US 12,227,451 B2
Sand treatment method and system for concrete applications
Anastasiya Bavykina, Thuwal (SA); Juan Manuel Colom, Thuwal (SA); Jorge Gascon, Thuwal (SA); and William McDonough, Charlottesville, VA (US)
Assigned to KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, Thuwal (SA)
Filed by KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, Thuwal (SA)
Filed on Jul. 23, 2024, as Appl. No. 18/781,276.
Application 18/781,276 is a continuation of application No. PCT/IB2023/058781, filed on Sep. 5, 2023.
Claims priority of provisional application 63/412,650, filed on Oct. 3, 2022.
Prior Publication US 2024/0376002 A1, Nov. 14, 2024
Int. Cl. C04B 14/06 (2006.01); C04B 14/28 (2006.01); C04B 20/02 (2006.01); C04B 40/02 (2006.01)
CPC C04B 14/068 (2013.01) [C04B 14/28 (2013.01); C04B 20/023 (2013.01); C04B 40/0231 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A sand aggregate comprising:
plural aggregate grains,
wherein at least one aggregate grain of the plural aggregate grains includes,
desert sand grains that are too small to be used in concrete applications;
carbonate particles distributed on and attached to an external surface of the desert sand grains; and
a sand-based glue that aggregates the desert sand grains having the carbonate particles, to form the at least one aggregate grain,
wherein the at least one aggregate grain has a size comparable to river sand grains, while the desert sand grains have a size smaller than the river sand grains so that the at least one aggregate grain is suitable for concrete applications; and wherein the sand-based glue is obtained from additional desert sand grains treated with a base.