Cleaning: Difference between revisions
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Chemical cleaning is the most effective and least problematic method used to clean stainless steel. Alkaline detergents can be used to remove organic soils without any risk of equipment corrosion. Acetic acid and phosphoric acid are good choices to remove mineral scale from equipment. It is important to know the ingredients used in chemicals for your own safety safety as well as preventing corrosion. Mild detergents and soft cleaning cloths or brushes can be used on many of the soils encountered in the brewery.<ref name=byo>https://byo.com/article/stainless-steel-care-tips-from-the-pros/</ref> | |||
In general, bleach should be avoided because of the risk to equipment and to beer flavor.<ref name=byo/> | |||
[https://jfoodprotection.org/doi/pdf/10.4315/0362-028X-60.1.43 Frank and Chimielewski] investigated the effectiveness of Quaternary Ammonium Compound | [https://jfoodprotection.org/doi/pdf/10.4315/0362-028X-60.1.43 Frank and Chimielewski] investigated the effectiveness of Quaternary Ammonium Compound |
Revision as of 19:28, 16 June 2020
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Chemical cleaning is the most effective and least problematic method used to clean stainless steel. Alkaline detergents can be used to remove organic soils without any risk of equipment corrosion. Acetic acid and phosphoric acid are good choices to remove mineral scale from equipment. It is important to know the ingredients used in chemicals for your own safety safety as well as preventing corrosion. Mild detergents and soft cleaning cloths or brushes can be used on many of the soils encountered in the brewery.[1]
In general, bleach should be avoided because of the risk to equipment and to beer flavor.[1]
Frank and Chimielewski investigated the effectiveness of Quaternary Ammonium Compound or Chlorine on stainless steel and other domestic food preparation surfaces. The results indicate that different materials have an inherent different ability to be sanitised. Although the results indicated that abrasion (and therefore increasing surface roughness) does not always reduce the effectiveness of sanitising on clean surfaces, if adherent soil is not removed, microbial survival could be enhanced. Sanitation effectiveness is not simply a result of surface roughness or porosity.[2]
- Bleach soaking... Not so great.
- https://www.ecologiccleansers.com/the-geek-stuff/the-essentials-of-cleaning/
- https://www.ecologiccleansers.com/the-geek-stuff/role-of-chemistry-in-cleaning/
- https://www.ecologiccleansers.com/the-geek-stuff/the-answers/
- https://www.mbaa.com/publications/tq/tqPastIssues/1992/Abstracts/tq92ab28.htm
- https://www.birkocorp.com/resources/blog/white_papers/a-look-at-biofilms-in-the-brewery/
- https://diversey.com/en/blog/brewing-biofilms-and-value-expertise
- https://www.vtt.fi/inf/pdf/publications/2000/P410.pdf
- https://www.researchgate.net/publication/40223152_Biofilms_and_brewing
- https://books.google.com/books?id=9LmkAgAAQBAJ&pg=PA449&lpg=PA449&dq=Control+of+Biofilms+in+Breweries+through+Cleaning+and+Sanitising&source=bl&ots=4H9kpgYh3g&sig=ACfU3U3cSIOe-S1x2H2GcJPsj8MkwoKy7w&hl=en&sa=X&ved=2ahUKEwi4na-cmIfqAhWZQjABHbn-BoMQ6AEwB3oECAYQAQ#v=onepage&q=Control%20of%20Biofilms%20in%20Breweries%20through%20Cleaning%20and%20Sanitising&f=false
- https://books.google.com/books?id=t-1hSVvcHvEC&pg=PA307&lpg=PA307&dq=Control+of+Biofilms+in+Breweries+through+Cleaning+and+Sanitising&source=bl&ots=yHziFkQ4it&sig=ACfU3U07Lh5TvkfFrKv6XCoqqLHmXq6VUQ&hl=en&sa=X&ved=2ahUKEwi4na-cmIfqAhWZQjABHbn-BoMQ6AEwCHoECAkQAQ#v=onepage&q=Control%20of%20Biofilms%20in%20Breweries%20through%20Cleaning%20and%20Sanitising&f=false
Degreasing new metallic gear
Sodium hydroxide (NaOH, lye, strong caustic) is the industry best practice for degreasing new stainless steel gear.[3] For this purpose you only need a 3-5% solution (hot). You need to wear safety glasses, and quickly wash your skin if you get any on you.