View cart “Introducing Aspen Plus V11 for Chemical Engineering Simulation” has been added to your cart. on-demand Added to wishlistRemoved from wishlist 1 Distillation columns : Principles, Operation & Design Sold by WR Training $169.00 $129.00 Add to cart on-demand Added to wishlistRemoved from wishlist 1 Introducing Aspen Plus V11 for Chemical Engineering Simulation Sold by WR Training $199.00 $49.99 Add to cart