A process for extracting and purifying naturally occurring zeolite from ores in the presence of other mineral phases by using mechanical dispersion and differential suspension to remove a majority of the clay content of the ore. The process continues by removal of contaminants with a higher mass to surface...http://www.google.es/patents/US6662951?utm_source=gb-gplus-sharePatente US6662951 - Process for extracting and purifying naturally occurring zeolite
Process for extracting and purifying naturally occurring zeolite