By Winfried Boenigk, Gord Gilmet, Dirk Schnitzler, Jens Stiegert, and Mike Sutton
The legal understanding of PAHs differs from its scientific definition. Therefore the composition of low PAH pitches may vary from country to country. Strategies to produce low PAH pitches using coal tar and petroleum feedstocks are discussed. The quality characteristics of low PAH pitch depend on the applied production strategy. Advantages and disadvantages of several production options will be pointed out. Industrial use of low PAH pitches for Soederberg application has started.
To inquire about this paper, please contact Jens Stiegert, Director of Sales – Coal Tar Pitch.