June 2017

Special Focus: Process/Plant Optimization

Exploiting classic design heuristics for DWC design and optimization

The history of the refinery and petrochemical industry is filled with a variety of challenges, followed by the development of state-of-the-art technologies to overcome those hurdles. New legislation has required more environmentally friendly product specifications, while energy costs have kept rising.

Park, S. I., Lee, B. D., Shin, H. J., Kim, G. B., Chang, G. S., GS Engineering and Construction

The history of the refinery and petrochemical industry is filled with a variety of challenges, followed by the development of state-of-the-art technologies to overcome those hurdles. New legislation has required more environmentally friendly product specifications, while energy costs have kept rising. Meanwhile, novel process designs and unit operations, which offer low capital investment and operational costs while maintaining robust process performance, are introduced. A dividing wall column (DWC) is one of the promising technologies shedding new light on such process intensification. A DWC combines two distillation columns into one, part of which is separated by a dividing wall with one

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