Lactulose production from cheese whey using recyclable catalyst ammonium carbonate

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Ammonium carbonate (NH4)(2)CO3) was used as an alkaline catalyst of lactulose production from cheese whey. Maximum yield of 29.6% was obtained at reaction time of 28.44 min, (NH4)(2)CO3) of 0.76% at 97 degrees C. During reaction, (NH4)(2)CO3) was fully decomposed to NH3 and CO2, and these gases were recovered. To boost up NH3 recovery, various methods such as heating, aeration, and pH adjustment were applied. The optimal condition for the purpose of NH3 retrieval was temperature of up to 60 degrees C alongside aeration. Easy separation and recovery make (NH4)(2)CO3) a catalyst alternative to common alkaline chemicals especially for the weak alkaline reaction.
Publisher
ELSEVIER SCI LTD
Issue Date
2016-04
Language
English
Article Type
Article
Citation

FOOD CHEMISTRY, v.197, pp.664 - 669

ISSN
0308-8146
DOI
10.1016/j.foodchem.2015.10.078
URI
http://hdl.handle.net/10203/209223
Appears in Collection
CE-Journal Papers(저널논문)
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