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THE VISIT OF DR. LIONEL POURTIER
AT THE SZCZECIN UNIVERSITY OF TECHNOLOGY
ADSORPTION RESEARCH INTERESTS
IN THE FIELD OF ENVIRONMENTAL PROTECTION
J. F. Nastaj
Faculty of Chemical Engineering
Szczecin University of Technology
Szczecin, POLAND
Presented at Seminary: Environment Protection at the Department
of Chemical Engineering and Environmental Protection Processes
12 May 2005
1
ADSORPTION RESEARCH TEAM
 Bogdan AMBROŻEK, PhD
 Elżbieta MAŁACHOWSKA
 Małgorzata CHYBOWSKA, MSc
 Filip MOSKAL, MSc
 Dorota DOWNAROWICZ, PhD
 Józef NASTAJ, Prof. TU
 Elżbieta GABRUŚ, PhD
 Mścisław PADEREWSKI, Prof.
 Marek KOŚMIŃSKI
 Joanna RUDNICKA , MSc
 Krzysztof LACH, PhD
 Konrad WITKIEWICZ, MSc
Book: PADEREWSKI, M. L.,”Adsorption Processes in Chemical Engineering”,
WNT Warszawa, 1999 (in Polish).
2
RESEARCH INTERESTS
 Theoretical and Experimental Studies of Removing and
Recovery of Volatile Organic Compounds (VOCs)
from Waste Gases
 Electrothermal Methods of Adsorbents Regeneration
 Membrane – Adsorption Hybrid Processes
 Measurements and Prediction of Adsorption Equilibria
3
THEORETICAL AND EXPERIMENTAL STUDIES
OF REMOVING AND RECOVERY OF (VOCs)
FROM WASTE GASES
Cyclic Thermal Swing Adsorption (TSA) Systems with:
 Fixed Bed of Granular Activated Carbon
 Fixed Bed of Granular Polymeric Adsorbent
 Closed Cycle of Purge Gas
 Recycle of Purge Gas
4
THEORETICAL AND EXPERIMENTAL STUDIES
OF REMOVING AND RECOVERY OF (VOCs)
FROM WASTE GASES (continued)
Cyclic Combined Vacuum and Thermal Swing Adsorption
Systems (VTSA) with:
 Fixed Bed of Granular Activated Carbon
 Fixed Bed of Granular Polymeric Adsorbent
 Recycle of Purge Gas
5
CYCLIC SINGLE FIXED BED THERMAL SWING ADSORPTION (TSA) SYSTEM
AMBROŻEK B., ”Experimental and theoretical studies of cyclic thermal swing adsorption process
for the removal and recovery of volatile organic compounds from waste air streams”, Inż. Chem.
Proc., 25, 570-576 (2004).
1 - Pressure control valve
2 - Dryer
3 - Needle Valve
4 - Rotameter
5 - Static mixer
6 - Liquid solvent
7 - Heat Exchanger
8 - Plug Valve
9 - Heater
10 - Insulated Adsorber
11 - Condenser
12 - Separator
13 - Measuring cylinder
D - Dispenser
S - Sampling point
TR - Temperature Recorder
TC - Temperature Controller
6
CYCLIC TWO FIXED BED COMBINED VACUUM
AND THERMAL SWING ADSORPTION SYSTEMS (VTSA)
7
MEMBRANE–ADSORPTION HYBRID PROCESSES
Membrane Processes for Preconcentration:
 Microfiltration (MF)
 Ultrafiltration (UF)
 Nanofiltration (NF)
Thermal Swing Adsorption (TSA) in Liquid Phase:
 Dehydratation of Alcohols - Water Azeotrope Systems
on Zeolite Molecular Sieves
 Removing of Organic Pollutants from Water
on Activated Carbons
8
MEMBRANE–ADSORPTION HYBRID PROCESS EXAMPLE
Anhydrous Ethanol Production by Fermentation of Waste Lactose
WOJTYNIAK B., GABRUŚ E., SZANIAWSKA D., ”Conversion of waste lactose to ethanol and lactic acid
using hybrid biomembrane-adsorption processes”, Membr. Sci. and Techn. Conf. PERMEA 2003.
