Patents by Inventor Xuefei Zhou
Xuefei Zhou 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).
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Patent number: 11795089Abstract: A resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets, includes a urine-faeces division toilet, a urine and gray water treatment system, and a fermentation and biodegradation fecal system. The urine-faeces division toilet is configured to separate and recover urine and feces discharged by users. The urine and gray water treatment system includes an adjusting pool, a microalgae culture device and a metal-based electrogenerated dynamic membrane. The adjusting pool is configured to receive the urine in the urine-faeces division toilet and domestic sewage, and adjust a urine-to-domestic sewage ratio. The metal-based electrogenerated dynamic membrane includes a metal microfiltration membrane, a stainless-steel mesh and a power supply. The fermentation and biodegradation fecal system includes a collection and adjusting device, a fermentation bed and a biodegradation chamber.Type: GrantFiled: October 30, 2020Date of Patent: October 24, 2023Assignee: TONGJI UNIVERSITYInventors: Xuefei Zhou, Yalei Zhang, Wenjun Yin, Zhenjiang Yu, Jiabin Chen, Wei Zhang, Yue Xu
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Publication number: 20220410034Abstract: An alternating cascaded system for high-salinity wastewater treatment includes a pollutant removal system and an alternating cascaded water conveyance system embedded in the pollutant removal system. The pollutant removal system includes four partition plates, a pollutant removal zone and a discharge sump; and the alternating cascaded water conveyance system includes feed water distribution channels disposed under a feed water conveyer pipe and on an outer wall of a first pollutant removal subzone, cleaning water distribution channels disposed on an outer wall of a third pollutant removal subzone and located under a cleaning water pipe, and a purified water discharge pipe and a cleaning water discharge pipe that are located in the discharge sump and axially have a same discharge direction from top to bottom.Type: ApplicationFiled: October 26, 2021Publication date: December 29, 2022Inventors: Yalei ZHANG, Xuefei ZHOU, Lei WANG, Yinchuan YANG, Jiabin CHEN, Xinmiao ZHANG
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Publication number: 20220411286Abstract: A high salinity wastewater treatment system is provided according to the present application, which includes a hydrogel loading system and a flow-storage different-oriented-inlet-and-outlet system. The hydrogel loading system includes six separation plates, a wastewater treatment area, a water distribution bin, a rotating shaft, a driving motor and a fixed bracket. The six separation plates evenly separate the wastewater treatment area into six separate treatment sectors in an axial direction. The six separate treatment sectors are filled with hydrogel materials with water purification effect. The high salinity wastewater infiltrates into each separate treatment sector one by one through high salinity wastewater inlet meshes on a surface of the wastewater treatment area, and the purified high salinity wastewater is discharged through a wastewater cleaning outlet pipe with a same water inlet direction as a cleaning filler distribution pipe.Type: ApplicationFiled: June 28, 2022Publication date: December 29, 2022Inventors: Yalei Zhang, Xuefei Zhou, Yinchuan Yang, Jiabin Chen, Lei Wang, Xinmiao Zhang, Wenbiao Wang, Yegang Chen
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Patent number: 11485651Abstract: A movably-connected and continuously-connected apparatus for uninterrupted high-salinity wastewater purification includes a high-salinity wastewater adsorption treatment system and a movably-connected drainage system embedded in the treatment system. The high-salinity wastewater adsorption treatment system includes four purification zone partition plates, a hollow cylindrical purification zone, a cylindrical water distribution sump located in an axial center of the purification zone, a rotating shaft, a motor, a fixed support and a water tank; the four purification zone partition plates include a first partition plate forming an angle of 135° with a horizontal direction from left to right, a second partition plate forming an angle of 45° with the horizontal direction from left to right, a third partition plate forming an angle of 135° with a vertical direction from bottom to top and a fourth partition plate forming an angle of 135° with the vertical direction from bottom to top.Type: GrantFiled: October 26, 2021Date of Patent: November 1, 2022Assignee: TONGJI UNIVERSITYInventors: Yalei Zhang, Xuefei Zhou, Jiabin Chen, Yinchuan Yang, Lei Wang, Xinmiao Zhang, Wenbiao Wang, Yegang Chen
