|
KMID : 1007519950040020079
|
|
Food Science and Biotechnology
1995 Volume.4 No. 2 p.79 ~ p.84
|
|
|
Studies on the Efficient Clarification Process of Apple Juice with Ultrafiltration Process
|
|
Kim, Jeong Hoon
Hur, Sang Sun/Choi, Yong Hee
|
|
|
Abstract
|
|
|
|
Apple juice was clarified by an experimental scale ultrafiltration system with a polysulfone membrane (30,000 dalton MWCO). Process parameters which might affect permeate flux were observed at transmembrane pressure 50, 100, 150, 200 kPa, temperature 20, 35, 50℃ and flow rate 0.8, 0.9, 1.0ℓ/min. For the prediction of permeate flux depending on transmembrane pressures, temperatures, and flow rate, regression analysis was applied. Final prediction model depending on each process condition was also established by the same method. It was found that permeate flux increased with increased transmembrane pressure and higher permeate flux was obtained at higher temperature within the temperature limitation of the membrane. The change of permeate flux was not much dependent on flow rate. The permeate flux and fouling index were decreased with time, and permeate flux was reduced by 60% after approximately 180 min. The clarity of ultrafiltered juice was more clear compared with pectinase-clarified juice.
|
|
|
KEYWORD
|
|
|
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
 
|
|