Page 25 - European Energy Innovation - autumn 2019 publication
P. 25
Autumn 2019 European Energy Innovation 25
COMMUNICATION
Dall Energy to supply turnkey
boiler island for Dalkia in France
Dall Energy has developed a new, Energy for the city of Rouen in France.
disruptive biomass furnace that
reduces dust and particle emissions The new heating plant in Rouen is
by more than 90% and can easily based on the Dall Energy gasification
meet the demands in the new technology in order to comply with
directive, and offer a whole new the city’s requirement for reducing its
set of other benefits to outperform environmental footprint.
current state-of-the-art, the well-
known grate combustion technology: Dalkia’s selection of Dall Energy´s Thus the new heat plant needs
technology was based on two to be able to respond and adjust
• Lower investment (much simpler main reasons; Firstly the patented accordingly to fluctuating daily heat
design with very few moving parts) gasification system allows for a demands on network.
cleaner combustion ensuring air
• Lower maintenance costs (no emissions to be significantly lower Construction underway
technical difficulties, low power than what can be obtained with The fifth biomass gasification
consumption) traditional grate incineration system. plant project for Dall Energy, the
Also, the furnace design contains Rouen plant will be the largest of
• Very wide load window (fast and no moving mechanical parts its kind to date. The company has
easy modulation between 10 and which limits the extend of previously built and commissioned
100% load without problems) maintenance works over the three biomass gasification plants
lifetime of the plant. in Denmark and one in the United
• Reduction of fuel cost as the States in the range from 2 to 9 MWth.
technology is very fuel flexible, Support from Horizon 2020
enabling conversion of a wide Dall Energy have received a received The procurement and construction is
range of low-value fuels such funding from the European Union’s ongoing according to the project time
as wet and dry biomass, organic Horizon 2020 Research and schedule. The plant will be put into
waste streams, willow, pellets, etc. Innovation Programme under Grant operation in 2020. l
in the same furnace Agreement no. 811529, to upscale and
demonstrate their technology.
A new EU directive tightens emission
values, puts forward demands The plant will supply up to 17 MW of
for emissions monitoring. Today’s heat to the network and run for more
technologies cannot meet the than 7 000 operation hours per year.
demands set forth by the directive A seemingly straightforward demand,
by any other means than adding however, the constraint is that the
expensive emission reduction district heat network has no buffer
systems to their solutions. tanks for hot water storage.
The new directive will be a strong
driver for Dall Energy, as Dall Energy
technology meets these new
demands at no extra cost.
The low emissions and the fuel
flexibility was the main reasons why
Dalkia – a subsidiary of EDF the main
electricity company in France - in
2015 started to investigate the Dall
Energy Furnace.
After several meetings and a fuel
test of French fuel, Dalkia decided to
purchase a first Gasifier unit from Dall
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