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    • 21. 发明专利
    • Process for ash remediation
    • GB2607406A
    • 2022-12-07
    • GB202203914
    • 2022-03-21
    • INNOVATIVE ASH SOLUTIONS LTD
    • ROBERT CRAIG GREENCOLIN JOHN CUNNINGHAM
    • B09B5/00B09B3/00B09B3/30B09B3/38B09B3/70B09B3/80
    • A method for treating air pollution control residue (APCR) which is waste ash created by energy from waste (EFW) facilities, the method comprising the steps of: creating a wet APCR mixture by adding up to 40% by weight of water to the APCR, promoting an exothermic reaction in the wet APCR mixture to create an APCR reaction product through exposing the wet APCR to atmospheric conditions with optional mixing and allowing the reaction to take place, adding an aqueous liquid to the APCR reaction product to form a diluted APCR reaction product, separating contaminants from the APCR reaction product in the diluted APCR reaction product by creating an aqueous solution of contaminants in the diluted APCR reaction product and a decontaminated APCR in suspension in the aqueous liquid through the application of agitation and/or heat, and forming a solid decontaminated APCR product through removing the suspended decontaminated APCR from the aqueous solution of contaminants by filtering. The solid decontaminated APCR product may be used as a grout material and/or as a suitable constituent of building materials including Portland cements.