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Selective Oxidation Catalysts for Maleic Anhydride (MA) Production

SynDane® Series

SynDane® catalysts enable cost-efficient production of maleic anhydride via partial oxidation of n-butane in fixed-bed tubular reactors. Their superior yield and selectivity greatly reduce by-product formation and downstream polymerization, thus minimizing downtime of maleic anhydride plants. 
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  • Higher selectivity and maleic anhydride yield due to innovative microstructure and chemical composition 
  • Proprietary double-alpha shape of some SynDane® catalysts reduces pressure drop, thus maximizing energy and process efficiency
  • Excellent operating stability ensures long catalyst lifetime
  • Reduced formation of undesired by-products (e.g. acrylic acid, acetic acid) decreases plant downtime for equipment cleaning
  • In plants with water-based backend technology: also fewer process water changes
  • Operation at high n-butane load and space velocity ensures efficient maleic anhydride production

Product compositionVanadium phosphorus mixed oxide
SizeSmaller and big rings
ShapeRings and low pressure-drop shape ("double alpha" shape)
Related News
  • November 21, 2023
    <p>Clariant today announced that it has been awarded a major contract by Jiangsu Shenghong Petrochemical Co., Ltd, to use Clariant’s SynDane 3142 LA catalyst for its new maleic anhydride (MA) production plant in Lianyungang, Jiangsu province, China. </p>
  • July 12, 2022
    Clariant has been awarded a major contract by Wanhua Chemical Group to supply catalysts for its new maleic anhydride plant, which will be one of the largest in the world. Designed to produce 200 kilotons of maleic anhydride annually, the plant will rely on Clariant’s SynDane catalyst for the production process. The facility will be located in Yantai city, Shandong province, and is scheduled to commence operation in 2023. Also based in Yantai, Wanhua is one of the largest chemical producers in China and is among the top 30 chemical producers globally by 2020 sales.
  • December 04, 2019
    A new record for the MOL Group, and another highly satisfied customer for Clariant. In July 2017, MOL installed Clariant’s SynDane catalyst at their Danube maleic anhydride production plant in Százhalombatta, Hungary, for the first time. The unit reached its nameplate capacity of 22,000 metric tons per annum already a few weeks after start-up. Now, the plant’s latest figures reveal that the excellent performance and operability of the catalyst boosted productivity in 2018 by 17% versus its previous all-time high, allowing MOL to achieve its highest maleic anhydride yield to date.
  • August 27, 2019
    Clariant, a focused and innovative specialty chemical company, today announced it will significantly expand the capacity of its catalysts production facility in Panjin, Liaoning province, Northeast China. A double-digit CHF million investment will further optimize the existing facility and enable the creation of a new state-of-the-art production line for Clariant’s SynDane maleic anhydride (MA) catalyst.
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