1.During drying and regeneration, it is necessary to pay attention to gradually increase the temperature, so as not to cause the rubber particles to burst and reduce the recovery rate.
2. When the silica gel is calcined and regenerated, the excessive temperature will cause the pore structure of the silica gel to change, which will significantly reduce the adsorption effect and affect the use value. For blue gel indicator or color-changing silica gel, the temperature of desorption regeneration should not exceed 120 °C, otherwise the color development will be lost due to the gradual oxidation of the developer.
3. The regenerated silica gel should generally be sieved to remove fine particles to make the particles uniform.
Silica gel has a strong ability to absorb moisture, so it should be stored in a dry place, and there should be a shelf between the package and the ground. The packaging materials include steel drums, paper drums, cartons, plastic bottles, polyethylene plastic composite bags, and flexible container bags. See the classification product description for specific packaging specifications. Rain, moisture and exposure should be avoided during transportation.