公开(公告)号：US11945744B2

公开(公告)日：2024-04-02

申请号：US18134906

申请日：2023-04-14

申请人： Samsung Engineering Co., Ltd. ,  Samsung Electronics Co., Ltd.

发明人： Seok Hwan Hong ,  Dae Soo Park ,  Seung Joon Chung ,  Yong Xun Jin ,  Jae Hyung Park ,  Jae Hoon Choi ,  Jae Dong Hwang ,  Jong Keun Yi ,  Su Hyoung Cho ,  Kyu Won Hwang ,  June Yurl Hur ,  Je Hun Kim ,  Ji Won Chun

IPC分类号： C02F9/00 ,  B01D61/02 ,  B01D61/14 ,  B01D61/58 ,  B01D65/02 ,  C02F1/52 ,  C02F1/56 ,  C02F1/66 ,  C02F1/00 ,  C02F1/20 ,  C02F1/44 ,  C02F1/50 ,  C02F3/12 ,  C02F3/30 ,  C02F3/34 ,  C02F5/08 ,  C02F101/14 ,  C02F101/16 ,  C02F101/30 ,  C02F103/08

CPC分类号： C02F9/00 ,  B01D61/025 ,  B01D61/145 ,  B01D61/147 ,  B01D61/58 ,  B01D65/02 ,  C02F1/5236 ,  C02F1/56 ,  C02F1/66 ,  B01D2317/025 ,  C02F2001/007 ,  C02F1/20 ,  C02F1/441 ,  C02F1/444 ,  C02F1/50 ,  C02F3/1268 ,  C02F3/30 ,  C02F3/342 ,  C02F5/08 ,  C02F2101/14 ,  C02F2101/16 ,  C02F2101/30 ,  C02F2103/08 ,  C02F2301/046 ,  C02F2303/04 ,  C02F2303/16

摘要： Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).

公开(公告)号：US11773028B2

公开(公告)日：2023-10-03

申请号：US17036801

申请日：2020-09-29

申请人： INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

发明人： Sheng-Min Yu ,  Sheng-Yi Chiu ,  Chien-Chung Hsu

IPC分类号： C04B35/553 ,  C02F1/28 ,  C02F101/14

CPC分类号： C04B35/553 ,  C02F1/281 ,  C02F2101/14 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3418 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/77

摘要： A method of removing fluoride ion from waste liquid is provided, which includes providing a calcium source and a plurality of ceramic particles to a waste liquid containing fluoride ion for forming a plurality of calcium fluoride layers wrapping the ceramic particles. The calcium fluoride layers are connected to form a calcium fluoride bulk. The ceramic particles are embedded in the calcium fluoride bulk. The ceramic particles and the calcium fluoride bulk have a weight ratio of 1:4 to 1:20.

公开(公告)号：US11766641B2

公开(公告)日：2023-09-26

申请号：US16421220

申请日：2019-05-23

申请人： Council of Scientific and Industrial Research

发明人： Indra Bhushan Singh ,  Archana Singh ,  Swati Dubey ,  Akshay Singh Tomar ,  Priyanka Arya ,  Avanish Kumar Srivastava

IPC分类号： B01D69/12 ,  B01D69/02 ,  B01D71/02 ,  B01D71/26 ,  C02F1/00 ,  C02F101/10 ,  C02F101/14

CPC分类号： B01D69/12 ,  B01D69/02 ,  B01D71/025 ,  B01D71/26 ,  C02F1/003 ,  B01D2319/02 ,  C02F2101/103 ,  C02F2101/14 ,  C02F2201/006

摘要： A nanoadsorbent based filter is used for purification of fluoride and arsenic contaminated water. 140-150 g low cost (˜10 USD/kg) nanoparticles of gamma alumina of 20-25 mg/g fluoride and 25-30 mg/g arsenic adsorption capacity is incorporated in propylene filter without susceptibility of leaching incorporated nanoparticles in water. The cost of domestic defluoridation device containing low cost nanoalumina incorporated filters/cartridges along with housing, overhead tank, tubing and treated water storage container etc. is of very low cost of around 25 USD/device. The fluoride treatment cost would be

公开(公告)号：US20190023585A1

公开(公告)日：2019-01-24

申请号：US16066902

申请日：2016-09-09

申请人： Central South University

发明人： Liyuan CHAI ,  Qingwei WANG ,  Guomin JIANG ,  Chengyun ZHOU ,  Qingzhu LI ,  Zhihui YANG ,  Weirong GAO

