- → Odour
- → Ethylene oxide and other epoxides
- → Hydrogen sulphide and volatile organic sulphur compounds
- → Ammonia and amines
- → Acrylates, acetates and aldehydes
- → Organic and inorganic acids
- → Halogenated compounds
- → Alcohols and ketones
- → Aromatic compounds
- → Hydrocarbons (alkanes, alkenes, …)
- → Phenol
- → Other volatile compounds
- → Dust and particles
The presence of halogenated compounds may require a suitable abatement technique to meet the local emission limits.
For the abatement of organic halogen compounds such as chloromethane and bromomethane, a solvent scrubber can be very effective. The biofilter and biotrickling filter technique have also been successfully applied by Trevi for the abatement of voluminous air flows loaded with chloromethane, for example. For small gas flows, a dry scrubber can also be applied.
For the abatement of inorganic halogen compounds such as Cl2, Br2 and F2, a caustic scrubber and/or reductive scrubber can be used. For small gas flows, we apply a dry scrubber with a suitable inorganic sorbent such as Chemisorb S and/or Chemisorb P.
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