Patents Assigned to East China University of Science and Technology
  • Publication number: 20240219277
    Abstract: A method and a system for evaluating stress corrosion cracking sensitivity of a welded component are provided. The method includes performing an in-situ tensile test on a welded component to be tested to obtain mechanical property parameters of each zone of the welded component to be tested; determining sizes and positions of notch specimens of the welded component to be tested by means of a finite element simulation method; processing specimens of the welded component to be tested; respectively performing a slow strain rate tensile test on the specimens of the welded component to be tested until the specimens are fractured in both an inert environment and a test environment, so as to obtain reductions of area of notch roots of the specimens of the welded component to be tested; and calculating stress corrosion cracking sensitivities of various zones of the welded component to be tested.
    Type: Application
    Filed: July 19, 2023
    Publication date: July 4, 2024
    Applicants: East China University of Science and Technology, Shandong Chambroad Holding Group Co., Ltd, SD Chambroad EQPT MFG and Installation Co., Ltd
    Inventors: Yuhui HUANG, Yunsheng MA, Fangxin YANG, Fuzhen XUAN, Shantung TU, Liqiu ZHAO, Shengke WEI
  • Patent number: 12017939
    Abstract: An oily sewage pretreatment method without air flotation, comprising the following steps: (a) sedimentation separation: performing sedimentation separation on oily sewage to implement preliminary separation of oil, sludge, and water; (b) boiling bed separation: performing boiling bed separation on the oily sewage obtained by the preliminary separation to further remove dispersed oil, sludge, and sand from the oily sewage; (c) shape coalescence separation: performing shape coalescence separation on the oily sewage obtained by the boiling bed separation in step (b) to implement demulsification, coalescence, and separation of emulsified oil; and (d) biochemical treatment: the effluent obtained in step (c) directly enters an AOH biochemical system, an air flotation unit is omitted. Also disclosed is an oily sewage pretreatment apparatus without air flotation.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: June 25, 2024
    Assignees: Shanghai Huachang Environmental Protection Co., Ltd., Sichuan University, East China University of Science and Technology
    Inventors: Hualin Wang, Yuxiao Sun, Jiandong Hu, Yi Liu, Huiqing Yu, Haiyang Bai, Bichuan Yu, Dun Wang, Xia Jiang, Zhishan Bai, Qiang Yang, Jianqi Chen, Wei Yuan, Qisong Shen
  • Patent number: 12017937
    Abstract: Disclosed is a rotational flow rotation deoiling method for oil-based mud rock debris.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: June 25, 2024
    Assignees: Shanghai Huachang Environmental Protection Co., Ltd., Sichuan University, East China University of Science and Technology
    Inventors: Jiwei Wu, Hualin Wang, Jiake Pan, Xia Jiang, Lixiang Wang, Yuan Huang, Jianping Li, Pengbo Fu, Wenjie Lv
  • Publication number: 20240199820
    Abstract: Disclosed is a method for preparing cellulose and lignin oil by depolymerizing lignocellulose without exogenous hydrogen, including: performing reaction on the lignocellulose dispersed into an aqueous medium at 120° C. to 180° C. under the action of a catalyst; and separating a reaction product to obtain the cellulose and the lignin oil. The catalyst includes a carrier and an active ingredient loaded on the carrier, where the active ingredient is selected from one of platinum, palladium, ruthenium and nickel; the carrier is selected from one of a metal oxide, a metal composite material, silicon dioxide, nitrogen-doped carbon, molybdenum carbide and molybdenum nitride; and the metal oxide is selected from one of niobium oxide, tantalum oxide, tungsten oxide, zirconium oxide, aluminum oxide, titanium dioxide and molybdenum oxide.
