US 2021/0032161 A1

Cement manufacture using latex residual material

(22) 31.07.2019

(43) 04.02.2021

(57) A method of recycling latex paint residual material, such as unused latex paint, includes the step of mixing with cement precursor material, thermally treating the mixture in a kiln to produce clinker, and mixing the clinker with gypsum to product cement. The cement may be used in conventional ways, such as to produce concrete.

(71) KBL Environmental (AB) Ltd., Leduc (CA)

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