gas-phase photocatalytic oxidation of volatile organic ... - Doria

TABLE OF CONTENTS
6
ABSTRACT............................................................................................................................. 3
ACKNOWLEDGEMENTS.................................................................................................... 5
TABLE OF CONTENTS........................................................................................................ 6
LIST OF PUBLICATIONS.................................................................................................... 7
LIST OF ABBREVIATIONS AND SYMBOLS.................................................................. 8
1 INTRODUCTION................................................................................................................ 9
1.1 Objectives.................................................................................................................... 10
1.2 Air pollutants under consideration: an overview ...................................................... 11
1.2.1 Methyl tert-butyl ether ........................................................................................ 11
1.2.2 Ethanethiol ........................................................................................................... 12
1.2.3 Amino compounds............................................................................................... 13
2 GAS-PHASE PHOTOCATALYTIC OXIDATION ....................................................... 14
2.1 TiO2 applications in gas-phase photocatalysis.......................................................... 14
2.2 Parameters and conditions influencing PCO............................................................. 16
2.2.1 Catalyst supports and loading ............................................................................. 16
2.2.2 Photocatalyst deactivation................................................................................... 18
2.2.3 Effect of humidity................................................................................................ 19
2.2.4 Concentration of the pollutant ............................................................................ 20
2.3 Reaction kinetics......................................................................................................... 21
3 RESULTS AND DISCUSSION ....................................................................................... 23
3.1 Experimental methods and conditions....................................................................... 23
3.2 Catalyst life-time and reaction products.................................................................... 25
3.3 Reaction kinetics......................................................................................................... 28
Conclusions............................................................................................................................ 32
References.............................................................................................................................. 33
APPENDICES ....................................................................................................................... 41