JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 38
burden of an equivalent quantity of French
electricity production.
The results of this sensitivity analysis are
shown in Fig. 6.
As for the materials recovery scenario, most
environmental indicators show a slight
decrease compared to the baseline end-oflife scenario. In fact, the burden avoided by
reducing the primary production of gravel is
insignificant.
Fig. 5: Contribution of the construction stage to impact categories
ments.
The environmental burden of the dismantling stage is low: 0.2-1.1% of the whole life
cycle impact. It should be noted that regarding the land transformation indicator, the
dismantling stage accounts for -34% because
the tower is made of concrete (Fig. 2 and
Fig. 3). This negative value can be considered as an environmental benefit given that
the landfill site is converted into forest land
after its closure.
paving, composite boards for the building
sector, insulation materials, reinforcement
materials for thermoplastic materials, etc.
This scenario takes into account the impacts
resulting from the grinding process and gives
"credit" for the burden avoided by reducing
the primary production of gravel.
- Scenario 3: energy recovery from high
calorific value waste. This scenario takes into
account the burden resulting from blade
incineration, giving "credit" for the avoided
Regarding blade incineration in the energy
recovery scenario, beneficial effects can be
observed for 7 of the 9 impact indicators,
especially for the cumulative energy demand
category. In fact, the incineration of waste
avoids the production of a certain amount
of energy.
The impacts of this energy were counted as
negative values considering that incineration makes a "profit" in the overall balance.
However, the greenhouse effect is four times
higher than the baseline scenario due to the
greenhouse gas emitted during the incineration.
Sensitivity analysis
Sensitivity analysis is a systematic procedure
for estimating the effects of the chosen
methods and data on the outcome of a
study.
Two sensitivity analyses were performed,
varying two key parameters: the end-of-life
scenario for the composite blades and the
lifetime period.
Varying the blade end-of-life scenario
The analysis carried out in this section
explores the impacts of different end-of-life
scenarios for composite blades:
- Scenario 1: landfilling. This scenario
considers the impacts resulting from landfilling of the components. This is the baseline
scenario.
- Scenario 2: material recovery using a fine
grinding process (from a few mm to 15
mm). The ground material can be reused for
different purposes: paving concrete, road
Fig. 6: Compared effects of different end-of-life scenarios for composite blades
38 jec composites magazine / No90 June - July 2014
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014
Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014
Cover
Edito
Point of view: recycling & second life
Contents
COMPANY & BUSINESS In Brief
Recycling
Agenda of Events
APPLICATIONS
Bike
Bridge
MARKET
Thermoset resins
Germany
Carbon
FEATURE WIND ENERGY
Project
SWT
Epoxy
Flax
RTM
Process
Sustainability
LCA
RESEARCH & DEVELOPMENT
Infusion
Toughening
Damage
TECHNOLOGY & INNOVATIONS
CMC
Laser projection
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Cover
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 2
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Edito
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Point of view: recycling & second life
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 5
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Contents
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 7
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - COMPANY & BUSINESS In Brief
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 9
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Recycling
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 11
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Ad1
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Ad2
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 13
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Bike
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 15
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Bridge
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Thermoset resins
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 18
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Germany
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Carbon
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 21
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Project
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - SWT
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 24
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 25
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Epoxy
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Flax
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - RTM
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 29
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Process
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 31
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 32
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Sustainability
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 34
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - LCA
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 36
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 37
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 38
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 39
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 40
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Infusion
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 42
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 43
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 44
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Toughening
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 46
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 47
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Damage
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 49
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 50
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 51
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 52
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - CMC
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 54
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Laser projection
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 56
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - Index
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - In the world
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 59
JEC COMPOSITES MAGAZINE - Issue #90 - June/July 2014 - 60
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