IPC分类号： C02F1/00 ,  C02F1/04 ,  C02F1/26 ,  C02F1/42 ,  C02F1/469 ,  C02F1/68 ,  C02F1/20

CPC分类号： C02F1/001 ,  B01D1/00 ,  B01D3/10 ,  B01D3/143 ,  B01D3/145 ,  C02F1/046 ,  C02F1/048 ,  C02F1/20 ,  C02F1/26 ,  C02F1/42 ,  C02F1/4693 ,  C02F1/68 ,  C02F9/00 ,  C02F2101/101 ,  C02F2101/103 ,  C02F2101/106 ,  C02F2101/14 ,  C02F2101/203 ,  C02F2103/16 ,  C02F2301/08 ,  Y02P10/212

摘要： A method and an apparatus for recovery and deep treatment of a polluted acid. The method comprises the following main steps: (1) selectively adsorbing rare and noble metals, such as rhenium, selenium and the like; (2) separating copper from arsenic to recover the copper; (3) carrying out efficient vulcanization to perform deep arsenic removal; (4) carrying out electrodialysis to pre-concentrate acid; (5) evaporating and concentrating the acid; (6) carrying out an air-stripping method to remove fluorine and chlorine. The polluted acid treatment apparatus mainly comprises a precision filtering tank, a special adsorbing tank, a copper-arsenic separation device, a vulcanization device, an electrodialysis device, an evaporative concentration device, and an air-stripping device. The method and the apparatus can implement efficient recovery of valuable elements in polluted acid wastewater and separate treatment harmful elements, has obvious economical, social and environmental benefits, and has wide application prospects.

公开(公告)号：US10037839B2

公开(公告)日：2018-07-31

申请号：US14911313

申请日：2014-12-02

申请人： KYOWA CHEMICAL INDUSTRY CO., LTD.

发明人： Xing Dong Wang ,  Yoshihito Iwamoto ,  Koichi Nedachi

IPC分类号： C01F7/00 ,  H01F1/11 ,  H01F1/34 ,  C01G49/00 ,  B01J20/04 ,  B01J20/30 ,  B01J20/02 ,  B01J20/28 ,  C01G37/00 ,  C01G53/00 ,  C02F1/28 ,  C02F101/00 ,  C02F101/10 ,  C02F101/14 ,  C02F101/20 ,  C02F101/22

CPC分类号： H01F1/11 ,  B01J20/0229 ,  B01J20/0277 ,  B01J20/043 ,  B01J20/28009 ,  B01J20/3078 ,  B01J20/3085 ,  C01F7/005 ,  C01G37/006 ,  C01G49/009 ,  C01G53/006 ,  C01P2002/22 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/80 ,  C01P2006/42 ,  C02F1/281 ,  C02F1/288 ,  C02F2101/006 ,  C02F2101/103 ,  C02F2101/105 ,  C02F2101/14 ,  C02F2101/206 ,  C02F2101/22 ,  H01F1/34

摘要： A magnetic hydrotalcite composite which is useful in fields such as wastewater treatment, ultraviolet absorption, electromagnetic wave absorption and acid gas absorption, and a production method thereof. The magnetic hydrotalcite composite comprises an inner layer and an outer layer, in which the inner layer is made of a hydrotalcite compound and the outer layer is made of a ferrite compound.

公开(公告)号：US20180111110A1

公开(公告)日：2018-04-26

申请号：US15559334

申请日：2016-02-24

申请人： Dexerials Corporation

发明人： Masato Hasegawa ,  Ryu Shimada

IPC分类号： B01J20/24 ,  C02F1/64 ,  C02F1/52 ,  C02F11/14

CPC分类号： B01J20/24 ,  C02F1/52 ,  C02F1/5263 ,  C02F1/56 ,  C02F1/64 ,  C02F11/14 ,  C02F2101/103 ,  C02F2101/14 ,  C02F2101/20 ,  C02F2101/203 ,  C02F2101/22

摘要： Provided is a filtration aid used when filtering, for example, sludge generated in a purification treatment process for water such as industrial wastewater and including a pulverized product of Corchorus olitorius, wherein a median diameter of the pulverized product is 150 micrometers or greater.

公开(公告)号：US09809466B2

公开(公告)日：2017-11-07

申请号：US13482564

申请日：2012-05-29

申请人： Ashutosh Sharma ,  Nishith Verma ,  Ajit Kumar Sharma

发明人： Ashutosh Sharma ,  Nishith Verma ,  Ajit Kumar Sharma

IPC分类号： B01J37/00 ,  C02F1/42 ,  C02F1/28 ,  B82Y30/00 ,  B01J20/22 ,  B01J20/28 ,  B01J20/30 ,  C02F1/44 ,  C02F1/50 ,  C02F101/10 ,  C02F101/14 ,  C02F101/20 ,  B82Y40/00

CPC分类号： C02F1/288 ,  B01J20/223 ,  B01J20/28004 ,  B01J20/28007 ,  B01J20/28019 ,  B01J20/3021 ,  B01J20/3078 ,  B01J20/3085 ,  B82Y30/00 ,  B82Y40/00 ,  C02F1/281 ,  C02F1/283 ,  C02F1/285 ,  C02F1/441 ,  C02F1/505 ,  C02F2101/103 ,  C02F2101/14 ,  C02F2101/20 ,  C02F2303/04 ,  C02F2305/08 ,  C02F2307/06

摘要： Bi-metal nanoadsorbents and methods for their preparation and use are provided. Methods of using bi-metal nanoadsorbents to remove contaminants from samples, such as water, are also provided.

