Views: 99 Author: Site Editor Publish Time: 2021-11-19 Origin: Site
There are many different kinds of zeolites, 36 of which have been discovered. Their common feature is that they have a shelf structure, which means that in their crystals, molecules are connected together like a frame, and many cavities are formed in the middle. Because there are many water molecules in these cavities, they are water-bearing minerals.
This water is expelled when exposed to high temperatures, such as when burned over a flame, and most zeolites expand and foam as if boiling. This is how zeolites got their name. Different zeolites have different forms, such as square zeolite and rhodochrosite, which are generally axial crystals, sheet zeolite and pyrochlore, and smectite, which is needle-like or fibrous.
All kinds of zeolites should be colorless or white if they are internally pure, but if they are mixed with other impurities, they will show various light colors. Zeolites also have a glassy luster. We know that water can escape from zeolite, but this does not destroy the internal crystal structure of the zeolite.
Therefore, it can also reabsorb water or other liquids. So, this has become a feature that people use zeolite for. We can use zeolite to separate some of the substances produced in oil refining, we can make it dry the air, we can make it adsorb certain pollutants, purify and dry alcohol, etc. Zeolite minerals have a wide distribution. It is particularly found in sedimentary rocks formed by volcanic debris, and is also found in soils.
Burst boiling is an explosive phenomenon shown by a sudden drop in pressure that causes the saturated liquid, which was in equilibrium, to overheat under atmospheric pressure and rapidly boil and evaporate, and the volume expands dramatically.
When the pressure vessel rupture, the gas inside the container first rapidly expand, so that the pressure inside the container instantaneously drop to atmospheric pressure. At this time, the container of saturated liquid in a superheated state, that is, its temperature is higher than its boiling point at atmospheric pressure. So the gas-liquid two-phase loss of balance, the liquid quickly evaporated a large number of vaporization, rapid expansion of volume, the container shell by a very high pressure shock, so that it further rupture.
The reason for the overheating of the liquid is the lack of a core in the liquid to form bubbles. In order to remove the phenomenon of overheating in the distillation process and to ensure the smooth state of boiling, often add zeolite, or one end of the capillary tube sealed, because they can prevent the phenomenon of boiling when heated, they are called storm stopper also called boiling aid, it is worth noting that the liquid can not be boiling, add storm stopper, can not use the used storm stopper.
Simply put, because the liquid in the beaker will rush upward when heated, resulting in a "fountain" that will even spill out and hurt people when violent, and zeolite can effectively stop the liquid from rushing upward, so that the liquid can remain stable when heated.
What are the applications of natural zeolite in the field of building materials?(2)
What are the applications of natural zeolite in the field of building materials?(1)
How to give your skin a DIY deep cleanse and detox with zeolite
What exactly is the difference between montmorillonite and zeolite?(2)
What exactly is the difference between montmorillonite and zeolite?(1)