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Dehydrogenation Catalysts for Production of Styrene from Ethylbenzene

StyroMax® Series

The StyroMax® series is designed to promote the dehydrogenation of ethylbenzene to styrene monomer far more efficiently than many other state-of-the-art catalysts. Thanks to their outstanding selectivity and high activity, the catalysts help to maximize styrene yield while minimizing by-product formation. Producers also benefit from reliable operation with low deactivation rates, low pressure drop, and high resistance to coke formation or accidental poisoning. 


A complete range of StyroMax catalysts are available for both standard and ultra-low steam-to-oil (SOR) or steam-to-hydrocarbon (SHR) ratios. Because they require less steam for styrene production, the latter versions reduce energy costs, and allow more sustainable operation. 
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  • Excellent performance: outstanding selectivity at high activity, leading to high styrene yields, maximized production and long cycle lengths
  • Reliable operation: Low deactivation rate, state-of-the-art pressure-drop development, high resistance to coke formation and high tolerance to accidential poisoning
  • Suitable for operation in the full range of commercial steam-to-oil ratios
  • Robust during loading and operation
  • Commercially proven worldwide in numerous units of all relevant licensed processes  
  • Based on more than 60 years of experience
  • Globally available
Product compositionPotassium Iron Oxides
Size3.0 mm, 3.5 mm
Shaperib and cylindrical extrusions


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