. Rahimian 0 0 German Petroleum Institute , Walther-Nernst-Str. 7, D-38678 Clausthal-Zellerfeld - Germany INTRODUCTION Crude oil residues are complex mixtures of different organic compounds characterised by
. Rahimian 0 0 German Petroleum Institute , Walther-Nernst-Str. 7, D-38678 Clausthal-Zellerfeld - Germany INTRODUCTION Crude oil residues are complex mixtures of different organic compounds characterised by