Dehydration of Sodium Carbonate Decahydrate to Monohydrate in a Fluidized Bed

0166197 - UCHP-M 20013053 RIV US eng J - Článek v odborném periodiku
Hartman, Miloslav - Veselý, Václav - Svoboda, Karel - Trnka, Otakar - Beran, Z.
Dehydration of Sodium Carbonate Decahydrate to Monohydrate in a Fluidized Bed.
AIChE Journal. Roč. 47, č. 10 (2001), s. 2333-2340. ISSN 0001-1541. E-ISSN 1547-5905
Grant CEP: GA ČR GA203/98/0101; GA AV ČR IAA4072711
Výzkumný záměr: CEZ:AV0Z4072921
Klíčová slova: gas-solid reactions * sulfur-dioxide * thermal dehydration
Kód oboru RIV: CI - Průmyslová chemie a chemické inženýrství
Impakt faktor: 1.793, rok: 2001

Kinetics of the thermal dehydration of sodium carbonate decahydrate to monohydrate is investigated at temperatures between 15 and 30 degreesC in a batch, fluidized-bed, 140-mm-ID reactor. Effects of particle size, mass of bed, and gas velocity on the dehydration rate are also explored. A simple correlation based on the collected experimental data is developed. The proposed rate law formula makes it possible to estimate the dehydration rate that would be needed to design the performance of a fluidized-bed drying unit. The produced monohydrate is subjected to textural analysis, and pore volume and surface-area data are presented.
Trvalý link: http://hdl.handle.net/11104/0063339