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 Zeolite is zeolite family of minerals in general, it is an aqueous alkali metal or alkaline earth metal aluminum silicate mineral. Press zeolite mineral characteristics into frame, flake, fibrous and Unclassified of four, according to pore system characteristics into one-dimensional, two-dimensional, three-dimensional system. Any zeolite by silicon-oxygen tetrahedron and aluminum oxide tetrahedra. Tetrahedron vertices connected only to that share an oxygen atom, and not "side" or "face" is connected. Aluminum-oxygen tetrahedron itself can not be connected, there have been at least one silicon-oxygen tetrahedron. The silicon-oxygen tetrahedron can be directly connected. Silicon-oxygen tetrahedron of silicon, aluminum atoms can be replaced with aluminum-oxygen tetrahedron constituted. http://www.zzshb.com/ but aluminum atoms are trivalent, so aluminoxane tetrahedron, there is a price has not been the oxygen atom and, a charge imbalance is generated, so that the whole band aluminoxane tetrahedron negative. In order to maintain a neutral, positively charged ions must be offset, are generally compensated by the alkali and alkaline earth metal ions such as Na, Ca and Sr, Ba, K, Mg and other metal ions. Because zeolite has a unique internal structure and chemical properties of crystallization, thus the zeolite has a variety of industrial and agricultural use of available properties. Zeolite is a new material, is widely used in industry, agriculture, national defense and other departments, and its use are continuing to explore. Zeolites are used as ion exchangers, adsorption separation agent, desiccant, catalyst, cement admixture. In the petroleum, chemical industry, for petroleum refining catalytic cracking, hydrocracking and petroleum chemical isomerization, reforming, alkylation, disproportionation; gas and liquid purification, separation and storage agent; water softening, desalination agent; special desiccant (dry air, nitrogen, hydrocarbons, etc.).