Patents by Inventor Zijun Xia
Zijun Xia has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10968118Abstract: The invention concerns a subsea water processing system comprising an electrochemical unit that uses raw or treated seawater to generate high pH and low pH solutions that are used to clean at least one subsea process apparatus during a cleaning cycle by circulation through the at least one subsea process apparatus via acid or base flow lines connecting the electrochemical unit with the subsea process apparatus on-site.Type: GrantFiled: July 20, 2016Date of Patent: April 6, 2021Assignee: VETCO GRAY SCANDINAVIA ASInventors: Hua Wang, Zijun Xia, Jose Luis Plasencia Cabanillas
-
Publication number: 20200231466Abstract: Described herein are systems and methods of analyzing data acquired from a water plant, both historical and in real-time, making determinations about process and asset health diagnosis and anomaly detection using advanced techniques, and controlling the plant and/or providing alerts based on such determinations.Type: ApplicationFiled: October 9, 2017Publication date: July 23, 2020Inventors: Su LU, Zijun XIA, Zhaoyang WAN, Yu WANG, Xijing BI, Guoliang WANG, Chuanyou TANG, Zhiping ZHU, Wenchao MA, Qin DONG, Sijing WANG, Yisong LI, Jiajia LING
-
Publication number: 20200070093Abstract: An electrodialysis cell includes a housing defining an internal chamber, a core positioned within the internal chamber, a first electrode positioned in the internal chamber adjacent the housing, a second electrode coupled to the core and spaced from the first electrode, and a membrane assembly positioned between the first and second electrodes in a spiral wound configuration. The housing includes an inlet end for receiving a feed fluid and an outlet end in fluid communication with the inlet end. The membrane assembly includes a plurality of ion exchange membranes spaced from each other to define a plurality of fluid channels between the inlet and outlet ends.Type: ApplicationFiled: March 1, 2017Publication date: March 5, 2020Inventors: Zijun XIA, Chengqian ZHANG, Wujun RONG, Yongchang ZHENG, Bruce BATCHELDER, John H. BARBER, Lei CAO, Hua WANG, David Michael STACHERA, Bo YAN
-
Patent number: 10294129Abstract: A water treatment system comprises at least one electrolytic cell comprising at least one electrode and a power source for powering the electrode. The electrode may be a metal electrode comprising a coating of polymer comprising structural units of formula I (I) wherein R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3M wherein M is independently at each occurrence a hydrogen or an alkali metal a hydrogen or an alkali metal, R2 is independently at each occurrence a C1-C6 alkyl radical, a is independently at each occurrence an integer ranging from 0 to 4, and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described.Type: GrantFiled: May 6, 2014Date of Patent: May 21, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Zijun Xia, Caroline Chihyu Sui, Qunjian Huang, Yida Xu, Jeffrey I. Melzer, Wei Lu, Xing Zhang, Yanju Wang, Xiaoan Xie
-
Patent number: 10207939Abstract: A water treatment system comprises an electrolytic cell comprising: a first electrode; a second electrode comprising a coating of polymer comprising structural units of formula I and a power source for powering the first and the second electrodes; wherein R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3H; R2 is independently at each occurrence a C1-C6 alkyl radical; a is independently at each occurrence an integer ranging from 0 to 4; and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described.Type: GrantFiled: December 9, 2013Date of Patent: February 19, 2019Assignee: BL TECHNOLOGIES, INC.Inventors: Zijun Xia, Qunjian Huang, Chihyu Caroline Sui, Jianhua Fang, Xiaoan Xie
-
Publication number: 20180251386Abstract: The invention concerns a subsea water processing system comprising an electrochemical unit that uses raw or treated seawater to generate high pH and low pH solutions that are used to clean at least one subsea process apparatus during a cleaning cycle by circulation through the at least one subsea process apparatus via acid or base flow lines connecting the electrochemical unit with the subsea process apparatus on-site.Type: ApplicationFiled: July 20, 2016Publication date: September 6, 2018Inventors: Hua WANG, Zijun XIA, Jose Luis PLASENCIA
-
Publication number: 20180170774Abstract: A method of reducing the organic compounds in an aqueous stream by generating an oxidant in-situ using at least one electrolytic cell. The method may comprise contacting at least a portion of the aqueous stream with the electrolytic cell. The electrolytic cell may have at least two electrodes, wherein at least one electrode is a metal electrode and, a power source for powering the at least two electrodes. A water treatment system for generating an oxidant in-situ comprising at least one electrolytic cell. The electrolytic cell may have at least two electrodes, wherein at least one electrode is a metal electrode, and a power source for powering the at least two electrodes. A method of improving the rejection rate of a reverse osmosis membrane using an oxidant generated in-situ. The method may comprise contacting at least a portion of the aqueous stream with the electrolytic cell thereby creating an oxidized aqueous stream.Type: ApplicationFiled: December 31, 2014Publication date: June 21, 2018Inventors: Zijun Xia, Caroline Chihyu Sui, Yida Xu, Xing Zhang, Qunjian Huang, Stephen Robert Vasconcellos, Michael Brian Salerno
