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Open AccessArticle

A Colorimetric Method for the Determination of the Exhaustion Level of Granular Activated Carbons Used in Rum Production

1
Faculty of Chemical Engineering, Energetic Efficiency Center, Universidad de Oriente, Santiago de Cuba 90500, Cuba
2
Research group of Applied and Analytical Chemistry, Hasselt University, Agoralaan building D, 3590 Diepenbeek, Belgium
3
First Master of the Cuban Rum, Santiago de Cuba 90500, Cuba
*
Author to whom correspondence should be addressed.
Academic Editor: Dimitrios Zabaras
Beverages 2016, 2(3), 24; https://doi.org/10.3390/beverages2030024
Received: 1 June 2016 / Revised: 5 August 2016 / Accepted: 10 August 2016 / Published: 20 September 2016
Spectrophotometric measurement applied on saturated granular activated carbon (GAC) is not yet explored. A colorimetric method in the visible range has been developed in order to determine the exhaustion level of GAC used in rum production. Aqueous ammonia solution has been used as an indicative agent to determine the extraction rate of taste compounds within the rum production process and the exhaustion degree of the GAC. The colorimetric results showed excellent correlation with the iodine number and the contact pH. The proposed colorimetric method opens possibilities for rum producers to improve the management and economical use of the activated carbon at the industrial scale. View Full-Text
Keywords: activated carbon; rum; spectrophotometry; colorimetry; extraction activated carbon; rum; spectrophotometry; colorimetry; extraction
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MDPI and ACS Style

Crespo Sariol, H.; Vanreppelen, K.; Yperman, J.; Brito Sauvanell, Á.; Carleer, R.; Navarro Campa, J. A Colorimetric Method for the Determination of the Exhaustion Level of Granular Activated Carbons Used in Rum Production. Beverages 2016, 2, 24.

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