BTL fuels: core of Volkswagen s fuel strategy and the RENEW … · 2018. 4. 17. · BTL fuels: core...

Group ResearchPowertrain

VOLKSWAGEN AG

BTL fuels: core of Volkswagen´s fuel strategy

and the RENEW project

Frank Seyfried/ Henning Nannen

International Freiberg Conference on IGCC & XtL Technologies, Freiberg, 16.06.2005


VOLKSWAGEN AG

Passenger Car Emissions in Germany

Source: IFEU (TREMOD)

kt/Jahr Mrd. km/Jahr

0

400

800

1200

1980 1990 2000 2010Jahr

200

400

600

COHC

NOx

CO2kilometres

treavelled

0


VOLKSWAGEN AG

cylinder number 4 4displacement 1,5 l 2,0 lpower 37 kW 103 kWrotational speed 5000 1/min 4200 1/minmaximum torque 84 Nm 320 Nmmaximum speed 140 km/h 203 km/h0 – 100 km/h 18 s 9,3 scurb weight 780 kg 1400 kgconsumption 6,5 l/100 km 5,5 l/100 km

Volkswagen Golf Diesel

First Diesel: Golf I 1976 Latest Diesel: Golf V 2003


VOLKSWAGEN AG

SynFuel®/SunFuel®

Natural Gas

SynFuel

Process scheme (simplyfied):

Gasyfier

O2

C- and H-carrier

Gascleaning

Synthesisgas(H2, CO, CO2)

Fischer-Tropsch-Synthesis

Upgrading SunFuel®

Biomass


VOLKSWAGEN AG

CO2 cycle with SunFuel

BiomassSunFuel

Synthesis


VOLKSWAGEN AG

Fleet Test Trial with GtL Berlin

NOx particulates·10 HC CO

0,1

0

0,2

0,3

emis

sion

s[g

/km

]

Diesel < 10ppm S

Shell GtL∆NOx= - 6,4% ∆Part. = - 26%

∆HC = - 63% ∆CO = - 91%

Limits EU 4

EU 4


VOLKSWAGEN AG

Combustion System Development

Petrol Engine

Diesel Engine

Combined Combustion System

swirl chamber

partial homogenized

high-pressure

injectiondirect

injection

portinjection

direct injectionwall guided

direct injectionspray guided

direct inje

ction

auto ignite

d

synthetic fuels

enable new optimize

combustion processes

l

combination of the emission

behavior of the petrol engine

with the excellent efficiency

of the diesel engine

l


VOLKSWAGEN AG

„heterogeneous“ combustion „partly homogenised“ combustion

Combined Combustion System


VOLKSWAGEN AG

CCS – Combined Combustion System:Soot – NOx Trade-off for Different Fuels

2300 1/min 140 Nm

0

0,2

0,4

0,6

0,8

1

1,2

0 50 100 150 200 250 300 350 400

NOx-emissions [g/h]

Sm

oke

num

ber

FS

N

dieselFT-kerosene L1n-heptane


VOLKSWAGEN AG

Volkswagen Fuel- and Powertrains Strategy

Diesel, Gasoline fossil Basis

Diesel, Gasoline fossil Basis

SynFuel GtL / CtLSynFuel GtL / CtL

SunFuel

renewableSunFuel

renewable

HydrogenrenewableHydrogenrenewable

TDI, FSI

CombinedCombustion

System Fuel CellHybrid,

TDI, TFSI


VOLKSWAGEN AG

Synthetic Fuels: Categories of Improvement

1. Direct improvement of local air quality by usage of synthetic fuels in existing vehicles based on the outstanding purity of the fuels

2. Reduction of global CO2-emissions if biomass is used as primary energy for synthetic fuels

3. Possibility to develop new combustion systems with widely improved characteristics based on the designability of synthetic fuels


