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|1. (WO2018185328) PROCESS FOR MANUFACTURING A SORBENT FOR A FLUE GAS TREATMENT PROCESS, SORBENT AND USE OF SAID SORBENT IN SUCH FLUE GAS TREATMENT PROCESS|
|Applicants:||S.A. LHOIST RECHERCHE ET DEVELOPPEMENT
|Title:||PROCESS FOR MANUFACTURING A SORBENT FOR A FLUE GAS TREATMENT PROCESS, SORBENT AND USE OF SAID SORBENT IN SUCH FLUE GAS TREATMENT PROCESS|
The present invention is related to a process for manufacturing a sorbent suitable for a use in a circulating dry scrubber device comprising the steps of : providing quicklime and water in an hydrator; slaking said quicklime via a non- wet route in the hydrator; collecting a lime based sorbent at an exit of the hydrator. The process is characterized in that it comprises a further step of adding at least a first additive comprising: a compound comprising silicon, and/or, a compound comprising aluminum, and/or a compound comprising silicon and aluminum before or during said slaking step, at a molar ratio between silicon or aluminum or a combination thereof and the calcium provided to said hydrator equal to or below 0.2 and equal to or above 0.02. In some other aspects, the present invention is related to a sorbent, a premix, and a flue gas treatment process.