Remediation of groundwater

Details Remediation of groundwater Remediation of groundwater

C - Chemistry, Metallurgy

02

F

C02F 1/66 (2006.01)

Patent

CA 2643638

A groundwater remediation method for treating acidic or alkaline groundwater containing divalent and trivalent metal cations includes the step of injecting a slurry or suspension of solid alkaline material into the ground, the slurry or suspension being injected into one or more regions such that the groundwater contacts the solid alkaline material and the divalent and trivalent metal cations react to form a layered double hydroxide (LDH) material.

L'invention concerne une méthode de réhabilitation d'eaux souterraines permettant de traiter des eaux souterraines acides ou alcalines contenant des cations métalliques divalents et trivalents et consistant en une étape d'injection d'une boue ou d'une suspension de produits solides alcalins dans le sol, la boue ou la suspension étant injectée dans une ou plusieurs régions de telle sorte que les eaux souterraines entrent en contact avec les produits solides alcalins et les cations métalliques divalents et trivalents réagissent pour former un hydroxyde double lamellaire (HDL).

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