    Type: Application
    Filed: March 31, 2023
    Publication date: June 20, 2024
    Applicant: East China University of Science and Technology
    Inventors: Yanqin WANG, Hao ZHOU, Yong GUO, Xiaohui LIU
  • Patent number: 11971376
    Abstract: An experimental technology for detecting a hydrogen bond based on an ssNMR technology includes: (1) exciting a 1H nucleus of an RNA sample with a ?/2 pulse; (2) applying two ? pulses every half rotation period on an X nucleus of the RNA sample; (3) applying a ? pulse on the 1H nucleus of the RNA sample; (4) applying two ? pulses every half rotation period on the X nucleus of the RNA sample; (5) applying a 90° pulse on 1H and X atoms of the RNA sample; r a chemical shift of X in indirect dimension; (7) applying the 90° pulse on the 1H and X nuclei of the RNA sample; (8) repeating steps 2, 3, and 4; and (9) collecting the 1H signal in direct dimension; where X is selected from the group consisting of 15N and 13C.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: April 30, 2024
    Assignee: East China University of Science and Technology
    Inventors: Shenlin Wang, Sha Zhao
  • Patent number: 11965070
    Abstract: The disclosure relates to the field of electronic materials, and in particular to a composite film of fluorinated polybenzoxazole (6FPBO) and triple-shelled mesoporous silica hollow spheres, and to its preparation and use. The composite film comprises fluorinated polybenzoxazole as a matrix and amino-functionalized triple-shelled mesoporous silica hollow spheres which are dispersed in the fluorinated polybenzoxazole matrix. A mass ratio of (amino-functionalized triple-shelled mesoporous silica hollow spheres)/(fluorinated polybenzoxazole) is 1/100 to 5/100. The composite film has excellent thermal stability and a lower dielectric constant.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: April 23, 2024
    Assignee: East China University of Science and Technology
    Inventors: Qixin Zhuang, Zhe Zhang, Xiaoyun Liu, Jian Xu, Wentao Wang, Zeyang Wu, Xiaohan Wu, Lihui Li
  • Patent number: 11963453
    Abstract: A piezoelectric sensor is provided. The piezoelectric sensor comprises a first base, a first conductive layer adjacent to the first base, a second base, a second conductive layer adjacent to the second base; and a first structure between the first conductive layer and the second conductive layer. The first structure comprises a first layer with a first carbon-based material and a plurality of second structures with piezoelectricity. Each of the plurality of second structures comprises a second layer with a second carbon-based material and a third layer adjacent to the second layer. The third layer comprises a material of two-dimensional crystals of unconventional stoichiometries such as Na2Cl crystals.
    Type: Grant
    Filed: August 23, 2023
    Date of Patent: April 16, 2024
    Assignees: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, NINGBO UNIVERSITY
    Inventors: Haiping Fang, Liang Chen, Chaofeng Lv
  • Patent number: 11952540
    Abstract: A method and apparatus for hydrocracking mineralized refuse pyrolysis oil. The method may use the following steps: (a) crushing and pyrolyzing mineralized refuse to obtain arene and alkane precursor biomass oil; (b) hydrogenating the arene and alkane precursor biomass oil obtained in step (a), and separating the obtained hydrocrackate to obtain arene and alkane; and (c) purifying, recovering and optimizing the arene and alkane obtained in step (b), and performing deep processing to produce naphtha, jet fuel, light diesel oil, and heavy diesel oil.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: April 9, 2024
    Assignee: East China University of Science and Technology
    Inventors: Yulong Chang, Hualin Wang, Xia Jiang, Jianping Li, Jingyi Zhu, Pengbo Fu, Wei Yuan
  • Publication number: 20240101974
    Abstract: Embodiments of the present disclosure relate to a D-amino acid oxidase mutant and application in preparing L-glufosinate thereof. The D-amino acid oxidase mutant has an amino acid substitution at at least one of position 62 and position 226 of an amino acid sequence of the D-amino acid oxidase mutant when compared to an amino acid sequence of a D-amino acid oxidase as set forth in SEQ ID NO. 1, the position 62 and position 226 being defined with reference to SEQ ID NO. 1, and the amino acid sequence of the D-amino acid oxidase mutant having at least 90% identity to SEQ ID NO. 1.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 28, 2024
    Applicants: YONGNONG BIOSCIENCES CO., LTD., EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, NINGXIA YONGNONG BIOSCIENCES CO., LTD.
    Inventors: Dongzhi WEI, Hualei WANG, Chengjun WU, Qinghai LIU, Jian ZHANG, Zhonghua LUO, Changlei ZHANG
  • Publication number: 20240104482
    Abstract: An anti-fatigue and safety control method for ultra-long life service structures under extreme environment, comprising: judge the fatigue fracture mode in the long life stage of the service structure; according to the interaction principle of defect-matrix, obtain the internal defect induced fatigue cracking mechanism in ultra-high cycle regime under the service environment; considering the environmental factors, clarify the internal defect-matrix-environment interaction mechanism under service conditions and obtain the environmental weakening coefficient; considering the environmental factors, establish a fatigue life prediction model based on defect-load-life correlation under service conditions in ultra-high cycle regime; the process parameters of material metallurgy and manufacturing, design parameters of structural strength, structural service stress and environmental parameters are regulated based on the concept of integrated design/manufacturing.
