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VOCat catalysts for PTA processes are used to reduce emissions resulting from the production of purified terephthalic acid (PTA). The exhaust of the PTA process is particularly challenging because it may contain many volatile organic compounds (VOC), such as toluene, methyl acetate, acetic acid, carbon monoxide and methyl bromide.

The family of VOCat PTA catalysts destroy the VOC and carbon monoxide (CO) even in the presence of a halogenated compound, methyl bromide, commonly found in PTA exhaust gas. Included in this family of products are:

  • 450 series, highly active catalysts designed for low temperature operation in streams containing methyl bromide.
  • 200 series, a base metal offering for economical control of PTA emissions in the presence of methyl bromide.
  • 800 series, highly active catalysts for operating conditions at elevated temperatures.

VOCat PTA catalysts offer customers excellent efficiency and cost effectiveness because the product features:

  • High temperature stability and thermal shock resistance
  • Low pressure drop
  • High strength and durability
  • Low catalyst volume