Semi-dry system

SemiSecoLAB™ is a semi-dry process to remove acid pollutants by atomizing a reagent (usually lime slurry from quick or hydrated lime) into the gas stream.


It is combined with an injection of activated carbon / coke or HOK for removal of heavy metals (mercury) and dioxins/furans.

The dusts and salts resulting from the neutralization reaction are captured in a fabric filter.

For higher performances, it can be completed by dry injection lime upstream the fabric filter, a-so called "3/4th dry system"

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