Methods And Compositions For Treatment Of Concrete Wash Water
Patent No. EP3642170 (titled "Methods And Compositions For Treatment Of Concrete Wash Water") was filed by Carboncure on Jun 20, 2018. The application was issued on Jan 15, 2025.
Patent Summary
A method for treating concrete wash water with carbon dioxide to improve its suitability for reuse in concrete production. The method involves introducing carbon dioxide into the wash water while it is being agitated in a holding tank, and then recirculating the treated water back into the tank. The carbonation process reduces the reactivity of suspended cement particles, eliminates set acceleration, and allows for the reuse of wash water as mix water in concrete production. The treated wash water can be used directly in concrete production, or it can be further treated with set retarders to maintain its dormant state until it is ready to be used.
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Date
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EP3642170
- Application Number
- EP18820477A
- Filing Date
- Jun 20, 2018
- Status
- Granted And Under Opposition
- Dec 13, 2024
- Publication Date
- Jan 15, 2025
- External Links
- Slate, Register , Google Patents