vlb berlin philipp röbisch versuchs- und lehranstalt für brauerei in berlin (vlb) mikrobiological...
TRANSCRIPT
![Page 1: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/1.jpg)
VLB Berlin Philipp Röbisch
Versuchs- und Lehranstalt für Brauerei in Berlin (VLB)
Mikrobiological and macroscopic evaluation of different foam
formulations for CIP applications in the brewing industry
![Page 2: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/2.jpg)
VLB Berlin Philipp Röbisch
Experimental setup
CB
A20 x 20 cm
D stainless steel test plate
![Page 3: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/3.jpg)
VLB Berlin Philipp Röbisch
material and methods – foam types1. table: defining foam types2. picture: foam types a) dry b) middle c) wet
foam: alkaline foam with active chlorine component
foam proportion air
proportionwater
A dry high low
B medium
medium medium
C wet low high
1.
A) foam wet B) foam medium C) foam dry
2.
![Page 4: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/4.jpg)
VLB Berlin Philipp Röbisch
Contamination Kieselguhr contamination Spores contamination
concentration 10 g / L Kieselguhr suspension
spray 0,3 mL per square
spores suspension
2400 cfu / cm²
contamination:
detection:visually detection and evaluation after cleaning
semi quantitative detection with contact plates graduate in 10 categories
![Page 5: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/5.jpg)
VLB Berlin Philipp Röbisch
results
![Page 6: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/6.jpg)
VLB Berlin Philipp Röbisch
results
![Page 7: VLB Berlin Philipp Röbisch Versuchs- und Lehranstalt für Brauerei in Berlin (VLB) Mikrobiological and macroscopic evaluation of different foam formulations](https://reader036.vdocuments.mx/reader036/viewer/2022062407/56649d185503460f949edb99/html5/thumbnails/7.jpg)
VLB Berlin Philipp Röbisch
The End
Thank you for your attention! Cheers!