scholarly journals Freeze-Drying Kinetics Approach of Soluble Coffee. Mass Transfer Parameters Estimation

2017 ◽  
Vol 62 (1) ◽  
pp. 7-17
Author(s):  
Adina Ghirişan ◽  
◽  
Simion Drăgan ◽  
Vasile Miclăuş ◽  
◽  
...  
2021 ◽  
pp. 110929
Author(s):  
Eduardo Rurush ◽  
María Alvarado ◽  
Paola Palacios ◽  
Yeimy Flores ◽  
Meliza Lindsay Rojas ◽  
...  

2016 ◽  
Vol 142 (6) ◽  
pp. 04016018 ◽  
Author(s):  
Otmane Boudouch ◽  
Daoud Esrael ◽  
Mariem Kacem ◽  
Belkacem Benadda ◽  
Rémy Gourdon

Author(s):  
Petra Foerst ◽  
M. Lechner ◽  
N. Vorhauer ◽  
H. Schuchmann ◽  
E. Tsotsas

The pore structure is a decisive factor for the process efficiency and product quality of freeze dried products. In this work the two-dimensional ice crystal structure was investigated for maltodextrin solutions with different concentrations by a freeze drying microscope. The resulting drying kinetics was investigated for different pore structures. Additionally the three-dimensional pore structure of the freeze dried samples was measured by µ-computed tomography and the pore size distribution was quantified by image analysis techniques. The two- and three-dimensional pore size distributions were compared and linked to the drying kinetics.Keywords: pore size distribution; freeze drying; maltodextrin solution; freeze drying microscope   


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