Desiccant Materials

There are many different types of solid and liquid des-iccant materials. The common element is their capacity to collect moisture. Desiccants that collect moisture through

Fig. 39-4 Three Sensible Cooling Options for Use with Desiccant Systems.

strong molecular attraction (much like a sponge) and hold it on the surface of the material are called adsorbents. These are mostly solid materials such as silica gel. Other desiccants, called absorbents, undergo a physical change as they collect moisture. These are usually liquids, or solids that readily become liquids as they absorb moisture. Following is detail on various types of solid adsorbents and liquid absorbents.

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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