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Oil & Fat saponification equipment
1. saponification
The reaction of oil and alkali to sodium and glycerol (and some water) is a step in the process of making soap.
In the saponification pot, the oil layer is gradually reduced and the saponification reaction is completed.
2. salting out
In closed soap, add salt or saturated salt water to separate soap from dilute sweet oil. The lower concentration of soap precipitation is called salting out * concentration. After salting out the closed soap glue, the upper soap is called soap grain; the lower layer of glycerol with salt is discharged from the bottom of the soap pot to recover glycerol.
3. washing
After separating out the waste liquid, add water and steam to boil the soap particles, so that it can become uniform soap glue from the open state, and wash out the residual glycerol, pigment and impurity.
4. Alkaline Analysis
In order to completely saponify the residual oil in the soap, glycerol, salt, pigment and impurities in the soap were further washed out by alkali analysis. The lower concentration of alkali precipitated completely is called alkali precipitated water concentration. Adjust enough to separate the soap into two soap phases. The upper layer is pure soap base, the lower layer is soap foot. Soap foot color deep, more impurities, generally in the next pot of alkali precipitation reuse.
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