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公开(公告)号：US20240199487A1
公开(公告)日：2024-06-20
申请号：US18288029
申请日：2022-04-25
发明人： Eric WITT , Elizabeth GILLIGAN
IPC分类号： C04B18/02 , B09B3/27 , B28C5/12 , C02F11/145 , C02F103/36 , C04B18/04 , C04B18/06 , C04B22/06 , C04B28/00 , C04B28/04 , C04B28/08 , C04B40/00 , C04B111/00 , G21F9/30
CPC分类号： C04B18/021 , B09B3/27 , B28C5/1292 , C02F11/145 , C04B18/0472 , C04B18/049 , C04B18/065 , C04B22/064 , C04B22/066 , C04B28/006 , C04B28/04 , C04B28/082 , C04B40/0042 , G21F9/304 , C02F2103/365 , C04B2111/00784
摘要： Provided herein are methods and compositions utilizing one or more cementitious replacement materials, one or more alkaline activating materials, and, optionally one or more bonding materials and/or one or more setting time enhancer materials. The one or more cement precursors comprises one or more of non-radioactive nuclear waste; swarf, insoluble hydroxide of carbonate salts, radioactive wastes, petroleum coke, spent solvent wastes, electroporating and other metal finishing wastes, dioxin-bearing wastes, chlorinated aliphatic hydrocarbons production, wood preserving wastes, petroleum refinery wastewater treatment sludges, multisource leachate, organic chemicals manufacturing waste, pesticide manufacturing waste, petroleum refining waste, human pharmaceuticals manufacturing waste; veterinary pharmaceuticals manufacturing waste; inorganic pigment manufacturing waste; inorganic chemicals manufacturing waste; explosives manufacturing waste; iron and/or steel production waste; primary aluminum production waste; secondary lead processing waste; ink formulation waste; coking waste; or a combination thereof. The one or more alkaline activating agents comprises potassium silicate, potassium hydroxide, sodium hydroxide, sodium silicate, calcium hydroxide, magnesium hydroxide, reactive magnesium oxide, calcium chloride, sodium carbonate, silicone dioxide, sodium aluminate, calcium sulfate, sodium sulfate, or dolomite, or a combination thereof. The system comprises a vertical impact mill.
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公开(公告)号：US20240326110A1
公开(公告)日：2024-10-03
申请号：US18578961
申请日：2022-07-11
IPC分类号： B09B3/35 , B09B3/21 , B09B3/27 , B09B3/29 , B09B3/40 , B09B3/70 , B09B101/15 , B09B101/50
CPC分类号： B09B3/35 , B09B3/21 , B09B3/27 , B09B3/29 , B09B3/40 , B09B3/70 , B09B2101/15 , B09B2101/50
摘要： A method for recycling glass scrap from exhausted photovoltaic panels containing organic and substantially lead-free contaminants which allows obtaining industrial-degree liquid sodium silicates and mixed inorganic silicates insoluble in water and in alkaline solutions having a high number of industrial applications. The embodiments also relate to soluble and insoluble silicates obtained by such a method.
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公开(公告)号：US20240343645A1
公开(公告)日：2024-10-17
申请号：US18633658
申请日：2024-04-12
申请人： Shenzhen University
发明人： Hongzhi CUI , Dapeng ZHENG , Qiangwei PANG , Yu JIN , Yuan FANG
IPC分类号： C04B18/04 , B09B3/27 , B09B3/70 , B09B101/90 , C04B18/02 , C04B28/06 , C04B111/00
CPC分类号： C04B18/0472 , B09B3/27 , B09B3/70 , C04B18/021 , C04B28/065 , B09B2101/90 , C04B2111/00732
摘要： Disclosed are a method for preparing a non-sintered shell-wrapped ceramsite using solid waste meanwhile immobilizing a heavy metal in river sediment, and a non-sintered river-sediment-based shell-wrapped ceramsite, which relate to the technical field of building materials. The disclosure combines river sediment with a solid waste powder and an alkali activating powder material, and adopts multiple-step granulations to realize particle size control and physical pore formation, thereby obtaining a non-sintered ceramsite. A sulfoaluminate cement and a Portland cement are used to encapsulate the non-sintered ceramsite and form a shell by wrapping, thereby preparing a non-sintered river-sediment-based shell-wrapped ceramsite with internal porosity and dense shell.
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