-
Patent number: 9828270Abstract: A treatment system is provided and comprises a precipitation unit and a recovery unit. The precipitation unit is configured to treat a solution using one or more miscible organic solvents to produce a mixture of precipitate solids and a liquid. The recovery unit is in fluid communication with the precipitation unit and configured to facilitate separating the liquid at least into an organic phase liquid and an aqueous phase liquid comprising a portion of the one or more miscible organic solvents. The treatment system further comprises a purification unit comprising one or more membrane devices in fluid communication with the recovery unit and configured to separate at least a portion of the one or more miscible organic solvents in the aqueous phase liquid from the aqueous phase liquid. A treatment system and a treatment process are also presented.Type: GrantFiled: July 2, 2010Date of Patent: November 28, 2017Assignee: General Electric CompanyInventors: Jiyang Xia, Rihua Xiong, Wei Cai, Wenqing Peng, Zijun Xia, Yiwen Sun
-
Publication number: 20170073251Abstract: A water treatment system comprises at least one electrolytic cell comprising at least one electrode and a power source for powering the electrode. The electrode may be a metal electrode comprising a coating of polymer comprising structural units of formula I (I) wherein R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3M wherein M is independently at each occurrence a hydrogen or an alkali metal a hydrogen or an alkali metal, R2 is independently at each occurrence a C1-C6 alkyl radical, a is independently at each occurrence an integer ranging from 0 to 4, and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described.Type: ApplicationFiled: May 6, 2014Publication date: March 16, 2017Applicant: GENERAL ELECTRIC COMPANYInventors: Zijun XIA, Caroline Chihyu SUI, Qunjian HUANG, Yida XU, Jeffrey I. Melzer, Wei LU, Xing ZHANG, Yanju WANG, Xiaoan XIE
-
Patent number: 9434630Abstract: A water treatment device including an electro-coagulation (EC) unit for treating a stream of feed water to produce a stream of EC treated water of lower salinity than the stream of feed water, an electrical separation unit for treating the stream of EC treated water to obtain a stream of product water of lower salinity than the EC treated water, and a precipitation unit for providing a stream of wash water to wash the electrical separation unit and become a stream of reject water flowing back to the precipitation unit, wherein precipitation in the precipitation unit produces the stream of wash water of lower salinity than the stream of reject water.Type: GrantFiled: November 9, 2012Date of Patent: September 6, 2016Assignee: General Electric CompanyInventors: Zijun Xia, Wei Cai, Rihua Xiong, Chengqian Zhang, Jiyang Xia, Andrew Jon Zaske
-
Publication number: 20160228866Abstract: A method for cross-linking a styrenic polymer, the method comprising providing a partly sulphonated styrenic polymer and cross-linking the partly sulphonated styrenic polymer in the presence of a polyphosphoric acid.Type: ApplicationFiled: April 15, 2016Publication date: August 11, 2016Inventors: Zijun Xia, Jianhua Fang, Russell James MacDonald, SU Lu, Hai Yang, John Harold Barber
-
Publication number: 20150344333Abstract: A water treatment system comprises an electrolytic cell comprising: a first electrode; a second electrode comprising a coating of polymer comprising structural units of formula I and a power source for powering the first and the second electrodes; wherein R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3H; R2 is independently at each occurrence a C1-C6 alkyl radical; a is independently at each occurrence an integer ranging from 0 to 4; and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described.Type: ApplicationFiled: December 9, 2013Publication date: December 3, 2015Inventors: Zijun XIA, Qunjian HUANG, Chihyu Caroline SUI, Jianhua FANG, Xiaoan XIE
-
Publication number: 20140311960Abstract: A water treatment device including an electro-coagulation (EC) unit for treating a stream of feed water to produce a stream of EC treated water of lower salinity than the stream of feed water, an electrical separation unit for treating the stream of EC treated water to obtain a stream of product water of lower salinity than the EC treated water, and a precipitation unit for providing a stream of wash water to wash the electrical separation unit and become a stream of reject water flowing back to the precipitation unit, wherein precipitation in the precipitation unit produces the stream of wash water of lower salinity than the stream of reject water.Type: ApplicationFiled: November 9, 2012Publication date: October 23, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Zijun Xia, Wei Cai, Rihua Xiong, Chengqian Zhang, Jiyang Xia, Andrew Jon Zaske
-
Patent number: 8864911Abstract: A method for removing ionic species from a desalination unit, comprises: (a) circulating a wash stream in a closed loop comprising a desalination unit and a precipitation unit, the wash stream flowing at a linear velocity of at least 5 cm/second through the desalination unit, the wash stream becoming more saline after passage through the desalination unit; and (b) removing a portion of calcium sulfate from the wash stream by precipitation in the precipitation unit to obtain a supersaturation degree of calcium sulfate in the wash stream entering the desalination unit in a range of from about 1.0 to about 3.0.Type: GrantFiled: March 26, 2009Date of Patent: October 21, 2014Assignee: General Electric CompanyInventors: Rihua Xiong, Wei Cai, Andrew Philip Shapiro, Chengqian Zhang, James Manio Silva, Zijun Xia, Weiming Zhang
