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|Title:||Central composite experimental design applied to evaluate the lactic acid concentration by short path evaporation|
Maciel, Maria Regina Wolf
Maciel Filho, Rubens
|Abstract:||In this work, lactic acid purification by short path evaporation (SPE) was evaluated using central composite experimental design. The influences of the evaporator temperature (from 86.7 to 177.3 °C) and condenser temperature (from 7.5 to 24.5 °C) on distilled percentage, and lactic acid purity and recovery at the distillate stream were studied. In the range of study, lactic acid purity obtained at 1 kPa, using evaporator temperature of 86.7 °C and condenser temperature of 16 °C presented the highest lactic acid purity which was about 11 times lactic acid concentration higher than the initial content in raw material|
|Appears in Collections:||FEQ - Artigos e Outros Documentos|
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