Transport of solid particulates

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 53/30 (2006.01) C04B 18/12 (2006.01) C09K 8/38 (2006.01) C09K 8/94 (2006.01) E21B 43/25 (2006.01) E21F 15/00 (2006.01) E21F 15/08 (2006.01)

Patent

CA 2382086

A method is provided for incorporating a foaming agent into mixtures of particulates and then forming a foam within the mixture to increase the flowability of the particulates. A method is also provided for excavating solid particulates, incorporating a foaming agent into mixtures of solid particulates, and then forming a foam within the mixture to increase the flowability of the particulates. The particulates can be transported through pipelines or boreholes. Examples of particulates include, but are not limited to, mine tailings, ores, sand, coal, soils, clays, silts, aggregates, and mixtures thereof.

L'invention concerne un procédé consistant à incorporer un agent moussant dans des mélanges de particules puis à obtenir une mousse dans le mélange de manière à réduire la capacité d'écoulement des particules. L'invention concerne aussi un procédé consistant à excaver les particules solides, à ajouter un agent moussant dans les mélanges de particules solides puis à former une mousse dans le mélange de manière à réduire la capacité à l'écoulement des particules. Ces particules peuvent être transportées par des conduites ou des trous de sonde. Les particules peuvent être, entre autres, des résidus miniers, des minerais, du sable, du charbon, de la terre, de l'argile, des limons, des agrégats et leurs mélanges.

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