VOLKSWAGEN AG

finance: budget 20 M€ funding 10 M€

duration: 4 years start: 01 / 2004

partners: 31 from 8 countries

core group: VW, DC, Renault, Volvo, Choren, Cutec, Chemrec, Abengoa, EC renewable energy

coordinator: Dr. Frank Seyfried, Volkswagen AG

renewable fuels for advanced powertrainsrenewable fuels for advanced powertrains

Key Data EU-project RENEW

www.renew-fuel.com


VOLKSWAGEN AG

Biomass

SunDiesel HCCI-fuel DME Ethanol

Gasification

Fuel Generation

Life

Cyc

le A

sses

smen

tB

ench

mar

k o

f kn

ow

n r

ou

tes

SynGas: CO + H2

Scope EU-project RENEW


VOLKSWAGEN AG

StructureO

PT

IMIS

ED

FU

ELS

for

new

dri

ve t

rain

sSP 1

OP

TIM

ISE

D P

RO

CE

SS

for

FT-

fuel

SP 2 SP 5

Op

tim

isat

ion

of

b

ioet

han

ol

pro

du

ctio

n

DM

E p

rod

uct

ion

fr

om

bla

ck li

qu

or

SP 3

Biomass and process assessment- biomass potential

- life-cycle assessment

- economical impact- suitability for ICEs

- production assessment

Training2 summer schools

SP 6

SP 4


VOLKSWAGEN AG

Potential in HCCI combustion (SP 1)

Preliminary Results about fuel effectsPreliminary Results about fuel effects

Influence of GTL fuels on Soot emissions

2,0 bar 2,4 bar 2,7 bar

Usual Diesel

GTL10

GTL20

Usual Diesel

GTL10

GTL20

Usual Diesel

GTL10

GTL20

0

0,5

1

1,5

2

2,5

3

3,5

5 6 7 8 9 10 11BMIP ( BarAbs )

So

ots

( F

SN

)

0

0,5

1

1,5

2

2,5

3

3,5

5 7 9 11 13BMIP ( BarAbs )

So

ots

( F

SN

)

0

0,5

1

1,5

2

2,5

3

3,5

5 7 9 11 13BMIP ( BarAbs )

So

ots

( F

SN

)

n = 3700 r.p.m.


VOLKSWAGEN AG

Güssing FT - Slurry Reactor (SP 2)

• Planning, construction engineering and build-up of Fischer Tropsch synthesisat existing plant in the first 18 months

• First fuel delivery planned for month 18

• Activities are according to plan


VOLKSWAGEN AG

Gasification Refinery

e.g. 200 MW - 1 GW

related to biomass

bio-mass

centralised

Pyrolysis

450°C

Straw

CharTwin screw reactor

Gas

Oil

Cooler

Vapours

Chopper

hot sand

helpio

Col

d st

raw

cho

ps

Fast Pyrolysis and Gasification (SP 2)


VOLKSWAGEN AG

Black Liquor Gasification (SP 3)

Forest

Pulp mill

Combined recoveryand fuel generation

pulpwood

forestresidual

Fuel (DME)pulp

• data of the pilot gasification unithas been evaluated:H2 : 31 %CO : 23 % H2S : 2 %CO2 : 32 %N2 : 12 %

• 2 alternatives in DME production are assessed at themoment: two step or one step byHaldor Topsoe

Black liquor


VOLKSWAGEN AG

Renew Schedule

biomasspotentialEurope

biomasspotentialEurope

optimised fueloptimised fuel

process evaluation- costs- efficiency- ecology

process evaluation- costs- efficiency- ecology

commonly agreedstrategicrecommendations

commonly agreedstrategicrecommendations

first fuel tests process parameters

provision and costs

assess-ment

recommen-dations

2004 2005 2006 2007 2008


VOLKSWAGEN AG

Thank you for your attention!

www.sunfuel.de

BTL fuels: core of Volkswagen s fuel strategy and the RENEW … · 2018. 4. 17. · BTL fuels: core...

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