Wine Fermenter is a place for fermentation and are also an important part. For the cleaning of wine fermenter, many friends will have some problems, so today Cerel Pre-treatment Equipment Supplier sort out some details of the fermentation tank cleaning for your reference.
Fermentation tank cleaning process: water washing - alkaline washing - water washing - pickling - water washing - sterilization - sterile water washing.
Cleaning agent selection:
Cleaning agents are generally classified into water, alkaline cleaners and acid cleaners.
1. Water cleaning agent is not introduced here.
2. Alkaline cleaning agents are sodium carbonate, sodium silicate and sodium hydroxide.
Sodium carbonate keeps the pH of the solution, but it is difficult to wash off. Sodium silicate is mainly used to inhibit corrosion of copper, aluminum, tin and zinc surfaces. Sodium hydroxide, also known as caustic soda, is the most commonly used type of caustic, and is relatively inexpensive. The effect of sodium hydroxide to remove oil and grease is very obvious.
3. The main acid components of the acid cleaning agent are: nitric acid, sulfuric acid and phosphoric acid. Among them, nitric acid is the most widely used in the cleaning of breweries. The diluted nitric acid or phosphoric acid can easily remove the beer stone, and the sulfuric acid can be used in combination with the waste yeast and diatomaceous earth to wipe the surface of the copper container.
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