environmental impact of energy systems
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TAKING COOPERATION FORWARD 6
Implementing of EA
Categories of GHG emissions
Two categories of GHG emissions are included in the
REEF 2W tool:
• GHG emissions associated with the use of energy carriers (e.g. grid
electricity, natural gas, heat, …)
• GHG emissions of other relevant processes such as disposal of
sludge, use of chemicals, or else.
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TAKING COOPERATION FORWARD 7
Implementing of EA
Calculation of GWP in REEF 2W tool
Example:
1 MWh/a x 1000 kWh/MWh x 0,69 kg CO2-eq/kWh = 690 kg CO2-eq/a
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TAKING COOPERATION FORWARD 8
Implementing of EA
Comparing status quo with REEF 2W scenario (= future)
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Implementing of EA
Comparing status quo with REEF 2W scenario (= future)
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TAKING COOPERATION FORWARD 10
Selecting Scenarios for Berlin case study
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Selecting Scenarios
Status Quo of Berlin WWTP
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TAKING COOPERATION FORWARD 12
Pilot Site in Berlin WWTP:
Scheme of the future scenarios
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Input data for scenarios in Berlin case study
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Results of Environmental Assessment for Berlin case study
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Assessment of the Global Warming Potential
Result
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Assessment of the Global Warming Potential
with electricity mix of 2014
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Assessment of the Global Warming Potential
with electricity mix of 2030
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Take Home Message:
• At the moment: no reduction of GWP, better to produce
electricity with CHP and substitute current power mix
with high GWP
• In the future: it can decrease the GWP if green
electricity is in the grid
Biogas upgrading and injection in the gas grid :
Power to Gas:
• It can decrease the GWP (if PtG uses excess renewable
electricity available in the grid)
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Name : Mehdi Habibi
Kompetenzzentrum Wasser Berlin gGmbH
Project Acronym: REEF2W
Uff. +49 (0) 30 53653 - 820
Fax +49 (0) 30 53653 - 888
www.kompetenz-wasser.de
Contact details
linkedIn.com/MehdiHabibi
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TAKING COOPERATION FORWARD 20
Partners
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TAKING COOPERATION FORWARD 21
Evaluation of Energy Balance