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Chemometrics and experimental design in brewing industry cleaning (CROSBI ID 588084)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Rezić, Tonči ; Rezić, Iva ; Blaženović, Ivana ; Šantek, Božidar ; Chemometrics and experimental design in brewing industry cleaning // Book of Abstracts, CAC-2012, XIII Chemometrics in Analytical Chemistry. Hungarian Chemical Society, 2012. str. 151-151

Podaci o odgovornosti

Rezić, Tonči ; Rezić, Iva ; Blaženović, Ivana ; Šantek, Božidar ;

engleski

Chemometrics and experimental design in brewing industry cleaning

The aim of this research was to apply statistical design of experiment for investigation of cleaning effects in microbrewery. The stainless steel resistance to nitric acid was monitored by determination of the release of metal ions (Al, Cu, Fe, Mo and Sn) in cleaning solution. Cleaning process was optimized by 25 preliminary experiments considering the time of rinsing and the concentration of HNO3 acid in the solution prepared for rinsing the laboratory vessel. Experimental design, rinsing optimization and system point prediction was made using computer program Design Expert (version 7, State-Ease Company, USA). Optimization conditions were determined (optimal rinsing time and concentration of HNO3 acid in the solution prepared for vessel rinsing) using two criteria: minimum concentration HNO3 allowed for satisfying vessel rinsing (according to brewery sanitation protocol) and maximum concentration of HNO3 allowed which will prevent corrosion and metal release into wastewaters (according to Water Act NN 107/95, 150/05). Calculated optimal values were afterwards proved by additional experiments, and very good agreement was found for majority of parameters. The obtained optimal results satisfied all necessary criteria, so the proposed protocol can be used in the effective sanitation of industrial tanks and pipelines in brewing industry. The design of experiment can be in addition recommended to other food industries for optimization of cleaning processes.

design of experiment; optimization; brewery; food industry

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Podaci o prilogu

151-151.

2012.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts, CAC-2012, XIII Chemometrics in Analytical Chemistry

Hungarian Chemical Society

978-963-9970-24-3

Podaci o skupu

CAC-2012, XIII Chemometrics in Analytical Chemistry

poster

25.06.2012-29.06.2012

Budimpešta, Mađarska

Povezanost rada

Kemija, Kemijsko inženjerstvo, Biotehnologija