All-Dry Injection System

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The Fives All-Dry injection system is used to reduce emissions of acid gases and heavy pollutants such as Mercury (Hg), Hydrogen Fluoride (HF), Hydrogen Chloride (HCl) and SO3.  Some level of reduction of SO2 can be achieved but at low efficiency.

This system combines a reagent injection system and TGT® or Sonair filter to collect particulates and reacted reagent.

In an existing installation, the All-Dry system can be retrofitted to re-use the existing dust collector.



  • Calciners
  • Industrial kilns
  • Retrofits in existing plants for acid gas removal

Key references

  • Rio Tinto, Arvida, QC
  • Boral Brick, GA
  • Trigen, Charlottetown,PEI
  • Alcan, Oswego,NY

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Information on data processing

As a data processor, FIVES implements personal data processing when managing your contact request. The data collected are required for this processing and are retained, unless you object, for a period of 6 months from the last contact between you and FIVES. If the information is incomplete, FIVES will not be able to respond to your contact.

The data collected are exclusively for the use of FIVES departments.

Pursuant to current legislation, you have the right to request access to data concerning you, their correction, deletion and portability, as well as a right of limitation over processing of your data.

These rights can be exercised by email to or by post to the Data Protection Officer at the following address: FIVES, 3 Rue Drouot, 75009 Paris, accompanied by a copy of an identity document.

In case of a dispute involving processing of your personal data, you have the right to make a complaint to the French Data Protection Agency (CNIL).

To find out more about our personal data protection policy click here


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