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AkzoNobel – Dividing-Wall column

Last updated 654 days ago by Albert Verver

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NL GUTS Group of Users of Technology for Separation in the Netherlands


  

20110621 AkzoNobel – Tony Kiss – “Dividing-Wall column, the new champion in distillation”

AkzoNobel (an NL GUTS member) as a major chemical industry develops the DWC technology for several applications. BASF has built over 70 DWC’s since 1985. Tony Kiss presented a technology overview of DWC with major advantages in equipment savings (20-30%) and energy cost (25-30%) and higher product purity. These stem from process advantages in thermodynamics, heat exchange and no remixing that are much bigger than the major drawback in loss of degrees of freedom in design and operation on pressure and higher pressure drop and temperature difference. Azeotropic, Extractive, Reactive and Multi-component distillation are possible, thanks to large flexibility in column design and control structures. www.akzonobel.com

 


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