Impact of caustic soda solution temperature on efficiency of its cleaning on solid sediments after completed process of cleaning in CIP system of brewing unit

• Autorzy: Piepiórka-Stepuk J.

Identyfikatory

DOI

10.1515/agriceng-2018-0018

Warianty tytułu

PL

Wpływ temperatury na skuteczność oczyszczania ługu sodowego po procesie mycia w systemie CIP naczyń warzelniczych i drogi brzeczki

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of analysis concerning the impact of temperature on sedimentation in the caustic soda solution that constitute a contamination after the process of cleaning utensils and pipes for hopped wort transport in the brewery. The solution was collected from the production plant after the process of cleaning and subjected to 12-hour sedimentation and changes of the solid particles participation, their size and percentage share in the solution was determined. The study was carried out with the Shadow Sizing method. The results were subjected to statistical analysis and the surface area of the response of the relation between the time and temperature of sedimentation and the number of particles which stay in the solution was calculated. The research results proved that the temperature significantly affects the cleaning degree of solutions by sedimentation and its duration. After sedimentation in solutions, particles with the surface area from 0.001-0.003 mm2 remain. Those particles are not subject to sedimentation and constitute a coloidal suspension in the solution.

PL

Przedstawiono wyniki analiz dotyczące wpływu temperatury na sedymentację osadów w roztworze wodorotlenku sodu stanowiących zanieczyszczenie po procesie mycia naczyń i przewodów do transportu brzeczki w warzelni zakładu piwowarskiego. Roztwór pobierano z zakładu produkcyjnego po procesie mycia i poddawano 12 godzinnej sedymentacji oznaczając zmiany udziału cząstek stałych, ich wielkość i procentowy udział w roztworze. Badania prowadzono metodą Shadow Sizing. Wyniki poddano analizie statystycznej wyznaczając powierzchnię odpowiedzi zależności między czasem i temperaturą sedymentacji a ilością cząstek pozostających w roztworze. Wyniki badań wykazały, że temperatura w sposób istotny wpływa na stopień oczyszczania roztworów przez sedymentację oraz na czas, w jakim to następuje. W roztworach po sedymentacji pozostają cząstki o powierzchni od 0,001-0,003 mm2 . Cząstki te nie ulegają sedymentacji i stanowią koloidalną zawiesinę w roztworze.

Słowa kluczowe

EN

CIP system; sodium hydroxide; regeneration; sedimentation

PL

system CIP; ług sodowy; regeneracja; sedymentacja

• Wydawca: Polskie Towarzystwo Inżynierii Rolniczej
• Czasopismo: Agricultural Engineering
• Rocznik: 2018
• Tom: Vol. 22, No. 2
• Strony: 79--89
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Piepiórka-Stepuk J.

• Department of Processes and Devices of the Food Industry Koszalin University of Technology, Koszalin

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).