公开(公告)号：US09663375B2

公开(公告)日：2017-05-30

申请号：US14416261

申请日：2013-07-21

申请人： K-TECHNOLOGIES, INC.

发明人： William W. Berry ,  Thomas E. Baroody

IPC分类号： C01B33/00 ,  C01B33/10 ,  B01J41/14 ,  C02F1/42 ,  C01C1/16 ,  C01F7/50 ,  C01B25/222 ,  C05B7/00 ,  B01J41/05 ,  B01J49/57 ,  C02F101/10 ,  C02F101/14 ,  C02F103/10 ,  C02F103/34

CPC分类号： C01B33/103 ,  B01J41/05 ,  B01J41/14 ,  B01J49/57 ,  C01B25/222 ,  C01B33/10 ,  C01C1/162 ,  C01F7/50 ,  C02F1/42 ,  C02F2001/422 ,  C02F2101/105 ,  C02F2101/14 ,  C02F2103/10 ,  C02F2103/34 ,  C02F2303/16 ,  C05B7/00

摘要： In particular, in alternative embodiments, the invention provides for a method to recover silicofluoride and phosphate species from wastewaters, or barometric condenser waters, that are typically utilized in wet-process phosphoric acid facilities. The species are recovered via a continuous ion exchange approach that allows for economic recovery of the materials and especially with the silicofluoride component allows for the production of valuable industrial materials such as hydrofluoric acid and other fluoride salts as well as industrial-grade precipitated silica materials. Return of the treated waste water to the phos-acid plant allows for optimization of reagent usage.

公开(公告)号：US20170129791A1

公开(公告)日：2017-05-11

申请号：US15320744

申请日：2015-07-01

申请人： VOLTEA B.V.

发明人： Albert VAN DER WAL ,  Raúl CUBEDO CASTELLÓ ,  Freddie KERPELS ,  Hank Robert REINHOUDT

IPC分类号： C02F1/461 ,  C02F1/469 ,  C02F5/00

CPC分类号： C02F1/46109 ,  C02F1/4691 ,  C02F5/00 ,  C02F2001/46138 ,  C02F2101/103 ,  C02F2101/14 ,  C02F2101/163 ,  C02F2103/003 ,  C02F2103/023 ,  C02F2103/04 ,  C02F2103/06 ,  C02F2103/10 ,  C02F2103/28 ,  C02F2103/42 ,  C02F2201/4618 ,  H01G11/24 ,  H01G11/28 ,  H01G11/38

摘要： A method to prepare a coated current collector electrode of a flow through capacitor. The method includes preparing a coating paste includes: 10-50 weight % of carbon having a specific surface area of at least 500 m2/g; 0.3-5 weight % of a binder; 10-50 weight % based on the total paste of a first solvent having a first boiling point; and 10-50 weight % based on the total paste of a second solvent having a second boiling point. The method further includes applying the coating paste on a current collector; and allowing the second solvent in the coating paste applied on the current collector to evaporate at a temperature lower than the first boiling point.

公开(公告)号：US09618438B2

公开(公告)日：2017-04-11

申请号：US13937918

申请日：2013-07-09

申请人： ClearCorp

发明人： Roger M. Jorden

IPC分类号： G01N15/02 ,  G01N33/18 ,  G01N1/20 ,  G01N1/10 ,  C02F1/52 ,  C02F101/10 ,  C02F101/14 ,  C02F101/20

CPC分类号： G01N15/0227 ,  C02F1/5209 ,  C02F2101/103 ,  C02F2101/105 ,  C02F2101/14 ,  C02F2101/20 ,  C02F2209/003 ,  C02F2209/006 ,  C02F2209/44 ,  C02F2303/04 ,  G01N1/2035 ,  G01N33/18 ,  G01N2001/1012

摘要： A system and method for isolating and analyzing a water sample in a water processing facility are disclosed. The system uses a chamber for receiving and isolating the water sample from the main water treatment process. An optical detector views and characterizes the particles in a region of the chamber. An analyzer coupled to the optical detector compares the characterized suspended particles at a first time and at with the characterized suspended particles at a second time to produce a report showing suspended particle size as a function of time.