Effect of magnesium and calcium salts on the sulfation capacity of trona slurry

Ayşe Özyuǧuran*, Gül Şentürk-Ünal, Ayşegül Ersoy-Meriçboyu

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Özet

The sulfation experiments of the slurries prepared by using natural trona (NaHCO3.Na2CO3.2H2O) originating from the Beypazari-Ankara region of Turkey were performed at different conditions. A statistical design technique was applied by the use of a two-level factorial design matrix to interpret experimental results. Sulfation conditions were selected according to a two-level factorial design matrix considering the following variables: sulfation time (3 and 7 h), sorbent content of slurry (1% and 3%) and sulfation temperature (298 and 323 K). It was found that the sorbent content of slurry has the strongest effect on the total sulfation capacity in comparison with sulfation time and temperature. The effects of different magnesium and calcium salts on the total sulfation capacities of trona slurries were also investigated. The total sulfation capacities of slurries were increased from 11.45 to 33.00 (mg SO3/mL slurry) and from 21.25 to 25.80 (mg SO3/mL slurry) with the addition of magnesium and calcium salts, respectively.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1031-1036
Sayfa sayısı6
DergiChemical Engineering Transactions
Hacim25
DOI'lar
Yayın durumuYayınlandı - 2011

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