    Type: Application
    Filed: July 27, 2023
    Publication date: March 28, 2024
    Applicant: East China University of Science and Technology
    Inventors: Mingliang ZHU, Fuzhen XUAN, Gang ZHU, Shan-Tung TU
  • Patent number: 11918992
    Abstract: The present application discloses a multi-region plasma shell-and-tube reactor comprising a shell body. At least two reaction regions are provided inside the shell body, and a horizontal separation panel is provided between any two adjacent reaction regions, used to separate the two and passing through the tubes. A central hole is provided in the center of any horizontal separation panel, and at least one auxiliary hole distributed around the central axis of the central hole is provided in any horizontal separation panel so as to cooperate with the central hole to cause a vortex state to be formed in a reaction region.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 5, 2024
    Assignees: ZHEJIANG WYNCA CHEMICAL INDUSTRY GROUP CO., LTD, EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Zhenmin Cheng, Shengbao Jiang, Shenluan Yu, Shuguang Zhou, Minhai Tu, Long Qin, Zhichao Jin, Zibin Huang, Meichen Chen, Peiqing Yuan
  • Publication number: 20240058773
    Abstract: The invention provides a device for enhancing liquid-liquid emulsification. The device includes a jet part and a mixing part connected to the jet part. The jet part includes a feed tee for feeding major and dispersed phases, wherein the feed tee includes a first port, a second port, and a third port. The first port is used for feeding the major phase, and the second port is equipped with an ejector for feeding the dispersed phase. The ejector consists of an ejector housing and an ejector inlet section, as well as a spiral structure, a flow-guided structure, and an ejector pin structure that are connected sequentially. The mixing part includes a mixer comprising a cylindrical mixer shell, a mixer inlet section, a mixer outlet section, as well as a spiral section, a cavity section, and a variable diameter section for enhancing emulsion breakup and dispersion. A method for enhancing liquid-liquid emulsification is also disclosed.
    Type: Application
    Filed: March 25, 2021
    Publication date: February 22, 2024
    Applicant: East China University of Science and Technology
    Inventors: Hao LU, Qiang YANG, Yudong LI, Yiqian LIU, Pinyi DAI, Shihan WU
  • Patent number: 11905369
    Abstract: The present invention relates to a strong base-initiated N-carboxyanhydride rapid ring-opening polymerisation method. Specifically, the method comprises steps of: performing a polymerisation reaction with one or more amino acid N-carboxyanhydride monomers in an organic solvent in the presence of an initiator, so as to form an amino acid polymer, wherein the initiator is selected from the following group: LiHMDS, NaHMDS, KHMDS, or a combination thereof. The method significantly increases the speed of traditional NCA polymerisation and prepares a long-chain polymer, and the prepared amino acid polymer may be used as an anti-bacterial material, an anti-tumour material, a tissue engineering scaffold or a self-assembling material.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: February 20, 2024
    Assignee: East China University of Science and Technology
    Inventors: Runhui Liu, Yueming Wu
  • Patent number: 11904423
    Abstract: Provided is a bilateral ultrasonic rolling processing track coordination method for a blade surface, the method comprising: step S1, performing layering processing on a blade to acquire a contour curve of “A”-shaped and “n”-shaped blade edges of a blade model at different heights; step S2: determining the endpoints of a blade processing track; and step S3: planning the thickness and the rotation angle of the blade, comprising: step S31, solving a main direction angle ?main of the contour curve; step S32, solving the thickness d of the blade; step S33, solving a rotation angle required by blade processing when the blade edge is “A”-shaped; and step S34, solving the rotation angle required by blade processing when the blade edge is “n”-shaped. According to the method, blade deformation generated by an ultrasonic rolling force is reduced, the processing efficiency is improved, and the blade processing precision is also improved.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: February 20, 2024
    Assignee: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Xiancheng Zhang, Kaiming Zhang, Shulei Yao, Shuang Liu, Feng Cheng, Shantung Tu
  • Patent number: 11857897
    Abstract: The present disclosure relates to a gas cooling-scrubbing apparatus and an associated method. There is provided a gas cooling-scrubbing apparatus, comprising: a cyclone jet scrubbing unit, a spray scrubbing unit, a filtering spray unit, and a coalescing dehydration unit, wherein the cyclone jet scrubbing unit comprises a cyclone jet scrubbing monopipe (2), a cyclone jet cooling water pipe (15), a cyclone jet pipe plate (14) and a cyclone jet overflow pipe (13); wherein the spray scrubbing unit comprises a spray filtering pipe (3), a spray pipe plate (11), a spray overflow pipe (12), a scrubbing nozzle (9) and a scrubbing nozzle water pipe (10); wherein the filtering spray unit comprises a filtering bed (4), a spray head (7) and a spray water pipe (8); and wherein the coalescing dehydration unit comprises a coalescing bed (5). There is also provided a gas cooling-scrubbing method.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: January 2, 2024
    Assignee: East China University of Science and Technology
    Inventors: Zhishan Bai, Fuwei Lv, Xiao Dong
  • Publication number: 20230414837
    Abstract: Disclosed are a polypeptide polymer-doped bone marrow cavity filler and the use thereof in the treatment of osteomyelitis, wherein the polypeptide polymer is used for being doped in a bone marrow cavity filler or preparing a bone marrow cavity filling antibacterial material for treating osteomyelitis, has efficient antibacterial activity on common staphylococcus aureus, etc., in osteomyelitis, is not easy to induce bacteria to generate drug resistance, has good biocompatibility in environments such as bone marrow and blood, has good stability, and still keeps activity after forming heat release and even the autoclaving of bone cement.
