Preparation of anhydrous zinc acetate

1. Preparation of raw materials
Select high-quality zinc sources, such as zinc granules or zinc oxide with high purity, to ensure that the impurity content is extremely low, so as not to affect the quality of anhydrous zinc acetate. High-purity reagents are also required for acetic acid to reduce the introduction of impurities. At the same time, an appropriate amount of catalyst is prepared, which can effectively promote the reaction and improve the reaction efficiency.

2. During the reaction process
Slowly add the zinc source to the reaction vessel containing acetic acid, and control the reaction temperature in a suitable range, generally maintained at about [X] ° C. At this temperature, zinc and acetic acid undergo a chemical reaction, and the solution gradually changes along with the generation of bubbles. The reaction process requires constant stirring to fully contact the reactants, speed up the reaction rate, and ensure that the reaction proceeds uniformly. The reaction time depends on the amount of raw materials and the reaction conditions, and it takes about [X] hours until the reaction is complete, and the solution no longer has obvious bubbles.

Third, separation and purification
After the reaction is completed, the resulting mixture contains unreacted raw materials and impurities, which need to be separated. First, through filtration operation, insoluble impurities are removed to obtain a clearer solution. Then, the method of evaporation and concentration is used. Under a certain temperature and pressure, the solvent acetic acid is gradually volatilized, and the solution concentration is continuously increased. When a certain saturation is reached, stop heating and let the solution cool and crystallize naturally. After the crystallization is complete, the crystals are filtered again to separate the crystals from the mother liquor to obtain relatively pure zinc acetate crystals.

Fourth, drying treatment
The separated zinc acetate crystals are placed in the drying equipment, and the drying temperature and time are strictly controlled. If the temperature is too high, the crystals may decompose, and if the temperature is too low, the drying effect will be poor. Generally, the drying temperature is set at [X] ° C for [X] hours to completely remove the moisture in the crystals, and finally the finished product of anhydrous zinc acetate is obtained. The whole preparation process needs to be strictly controlled in all aspects to ensure the quality and purity of anhydrous zinc acetate.