-
Publication number: 20140014145Abstract: An electrolysis device is disclosed for producing alkaline water from water including an electrolysis vessel, a positive electrode, a negative electrode, a bipolar membrane element, and at least one cation exchangeable membrane within the electrolysis vessel. The bipolar membrane element has a cation exchangeable side and an anion exchangeable side, the cation exchangeable side being closer to the negative electrode than the anion exchangeable side. The at least one cation exchangeable membrane is arranged between the anion exchangeable side of the bipolar membrane element and the positive electrode, so as to define an alkali chamber between the bipolar membrane element and the cation exchangeable membrane. An ionic exchange resin is associated with the vessel, whereby flow of the water though the vessel and the ionic exchange resin produces alkaline water in the alkali chamber. Various options and modifications are possible. A related washing machine such as a dishwasher is also disclosed.Type: ApplicationFiled: April 1, 2011Publication date: January 16, 2014Applicant: General Electric CompanyInventors: Zijun Xia, Ronald Scott Tarr, Hai Yang, Ramasamy Thiyagarajan, Rihua Xiong, Wei Cai, Chengqian Zhang
-
Publication number: 20130284672Abstract: A method for cross-linking a styrenic polymer, the method comprising providing a partly sulphonated styrenic polymer and cross-linking the partly sulphonated styrenic polymer in the presence of a polyphosphoric acid.Type: ApplicationFiled: January 6, 2012Publication date: October 31, 2013Inventors: Zijun Xia, Jianhua Fang, Russell James MacDonald, Su Lu, Hai Yang, John Harold Barber
-
Patent number: 8569385Abstract: The present invention provides for a composition comprising a silane having the formula: (R1)(R2)(R3)Si—R4—Si(R5)(R6)(R7) wherein R1, R2, R3, R5, and R6 are each independently selected from the group consisting of 1 to 6 monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 7 to 10 carbons containing an aryl group; R4 is a hydrocarbon group of 1 to 3 carbons; R7 comprises an anionic, cationic or zwitterionic substituent. The silanes of the present invention exhibit resistance to hydrolysis over a wide pH range.Type: GrantFiled: November 29, 2010Date of Patent: October 29, 2013Assignee: Momentive Performance Materials Inc.Inventors: Mark D. Leatherman, George A. Policello, Wenqing N. Peng, Liping Zeng, Ronald Wagner, Suresh K. Rajamaran, Zijun Xia
-
Publication number: 20130263892Abstract: A dishwashing apparatus and a methodology are provided for washing dishware using electrolyzed water to provide alkaline and acidic water for wash and rinse cycles. The water used at the beginning of a pre-wash stage is repeatedly used in plural pre-wash cycles and filtered through sediment and oil filtration between pre-wash cycles. Water from a final rinse cycle is saved for use for future pre-wash cycles. The sediment and oil filtration filter are reversely flushed to regenerate the filtration systems.Type: ApplicationFiled: December 21, 2010Publication date: October 10, 2013Applicant: General Electric CompanyInventors: Ramasamy Thiyagarajan, Ronald Scott Tarr, Hai Yang, Paul Mathew, Chen Wang, Mahesh Kumar Asati, Hui Lei, Zijun Xia, Nikhil Subhashchandra Tambe, Srinivasan Duraiswamy
-
Patent number: 8470894Abstract: The present invention provides for a composition comprising a siloxane having the formula: M1DM2 wherein M1=(R1)(R2)(R3)SiO1/2; M2=(R4)(R5)(R6)SiO1/2 and D=(R7)(Z)SiO2/2 where R1, R2, R3 R4, R5, R6 and R7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R8—RA, R9-RC, and R10—RZ; RA being an anionic substituent, RC a cationic substituent or RZ a zwitterionic substituent on the D group wherein said siloxane has an enhanced resistance to hydrolysis at a pH below 6 or a pH above 7.5.Type: GrantFiled: October 3, 2011Date of Patent: June 25, 2013Assignee: Momentive Performance MaterialsInventors: Mark D. Leatherman, George A. Policello, Wenqing N. Peng, Liping Zheng, Roland Wagner, Suresh K. Rajaraman, Zijun Xia
-
Publication number: 20120325743Abstract: A treatment system is provided and comprises a precipitation unit and a recovery unit. The precipitation unit is configured to treat a solution using one or more miscible organic solvents to produce a mixture of precipitate solids and a liquid. The recovery unit is in fluid communication with the precipitation unit and configured to facilitate separating the liquid at least into an organic phase liquid and an aqueous phase liquid comprising a portion of the one or more miscible organic solvents. The treatment system further comprises a purification unit comprising one or more membrane devices in fluid communication with the recovery unit and configured to separate at least a portion of the one or more miscible organic solvents in the aqueous phase liquid from the aqueous phase liquid. A treatment system and a treatment process are also presented.Type: ApplicationFiled: July 2, 2010Publication date: December 27, 2012Inventors: Jiyang Xia, Rihua Xiong, Wei Cai, Wenqing Peng, Zijun Xia, Yiwen Sun