Institute of Chemical Engineering page 1Achema 2012

Chemical Process Engineering

Reaction Engineering & Combustion

Reaction Engineering & Combustion

Contact: franz.winter@tuwien.ac.at

Institute of Chemical Engineering page 2Achema 2012

Chemical Process Engineering

AIM:

Research (experimental and modelling) and lectures:

-) gas – solid flow

-) heat- and mass transfer

-) chemical reactions

for

-) reactor design

-) process development

-) process optimization

in the areas of

=> energy technology (combustion, devolatilization)

=> environment technology (NOx, SO2, CO2, CO, HCl, Asche)

=> metallurgical industry (iron ore reduction, blast furnace, sinter process)

=> chemical industry (oxy-chlorination, catalysis)

Reaction Engineering & Combustion

Institute of Chemical Engineering page 3Achema 2012

Chemical Process Engineering

Verweilzeit

Red

uktio

nsgr

ad

H2-reiches Reaktionsgas

CO-reiches Reaktionsgas

pressurized lab-scale reactor

partly converted particle

Reaction Kinetics at High Temperatures and High Pressures

Conversion with time

Institute of Chemical Engineering page 4Achema 2012

Chemical Process Engineering

Urban Mining, the City as Resource

lab-scale reactor

Institute of Chemical Engineering page 5Achema 2012

Chemical Process Engineering

Recovery of Phosphate from Sewage sludge ash

(Sewage sludge plant)

(Sewage sludge -dried)

(Sewage sludge ash)

Institute of Chemical Engineering page 6Achema 2012

Chemical Process Engineering

Thermo-chemical Energy Storage

lab-scale reactor

thermodynamics

Institute of Chemical Engineering page 7Achema 2012

Chemical Process Engineering

n‐heptane, n‐decane and iso‐octane

0,10

1,00

10,00

100,00

0,8 1 1,2 1,4 1,6

Igni

tion

Del

ay T

ime

[ms]

1000/T [1/K]

Ignition delay times PRF0

13.5 bar experiment 13.5 bar simulation

Global Reaction Mechanism for Ignition

Institute of Chemical Engineering page 8Achema 2012

Chemical Process Engineering

0

20

40

60

80

100

120

140

160

0 50 100 150 200 250 300 350 400 450 500

time [s]

[ppm

]

NO

HCN

NH3

devolatilization char combustion

Combustion Kinetics and Pollutants Formation

Fuels

lab-scale reactor

NO, HCN, NH3 formation

Institute of Chemical Engineering page 9Achema 2012

Chemical Process Engineering

Foto: Anlage Pecs

www.iea-fbc.org

Int. Energy Agency - Fluidized Bed Conversion Network

Institute of Chemical Engineering page 10Achema 2012

Chemical Process Engineering

Further information

ao.Univ.Prof. Dipl.-Ing. Dr. Franz WINTER

Email: franz.winter@tuwien.ac.athttp://www.vt.tuwien.ac.atTel.: +43 1 58801 166301FAX: +43 1 58801 16699