Zeolite ion exchange and adsorption, widely used in agriculture, petrochemicals, environmental protection, water extracting potassium, water treatment, polymer chemicals, cement, food, paper, electronics and building materials industry and so on. In recent years, the efforts of geologists, in my area is a volcanic material found in many types of zeolite alteration, mineralization in the Cretaceous, the research determined a high silica zeolite, a rare taste the country.
Properties and uses: There are four more than ten kinds of natural zeolite is a hydrated alkali or alkaline earth metal aluminum silicate, zeolite has a unique internal structure and crystal chemistry.
1, there are different phase exchange isomorphism. 2, the zeolite cavities and channels within certain conditions, precise and fixed diameter (about 3 - 10A) zeolite different, less than the diameter of the substance to be adsorbed, is greater than the diameter of exclusion. 3, a larger force of electrostatic adsorption. 4, a large specific surface area (500-10003 / g). 5, a large adsorption surface, a considerable number of absorption material can be led in their surface chemical reactions. 6, there is reaction. 7, have higher thermal stability and acid resistance. 8, the adsorption and dehydration of water sorption isotherms are nonlinear, there are many zeolite pore zeolite water desorption of freedom, under certain conditions, may be lost, but from the air or water re-water recovery, but the crystal lattice structure is intact.
In the adsorption and separation applications for:
Clinoptilolite can be used as desiccant, the product water absorption up to 40% -50% in the high heat resistance and acid resistance, non-radioactive elements, taste slightly, can be used for a special drying agent.
Adsorption and separation of agent used, as a screening of, can be used for molecular sieve, the gas and liquid separation, purification and purification, and can clear the air SO2.
Application of the ion exchange
As natural zeolite ion exchange and the exchange of choice, can be wastewater treatment, removal or recovery of heavy metal ions; for radioactive waste disposal; water extracting potassium, desalination, water softening.
The application of the catalyst
As oil catalytic cracking agent, so that a variety of products of petroleum distillation to increase production.
Application in environmental protection
Such as dealing with waste elimination of SO2, treatment of wastewater, excreta disposal.