4. Adsorbent and Filtration Agent

Silica gel’s adsorptive properties make it an excellent material for use as an adsorbent and filtration medium. It is used in air purification, water treatment, and gas separation industries. Due to its high surface area, silica gel can efficiently adsorb moisture, harmful gases, impurities, etc. It is widely used in specialized applications such as industrial waste gas treatment and water quality purification.
5. Drug Delivery and Controlled Release Systems

In the pharmaceutical industry, silica gel is used as a carrier for drugs and in controlled release systems. Its excellent porous structure allows for the slow release of medications, extending the duration of their therapeutic effects. For example, certain oral and topical drugs use silica gel as a carrier to control the release rate and improve treatment outcomes.
6. Food and Beverage Industry

In the food industry, silica gel is used for preservation and moisture control. For example, adding silica gel desiccants to food packaging helps prevent spoilage or dampness. It is also used in some beverages, such as in the purification of certain types of alcohol, to remove impurities and improve quality.
7. Cosmetics and Personal Care

In the cosmetics industry, silica gel is used for its moisture-absorbing and stabilizing properties. It is often included in formulations such as foundations, toners, and exfoliating products. Silica gel helps improve the texture of the product and enhances the overall user experience.

In conclusion, silica gel's unique properties make it an indispensable material across a wide range of industries, from moisture control and catalysis to pharmaceutical and cosmetic applications.