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As refiners increase their focus on petrochemical integration, producing high-purity petrochemical naphtha (PCN) has become increasingly important. A key challenge is removing carbon disulfide (CS2), a contaminant that can poison
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Optimize Naphtha Processing using Dividing Wall Technology
Published in AIChE’s Chemical Engineering Progress (August 2021), this DWC Innovations article shows how dividing-wall column (DWC) technology can optimize the refinery naphtha block — the isomerization and catalytic reforming
DWC revamp boosts octane and throughput
This article explains how dividing wall column (DWC) technology can significantly enhance the performance of light-naphtha isomerization units used to produce high-octane gasoline. Isomerization increases gasoline octane by converting straight-chain
Maximize margins in a light naphtha isomerization unit by producing C6 products
Published in Hydrocarbon Processing (February 2021), this DWC Innovations article shows how a light naphtha isomerization unit can earn more margin by producing additional high-value C6 products. In a typical
Dividing wall distillation columns
This article explains how dividing wall column (DWC) technology was used to revamp a refinery gasoline unit in Southeast Asia and overcome capacity and product-quality limitations. Distillation columns consume significant
Introduction to Dividing Wall Columns
Published in AIChE’s Chemical Engineering Progress (March 2019), this DWC Innovations article is a practical introduction to dividing wall columns (DWCs) — distillation columns that add an internal wall to
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