US 2022/0033304 A1

Biomass waste materials as a set-retardation agent in cement or concrete

(22) 28.07.2021

(43) 03.02.2022

(57) A concrete mixture is provided. The mixture includes cement powder, a plant biomaterial in a solid form, wherein the plant biomaterial does not comprise ash, and concrete aggregate, wherein a ratio of cement powder to the biomaterial ranges from 10:1 to 100:1. Methods of controlling concrete setting by adding a plant biomaterial in a solid form to a concrete mixture are also provided.

(71) University of Louisville Research Foundation, Inc., Louisville, KY (US)

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