Potassium Methyl Siliconate Manufacturers introduces the precautions for the use of silicone defoamers:
1. It is advisable to adopt a large number of repeated guidelines to add defoamers.
2. It can also use the stock solution and fermentation base material to heat and sterilize it into the tank, or it can also adopt the preparation of the brewed water emulsion and indirect steam sterilization and then "flow" into the tank to defoam. 3. The inorganic silicon defoamer is being used or the VAE emulsion needs to be sufficiently stirred before sampling. Normally, there is a need to know:
a. The water-based emulsion can be concentrated arbitrarily, but the stability of the simultaneous emulsion will also drop sharply, such as the occurrence of stratification;
b. When concentrating, please withdraw the water from the defoamer and stir quickly;
c. Because the emulsion has the best stability in the original depth, because the concentrated emulsion must be shaved in a short period of time;
d. The emulsion is very slow to ketone jelly and the measurement is higher than 40 °C and is easily destroyed;
e. Prevent frost, the emulsion that has been frozen can be defrosted with a small core, but it must be tested before further use;
f. Short-time intense vibration or intense shear (such as the use of machine pumps, homogenizers, etc.) or mixing will destroy the stability of the emulsion;
g. Increasing the viscosity of the emulsion or adding thickeners can improve the stability of the emulsion.
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