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公开(公告)号：EP3806988B1
公开(公告)日：2024-07-17
申请号：EP19726708.1
申请日：2019-05-29
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公开(公告)号：EP3507249B1
公开(公告)日：2024-07-17
申请号：EP17758518.9
申请日：2017-08-25
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公开(公告)号：EP4397631A2
公开(公告)日：2024-07-10
申请号：EP24176881.1
申请日：2019-03-01
发明人： FRAIL, Paul Robert
IPC分类号： C02F5/14
CPC分类号： C02F1/72 , C02F5/14 , C02F2103/02320130101 , C02F2303/0420130101 , C02F2303/0820130101 , C23F11/10 , C02F5/12
摘要： A method to reduce or eliminate N-heterocycles, the method providing one or more environmentally benign chelators (EBCs) to an aqueous cooling system, the aqueous cooling system having at least one N-heterocycle in the presence of a halogenating or non-halogenating oxidizer. A method to reduce or eliminate AOX, the method providing one or more environmentally benign chelators (EBCs) to an aqueous cooling system, the aqueous cooling system having at least one AOX-containing species in the presence of a halogenating biocide.
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公开(公告)号：EP4397630A1
公开(公告)日：2024-07-10
申请号：EP23863414.1
申请日：2023-09-01
申请人： LG Chem, Ltd.
发明人： KIM, Sung Kyun , LEE, Sung Kyu , LEE, Min Wook
CPC分类号： B01D3/32 , C02F1/04 , C02F1/58 , C02F2101/1620130101 , C07C29/141 , C07C45/75 , C07C45/80 , C07C45/82 , C07C29/80
摘要： Provided is a method for treating wastewater of neopentyl glycol including: recovering wastewater including a catalyst from one or more processes of an aldol purification process, a neopentyl glycol purification process, and an extractant recovery process and supplying the wastewater to a volatile organic compound separation column; obtaining an upper discharge stream including the catalyst and a lower discharge stream including wastewater from which the catalyst has been removed in the volatile organic compound separation column; and supplying the lower discharge stream to a wastewater treatment system to treat wastewater.
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公开(公告)号：EP4397629A1
公开(公告)日：2024-07-10
申请号：EP24150648.4
申请日：2024-01-08
发明人： EBBESTAD, Geir Qvam
IPC分类号： C02F1/48 , C02F1/461 , C02F1/00 , C02F1/66 , C02F101/20 , C02F103/02
CPC分类号： C02F1/488 , C02F2101/20320130101 , C02F1/003 , C02F2201/00320130101 , C02F2303/0820130101 , C02F1/66 , C02F2103/02320130101 , C02F1/46176 , C02F2301/02620130101 , C02F2001/4613320130101
摘要： The present invention relates to a water treatment unit for improving the quality of water in a water system and a water treatment system comprising the water treatment unit. The water treatment unit comprises a housing comprising a container, a magnet, a sacrificial anode, and a filter element. The container has an inlet and an outlet configured to allow a flow of water into and out of the container. The magnet is configured to attract ferrous particles and retain the ferrous particles to remove the ferrous particles from the flow of water. The sacrificial anode is configured to provide cathodic protection and scavenge oxygen from the flow of water. The filter element is configured to remove detritus from the flow of water. The magnet, sacrificial anode, and filter element are located within the container.
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公开(公告)号：EP4397396A1
公开(公告)日：2024-07-10
申请号：EP23168977.9
申请日：2023-04-20
发明人： YAN, Huachao , ZHOU, Xueyue
CPC分类号： B01D63/024 , C02F1/003 , C02F1/283 , C02F2201/00420130101 , C02F1/44 , C02F2307/0220130101
摘要： A push-type water purification cup comprising an upper shell, a hollow fiber membrane is arranged in the inner middle part of the upper shell, and the outer periphery of the hollow fiber membrane is connected with the inner wall of the upper shell by glue, the top end of the upper shell is provided with an activated carbon filter cover, on which several upper permeable grooves are equidistantly arranged, the middle and lower parts of both ends of the outer side of the upper shell are respectively provided with buckle seats, the bottom of the upper shell is provided with a lower shell, the top edge of the lower shell is provided with a sealing groove, and buckle holes are arranged at the middle and lower parts of both sides of the sealing groove, and a sealing ring is arranged on the sealing groove.
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公开(公告)号：EP4396137A1
公开(公告)日：2024-07-10
申请号：EP22865237.6
申请日：2022-05-31
发明人： MAENG, Min Ho , MAHMUDOV, Rovshan
CPC分类号： Y02W10/10 , C02F3/1273 , C02F2103/2820130101 , C02F2103/3020130101 , C02F2103/2420130101 , C02F2103/3220130101 , C02F3/121 , C02F3/308 , C02F3/26 , C02F3/1221 , C02F3/302
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公开(公告)号：EP4396136A1
公开(公告)日：2024-07-10
申请号：EP22777849.5
申请日：2022-09-02
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公开(公告)号：EP3835268B1
公开(公告)日：2024-07-10
申请号：EP19917720.5
申请日：2019-08-30
CPC分类号： C02F11/06 , C02F11/12 , Y02W10/40 , C02F11/148 , C02F11/18 , C02F11/125 , B01D53/507 , B01D53/78 , B01D2252/10320130101
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公开(公告)号：EP4393569A1
公开(公告)日：2024-07-03
申请号：EP22861478.0
申请日：2022-08-26
申请人： HIROSAKI UNIVERSITY
发明人： SASAKI, Kazuya , SHINMURA, Kiyoto
摘要： This lithium recovery device 10C is provided with a processing tank 1 that is partitioned into a supply tank 11 and a recovery tank 13 by a lithium ion-conducting electrolyte membrane 2. In order to selectively move Li+ to an aqueous solution RS in the recovery tank 13 from an aqueous solution SW in the supply tank 11, the aqueous solution SW containing Li+ and other metal ions Mn+, this lithium recovery device 10C is also provided with: a first power supply 51 which is connected between a first electrode 31 that has a porous structure and is arranged so as to be in contact with a supply tank 11-side surface of the electrolyte membrane 2 and a second electrode 32A that is arranged within the recovery tank 13, in such a manner that the first electrode 31 functions as the positive electrode; and a sub power supply 53 which is connected in series to the positive electrode of the first power supply 51, while having the positive electrode thereof connected to a sub electrode 41 that is arranged within the supply tank 11 at a distance from the electrolyte membrane 2.
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