Process for the removal of endocrine disrupting compounds

Details Process for the removal of endocrine disrupting compounds Process for the removal of endocrine disrupting compounds

B - Operations, Transporting

01

J

B01J 20/04 (2006.01) C02F 1/28 (2006.01) C09C 1/02 (2006.01)

Patent

CA 2679243

The present invention relates to the removal of endocrine disrupting compounds from an aqueous medium by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20 °C, to the medium, wherein the surface-reacted calcium carbonate is a reaction product of natural calcium carbonate with carbon dioxide and one or more acids, the use of the surface-reacted natural calcium carbonate for the removal of endocrine disrupting compounds, as well as to a combination of a surface-reacted natural calcium carbonate and activated carbon for the removal of endocrine disrupting compounds.

La présente invention concerne la suppression de composés dérégulateurs endocriniens dans un milieu aqueux par l'ajout de carbonate de calcium naturel qui a réagi en surface ou d'une suspension aqueuse comprenant du carbonate de calcium qui a réagi en surface et possède un pH supérieur à 6,0 mesuré à 20 °C à un milieu, le carbonate de calcium qui a réagi en surface étant un produit de réaction du carbonate de calcium naturel avec du dioxyde de carbone et un ou plusieurs acides, l'utilisation du carbonate de calcium naturel qui a réagi en surface pour la suppression de composés dérégulateurs endocriniens, ainsi qu'une combinaison de carbonate de calcium naturel qui a réagi en surface et du charbon actif pour la suppression de composés dérégulateurs endocriniens.

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