    Type: Application
    Filed: November 16, 2021
    Publication date: December 28, 2023
    Applicants: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, SHANGHAI FIRST PEOPLE'S HOSPITAL
    Inventors: Runhui Liu, Haodong Lin, Yueming Wu
  • Patent number: 11827990
    Abstract: A dual-membrane on-line generator for an acid or alkali solution is provided, including an upper electrolytic cell body (3), a middle electrolytic cell body (4) and a lower electrolytic cell body (5) which are clamped by an upper fastening steel plate (1) and a lower fastening steel plate (2), an upper regeneration liquid channel (A), a middle eluent channel (B) and a lower regeneration liquid channel (C) being provided on the middle electrolytic cell body (4).
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: November 28, 2023
    Assignees: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, SHIMADZU (CHINA) CO., LTD.
    Inventors: Bingcheng Yang, Feifang Zhang, Yifei Lu, Liting Zhou, Shujun Huang
  • Publication number: 20230339785
    Abstract: The present disclosure relates to a deep purification device and method for methanol-to-olefin washing water. Provided is a deep purification device for methanol-to-olefin washing water, comprising: a quench tower (1-1), a water washing tower (1-2) connected to an outlet at the top of the quench tower (1-1), a boiling bed separator (1-3) having the top thereof connected to the bottom of the water washing tower (1-2), a fiber coalescer (1-4) connected to the bottom of the boiling bed separator (1-3), and a buffer settling tank (1-5) connected to the sidewall of the boiling bed separator (1-3) at a position near the top. Further provided is a deep purification method for methanol-to-olefin washing water.
    Type: Application
    Filed: September 17, 2020
    Publication date: October 26, 2023
    Applicants: East China University of Science and Technology, Shanghai Huachang Environmental Protection Co., Ltd, Shaanxi Petroleum Yanan Energy Chemical Industry Limited Liability Company
    Inventors: Jianqi CHEN, Hualin WANG, Wenjie LV, Ting LEI, Liang CHEN, Tianxiang WANG, Xiaobin XUE, Bing LIU, Xin CUI, Weichi SANG, Jinsong WANG, Jinlan FENG, Hongpeng MA, Wei YUAN, Bin HU, Yujie JI
  • Publication number: 20230324373
    Abstract: Disclosed in the present invention are a pyruvic acid optical probe, a preparation method therefor, and an application thereof. One aspect of the present invention is the disclosure of an optical probe, which includes a pyruvic acid-sensitive polypeptide and an optically active polypeptide, wherein the optically active polypeptide is located within the sequence of the pyruvic acid-sensitive polypeptide. The present invention also discloses a preparation method for the probe and an application of said probe in pyruvic acid measurement.
    Type: Application
    Filed: February 9, 2021
    Publication date: October 12, 2023
    Applicant: East China University of Science and Technology
    Inventors: Yi Yang, Yuzheng Zhao, Xie Li, Zeyi Zhang, Xiuze Zhang, Li Huang
  • Patent number: 11766665
    Abstract: Disclosed is a method for efficiently synthesizing primary amines, which comprises using carbonyl compounds or alcohol compounds as reaction substrate, liquid ammonia or alcohol solutions of ammonia as nitrogen source, and hydrogen as hydrogen source, and reacting in reaction medium catalyzed by a cobalt-based catalyst to obtain the primary amines. Due to high catalytic activity, the method can realize the reductive amination of carbonyl compounds and the hydrogen-borrowing amination of alcohol compounds at low temperatures in a short time to obtain the primary amines with high yield, and is applicable to a wide range of substrates. The obtained primary amines can be used as raw materials with high extra value for producing polymers, medicines, dyes and surfactants. Further, the cobalt-based catalyst has a good industrial application prospect because it is magnetic which can facilitate separation and recycling of the catalyst.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: September 26, 2023
    Assignee: East China University of Science and Technology
    Inventors: Yanqin Wang, Wanjun Guo, Shuang Xiang, Xiaohui Liu, Yong Guo