Jens Dall Bentzen

Dall Energy multi fuel furnace

1. Technology of the future

2. 20 års of R&D in 5 minuttes

Jens Dall Bentzen

Jens Dall Bentzen 2

950C c

750C Biomass is

converted to gas and ash

150C

Gas is burned

25C

Costumer benifits • Fuel flexibility • 95% less dust -> no

ESP/Cyclone/bagfilter • Stable operation • 10-100% load • Low maintenance costs • Low CO & NOx • Low noise • Low power consumption

Developed with support from EUDP & the Danish Agency for Science Technology and Innovation

Dall Energy multi fuel furnace

Hot flue gas with ultra low particle content

Jens Dall Bentzen

European Patent award 2011

Jens Dall Bentzen

Dall Energy Business model

Contractor

Sales

Installation

Service

Client

Dall Energy Jens Dall, Gert Bjørn, Paul Rietveld, Bjørn Teislev, Claus Geest, Jørgen Beck

Components from DBDH members

Dall Energy Furnace

Jens Dall Bentzen

Dall Energy Multi fuel furnace - Timeline

5

1995-1998

DTU Biomass R&D

1998-2007

COWI R&D + district heat

2008

Dall Energy founded

Spraying

Systems, USA

Investor & strategic partner

Jens Dall Bentzen

Dall Energy Multi fuel furnace - Timeline

6

2009/10

Process verification

2011/12

Furnace demonstration

2013/14

System demonstration

8 MW Furnace

Bogense heating

2 MW steam

USA

9 MW system

Sønderborg Fjernvarme

2 MW pilot

Jens Dall Bentzen

Stable operation

7

0

100

200

300

400

500

600

700

800

900

1000

28-04-11 12:00 29-04-11 00:00 29-04-11 12:00 30-04-11 00:00 30-04-11 12:00 01-05-11 00:00

Tem

pe

ratu

reo

ut

of

Furn

ace

(C

elc

ius)

Sønderborg

Bogense

Warwick Mills

Jens Dall Bentzen

Emissions No cyclone / ESP / bag filter

0

100

200

300

400

500

600

700

NOx CO Dust

mg/

Nm

3

Emissions from Dall Energy plants

Danish Limits

Bogense

Sønderborg

Warwick

Jens Dall Bentzen

Fuel flexibility

Fuel , Sønderborg 2015

Fuel samples, Bogense 2013

Jens Dall Bentzen

Thank you – any questions

Charlie Howland og Bolette Dall April 2015