公开(公告)号：US12286377B2

公开(公告)日：2025-04-29

申请号：US17618153

申请日：2020-06-10

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Eric Brouard ,  Olivier Watt ,  Delphine Thomas ,  Antoine Creyx

IPC: C04B28/08 ,  C04B18/12 ,  C04B24/00 ,  C04B24/26 ,  C04B24/32 ,  C04B24/38 ,  C04B28/04 ,  C04B40/00 ,  C04B103/32 ,  C04B103/50 ,  C04B111/00

Abstract: A process of preparing a cemented paste backfill material, the material including ground mine tailings, a hydraulic binder and water, wherein the solids content of the backfill material is 70-82 wt.-%, the process including a) providing a dry premix, the premix including the hydraulic binder, a superplasticizer and optionally a defoaming agent, b) mixing the dry premix with the ground mine tailings and water.

公开(公告)号：US10562083B2

公开(公告)日：2020-02-18

申请号：US16339243

申请日：2017-10-04

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Nouffou Tapsoba ,  Eric Brouard ,  Cédric Comparet ,  Mohsen Ech ,  Nicolas Richard ,  Christophe Levy

IPC: B09C1/00 ,  B09C1/08 ,  B09B3/00 ,  C04B7/32 ,  C04B28/06 ,  C04B18/04 ,  C04B111/00

Abstract: A method for treating polluted soils, includes mixing the soil with a hydraulic binder, wherein the hydraulic binder includes: as the only high-alumina clinker, a high-alumina clinker including more than 80 wt % of mayenite C12A7 phase or a mayenite isotope, the high-alumina clinker making up at least 70 wt % of the weight of the hydraulic binder; and 1 wt % to 30 wt %, relative to the total weight of the binder, of lime.