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公开(公告)号：US20230322587A1
公开(公告)日：2023-10-12
申请号：US18132379
申请日：2023-04-08
申请人： IONIC SOLUTIONS LTD.
发明人： Azaroghly YAZDANBOD
CPC分类号： C02F1/46104 , C02F1/4695 , C02F1/4693
摘要： An improved spacer and a process for the manufacture thereof for use in electrodialysis and electrodeionization stacks. The spacer can provide reduced leakage and improved sealing between stack compartments, as well as reduced output product loss and reduced energy consumption per unit volume of output product.
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2.发明公开公开(公告)号：US20230226494A1
公开(公告)日：2023-07-20
申请号：US18097787
申请日：2023-01-17
申请人： IONIC SOLUTIONS LTD.
发明人： Azaroghly YAZDANBOD
CPC分类号： B01D61/54 , B01D61/463 , B01D61/427 , C02F1/4693 , C02F1/4698 , B01D61/48
摘要： Electrodeionization and electrodialysis systems which eliminate or substantially prevent the feed water from entering the concentrating compartments, for improving the recovery of product water as well as improving the current efficiency. Electro-osmotically generated flows of water entering from the diluting compartments of the stack constitutes the majority of concentrate feed, leading to the production of high purity, desalinated waters in the diluting compartments and highly concentrate solutions in the concentrate compartments.
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公开(公告)号：US20230347293A1
公开(公告)日：2023-11-02
申请号：US18141121
申请日：2023-04-28
申请人： IONIC SOLUTIONS LTD.
发明人： Azaroghly YAZDANBOD
CPC分类号： B01D61/52 , B01D61/48 , B01D2313/14 , B01D2313/041
摘要： An improved spacer for use in electrodialysis and electrodeionization stacks can provide close contact between the spacer mesh and its adjacent ion exchange membranes, reducing the water flow cross-section through the cell. This in turn can lead to higher flow velocities and increased flow turbulence between ion exchange membranes, thereby reducing membrane polarization effects and increasing the limiting current density. The improved spacer can be combined with a voluminous spacer gasket for receiving a volume of electroactive media, the voluminous spacer gasket comprising an outer gasket edge having an open central area for receiving the electroactive media, and holes on the top and bottom of the outer gasket edge whose dimensions match the holes on the spacer.
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4.发明公开公开(公告)号：US20230311067A1
公开(公告)日：2023-10-05
申请号：US18129402
申请日：2023-03-31
申请人： IONIC SOLUTIONS LTD.
CPC分类号： B01D61/52 , C25D3/46 , C25D7/00 , C23C18/08 , B01D61/48 , B01D61/422 , B01D2313/345
摘要： Non-gas emitting electrodes having a very high surface area, high electric capacitance, and low electric resistance are integrated with silver and/or silver chloride for use in electrodialysis/electrodeionization cells, or in any other system requiring the generation of electric fields through electrolyte solutions, and are capable of generating an electric field for extensive periods of time without generation of gases, and without the occurrence of water splitting electrode reactions. Each electrode is highly porous and highly conductive, such as a carbon aerogel electrode, and thus has a very large internal surface area, which is infused with silver and/or silver chloride. This combination supercapacitor and pseudocapacitor electrode can sustain electrode reactions for longer periods of time, and at much higher current densities, as compared to conventional (solid) silver/silver chloride electrodes.
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