Since many compounds are inert to the HPC solution, the CATACARB process is flexible in application. In addition to applications in carbon capture, EO/EG, VAM, and hydrogen, ammonia, the CATACARB process has been implemented in the following:

  • Natural Gas Purification
  • Autoclave Recycle O2
  • Methanol Synthesis Gas
  • Nitrous Oxide Purification

Presence of CO2 in natural gas reduces its heating value, causes increased costs for compression/liquefaction, and causes corrosion of pipelines when water is present. The CATACARB process has proven to be a reliable and effective method for CO2 removal from natural gas using our CATACARB inorganic catalyst.

Autoclaves with oxygen feed gas consume oxygen in the process of oxidizing refractory ore. To maintain effectiveness, the oxygen content must be kept sufficiently high. CO2 removal from autoclave effluent gas recovers pure oxygen for recycle to the autoclave, limiting high-pressure oxygen consumption. The CATACARB Process, using our CATACARB inorganic catalyst, has been implemented in autoclave recycle loops to do just that and has been proven effective.

For methanol synthesis from syngas, the ratio of hydrogen to carbon dioxide and carbon monoxide must be controlled for optimization. To achieve an optimal composition of hydrogen and carbon monoxide, CO2 can be removed from the syngas using the CATACARB Process. In fact, methanol synthesis gas was one of the first CATACARB implementations in 1963.

The decomposition of ammonium nitrate to produce nitrous oxide also yields an undesirable byproduct, CO2, which must be removed to produce pure N2. First implemented into an N2O production plant in 1984, the CATACARB process can selectively absorb CO2 from an N2O stream.

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