Today when refineries worldwide are facing declining profit margins it is crucial for every refinery to ensure their planning models are up-to-date and effective in making plans that maximize profits. The latest Aspen HYSYS® V9 provides a much improved workflow to update your planning models. The latest improvements allow users to, save significant time and effort with the improved case study utility, interact with reactor models through Microsoft Excel® and transfer updated sub-models to Aspen PIMS™ and much more!, Today when refineries worldwide are facing declining profit margins it is crucial for every refinery to ensure their planning models are up-to-date and effective in making plans that maximize profits. Aspen HYSYS provides a streamlined workflow to update your planning models. The latest improvements allow users to, save significant time and effort with the improved case study utility, interact with reactor models through Microsoft Excel® and transfer updated sub-models to Aspen PIMS™ and much more!