Microporus silicate or aluminosilicate structured minerals that can act as an absorbing filter or sieve on a molecular level. Mainly used by the petroleum industry for the cracking of petroleum or use as a filter against various compounds.
[Journal of Physical Chemistry; v100; 1814-19; 1996.] [Water Environment and Technology; v8; 14; 1996.]
Source: Atmospheric Chemistry Glossary
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