US 2024/0199485 A1 · METHOD TO ACTIVATE PHYLLOSILICATE MINERALS AND ACTIVATED MATERIALS OBTAINABLE THEREFROM

Abstract

The present invention relates to a mechanochemical activation of phyllosilicate minerals, such as clay minerals, having an amorphous content of at least 10 wt. % as determined by XRD under an atmosphere of CO2. The invention further related to the activated materials obtainable by said methods and uses thereof. The invention further relates to compositions comprising the mechanochemically activated materials and a further material selected from the group consisting of asphalt, cement, geopolymers, polymers and combinations thereof. The invention further relates to concrete and methods of their preparation.

Claims17

Dependent claims

A method for the mechanochemical activation of phyllosilicate minerals, said method comprising the following steps:

a) providing a feedstock comprising a phyllosilicate mineral;
b) providing a gas comprising at least 0.5 vol % CO2;
c) introducing said feedstock and said gas into a mechanical agitation unit;
and
d) subjecting the material of said feedstock to a mechanical agitation operation in the presence of said gas in said mechanical agitation unit.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/411,122Filed 12 Jan 2024

Priority

EP 22190795.917 Aug 2022

Published

20 Jun 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification12 codes

C04B 14/106
Clay: kaolin
C01B 33/40
Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type: clays
C04B 14/10
Silica-rich materials; Silicates: clay
C04B 14/20
Silica-rich materials; Silicates: mica; Vermiculite

Method to activate phyllosilicate minerals and activated materials obtainable therefrom

Life of this patent

Method to activate phyllosilicate minerals and activated materials obtainable therefrom

Life of this patent

Abstract

Claims17