Tag Archives: Alumina AD101

April 7, 2016

A tremendous growth in the industrial area all over the world has been witnessed over the last few decades. The growth of any industry is directly proportional to its products and successful manufacturing of those products depends on various other elements. There are a number of natural effects that can cause significant impact on any industry and to its products as well. Water or moisture in the air is one such reason that may cause damage to the products related to chemical industry, pharmaceutical industry, food industry, electrical industry etc. In order to keep the products safe from moisture and water, various adsorbents or desiccants are used.

Now what are these desiccants? A desiccant is a substance that is used to remove water or moisture or for the purpose of purification of any particular product and any mixture of different substances. Different kinds of desiccants are used for different purposes. Some of those desiccants are silica gel, alumina oxide, zeolite, etc. The application of alumina oxide as a desiccant is largely seen in the industrial sectors. The best part of these desiccants is they don’t create any sort of reaction with any compound. These adsorbents (desiccants) are tasteless, odorless and are normally available in different forms other than solid one.


Talking about the desiccants, the name activated alumina is bound to arise since it is one of the most effective and well-known adsorbents, used in various industrial areas. It is basically a form of aluminium oxide and is widely used to keep important industrial products away from the effects of moisture and water. Alumina is vastly used for the purification of different complex mixture of compounds and for dehydration of compounds. There are lots of structural differences between alumina and silica gel which makes alumina a comparatively effective adsorbent for purification or dehydration.


Activated alumina is used for warm gas drying activated alumina because of its capability to work absolutely fine as a water adsorbent in higher temperature as well. This alumina is available in different sizes and in different specifications. Depending on the purpose and the nature of the substances need to be separated those specifications are applied. When it comes to adsorbing water from organic liquids such as LPG, Propylene, gasoline, steam etc, alumina is considered as the most preferred choice. Some of the features of these alumina balls are they are highly resistant to thermal shock, the surface area is excellent. They never shrink or swell in the water, they work completely fine at higher temperature.
Alumina is vastly available through online now. Numerous reputable adsorbents manufacturing companies are now offering their products through online now for the convenience of the industries.

April 7, 2016

Activated alumina has a number of uses in the dehydration process. We will dig into that but prior to that, let’s have some basic information about this substance. It is manufactured from aluminum hydroxide. This compound is dehydroxylated in such a manner that it produces a highly absorbent material. This way, the substance can have a huge surface area. You will be surprised to know that activated alumina has a significant surface area which is over 200 sqmtr/gm. The compound is basically a desiccant and is used to keep things dry. It absorbs the water in the air and keeps a thing free from moisture and hydration. It is also used as filter too separate fluoride, arsenic and selenium from drinking water.

Activated alumina AD101 is made of aluminium oxide (Al2O3) which is also the chemical substance of sapphire and ruby and these gems get their color from this substance (without impurities). This activated alumina can be of different sizes and shapes like 2-5mm dia, 5-8mm dia etc. and the standard of this product is equal to or better in some cases, than what have been mentioned in Bureau of Indian Standards: BIS 9700. Along with having a high water absorption capacity and mechanical strength, the substance has a very low attrition loss at the same time. The prime use of this compound is for purification of the water and for removal of acidic vapors from gases. As the substance is of a robust nature, it is appropriate for using in high pressure.

Uses of activated alumina AD101

The wide range of its uses is for adsorbent purposes. But, we also find some catalytic applications of this substance at the time of producing polyethylene and hydrogen peroxide.
It is also used as a desiccant. The process, followed for its work is called adsorption. The water present in the air, sticks to the alumina when the air passes through the alumina molecules. All the water molecules are trapped and the air is dried out at the time of passing through it.

Another significant use of Activated Alumina is removing the fluoride from the drinking water. There are many places in the world where the level of fluoride in the drinking water is above the tolerance level and that can cause Fluor sis. The alumina AD101 can easily reduce the fluoride level from 5ppm to less than 1ppm. The equation is like the more alumina in the water, the less fluoride in the water.

Therefore, now you know why this alumina substance is so widely accepted in different countries in the world.