Whey
permeate
Lactose
preconcentration (NF)
R1
Fermentation + UF
R2
P2
R
– Retentate
NF – Nanofiltration
Concentrated ethanol
Anhydrous ethanol
– Permeate
UF – Ultrafiltration
Ethanol concentration
(PV)
Ethanol dehydratation
(TSA)
P
PV – Pervaporation
TSA – Thermal Swing
Adsorption
Water for use
9
ELECTROTHERMAL METHODS OF ADSORBENTS
REGENERATION
Electrothermal Temperature Swing Adsorption (ETSA):
 Removing of VOCs from Off-gases – Adsorption on
Activated Carbon Fixed Bed
 Regeneration of Activated Carbon Bed by Means
of Direct Electric Heating and Recovery of VOCs
DOWNAROWICZ D., NASTAJ J., ”Development of an granular activated carbon adsorption/
Electrothermal regeneration system to VOCs recovery”, CHISA 2004, Proceedings, Paper: P3.169, 1-13.
NASTAJ J., DOWNAROWICZ D., ”Numerical model of internal heat source capacity in desorption step
of ETSA process”, Int. Comm. in Heat and Mass Transfer, 32 (6), 779-785 (2005).
10
ELECTROTHERMAL METHODS OF ADSORBENTS
REGENERATION (continued)
Adsorption/Regeneration VOCs system – Use of Induction
Heating :
 Removing of VOCs from Off-gases – Adsorption
on Modified Activated Carbon Bed
 Seeking of More Efficient Methods of Internal Heat
Source Capacity Generation During VOCs Desorption
by Induction Heating
MOSKA F., NASTAJ J., ”Inductive heating of fixed bed of activated carbon”, Przemysł
Chemiczny, 2003, 82, 22-26 (in Polish).
MOSKA F., NASTAJ J. , ”Improvement induction heating efficiency of bed composed of
activated carbon and iron granular mixture”, CHISA 2004, Proceedings, Paper: P3.168, 1-13.
11
ELECTROTHERMAL TEMPERATURE SWING ADSORPTION (ETSA)
Experimental Equipment of Adsorption/Electrothermal Regeneration
System - DIRECT RESISTANCE HEATING APPLICATION
C
5
2c
6
1 - Drying column
nitrogen
to atmosphere
C
4
2 - Rotameter
3 - Gas washing bottle
4 - Mixer
2b
7
2a
5 - Adsorption column
6 - Auxiliary adsorber
C
3
7 - Condensation unit
condensate
1
8 - Auxiliary adsorber
8
to atmosphere
air
12
ADSORPTION/REGENERATION VOCS SYSTEM –
INDUCTION HEATING APPLICATION
Experimental Setup
Z4
1
1 - Adsorption column
5
6
2 - Coil winding
10
T
C
A
Z5
2
9
C
T
C
T
3 - Flowmeter
11
4 - Saturator
Z2
V
T
C
T
C
T
3
4
5 - Metering pump
6 - Protective column
Z1
7 - Condenser
T
C
ZR2
ZR1
8 - Condensate receiver
7
COOLING
WATER
C
Z7
NITROGEN
Z6
COMPRESSED
AIR
Z3
9 - Supply system
10 - Current converter
11 - Voltage converter
8
13
MEASUREMENTS AND PREDICTION
OF ADSORPTION EQUILIBRIA
 Adsorption Equilibria for Single Component Systems
 Multicomponent Adsorption Equilibria
 Adsorption Equilibria of Mixtures for Polar and Non-
Polar Components
 Nonisothermal Adsorption Equilibria
14
MULTICOMPONENT ADSORPTION EQUILIBRIA
Experimental Apparatus
AMBROŻEK B., JABŁOŃSKI M., ”Measurement and prediction of adsorption equilibria of ternary
mixture of acetone, methanol and benzene on activated carbon”, Inż. Chem. Proc., 25, 563-569 (2004).
1 - Dryier
2 - Rotameters
3 - Washing bottles
4 - Mixer
5 - Heater
6 - U-tube
7 - Cold trap
15
Thank You for Your Atention !!!
16
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