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Publication number: 20220119599Abstract: A hybrid hydrogel carrier for high-salinity wastewater treatment and a preparation method thereof are disclosed. The hybrid hydrogel carrier includes a functional microorganism and a conductive hydrogel carrier, wherein the functional microorganism is a halotolerant species; the conductive hydrogel carrier is a compatible conductive hybrid hydrogel, and magnetic triiron tetraoxide (Fe3O4) particles and a compatible substance are uniformly distributed on the surface and inside.Type: ApplicationFiled: December 24, 2020Publication date: April 21, 2022Applicant: Tongji UniversityInventors: Yalei ZHANG, Xuefei ZHOU, Xiaogang YOU, Jiabin CHEN, Tao ZHANG, Yinchuan YANG
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Publication number: 20210130212Abstract: A resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets, includes a urine-faeces division toilet, a urine and gray water treatment system, and a fermentation and biodegradation fecal system. The urine-faeces division toilet is configured to separate and recover urine and feces discharged by users. The urine and gray water treatment system includes an adjusting pool, a microalgae culture device and a metal-based electrogenerated dynamic membrane. The adjusting pool is configured to receive the urine in the urine-faeces division toilet and domestic sewage, and adjust a urine-to-domestic sewage ratio. The metal-based electrogenerated dynamic membrane includes a metal microfiltration membrane, a stainless-steel mesh and a power supply. The fermentation and biodegradation fecal system includes a collection and adjusting device, a fermentation bed and a biodegradation chamber.Type: ApplicationFiled: October 30, 2020Publication date: May 6, 2021Applicant: Tongji UniversityInventors: Xuefei ZHOU, Yalei ZHANG, Wenjun YIN, Zhenjiang YU, Jiabin CHEN, Wei ZHANG, Yue XU
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Patent number: 10850998Abstract: A method for treating wastewater containing fluoroquinolone antibiotics by activating peroxyacetic acid heterogeneously with lanthanum ruthenate perovskite (LaRuO3) catalyst. The method includes: adding peroxyacetic acid to wastewater containing ciprofloxacin, mixing to obtain a peroxyacetic acid solution, adjusting a pH of the peroxyacetic acid solution; and adding lanthanum ruthenate perovskite to the peroxyacetic acid solution to obtain a mixed solution, and stirring the mixed solution in a constant temperature shaker, and removing the ciprofloxacin at a normal temperature.Type: GrantFiled: March 27, 2019Date of Patent: December 1, 2020Assignee: TONGJI UNIVERSITYInventors: Xuefei Zhou, Yalei Zhang, Jiabin Chen, Longlong Zhang, Huaqiang Chu, Huichao Guo
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Publication number: 20200207647Abstract: A method for treating wastewater containing fluoroquinolone antibiotics by activating peroxyacetic acid heterogeneously with lanthanum ruthenate perovskite (LaRuO3) catalyst. The method includes: adding peroxyacetic acid to wastewater containing ciprofloxacin, mixing to obtain a peroxyacetic acid solution, adjusting a pH of the peroxyacetic acid solution; and adding lanthanum ruthenate perovskite to the peroxyacetic acid solution to obtain a mixed solution, and stirring the mixed solution in a constant temperature shaker, and removing the ciprofloxacin at a normal temperature.Type: ApplicationFiled: March 27, 2019Publication date: July 2, 2020Applicant: Tongji UniversityInventors: Xuefei ZHOU, Yalei ZHANG, Jiabin CHEN, Longlong ZHANG, Huaqiang CHU, Huichao GUO
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Patent number: 9464022Abstract: A method of transforming biomass into lactic acid using modified beta zeolites is disclosed. The one-step preparation process of preparing catalyst in the invention is mild, economical and convenient. The biomass used as precursor is economic and easy to get. Meanwhile, the reaction process doesn't need to be protected by noble gases with high pressure. The catalyst can be reused and the yield of lactic acid is high.Type: GrantFiled: October 30, 2015Date of Patent: October 11, 2016Assignee: TONGJI UNIVERSITYInventors: Yalei Zhang, Zheng Shen, Wenjie Dong, Xuefei Zhou
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Publication number: 20160046555Abstract: A method of transforming biomass into lactic acid using modified beta zeolites is disclosed. The one-step preparation process of preparing catalyst in the invention is mild, economical and convenient. The biomass used as precursor is economic and easy to get. Meanwhile, the reaction process doesn't need to be protected by noble gases with high pressure. The catalyst can be reused and the yield of lactic acid is high.Type: ApplicationFiled: October 30, 2015Publication date: February 18, 2016Inventors: Yalei ZHANG, Zheng SHEN, Wenjie DONG, Xuefei ZHOU
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Patent number: 8877486Abstract: An airlift circulation micro-algae photoautotrophic-heterotrophic coupling photobioreactor for wastewater treatment carbon emission mitigation includes feeding pipe, micro-algae heterotrophic zone, gas-liquid separation chamber, micro-algae phototrophic zone, bottom backflow zone, discharge pipe, and the liquid drained zone.Type: GrantFiled: March 29, 2010Date of Patent: November 4, 2014Assignee: Tongji UniversityInventors: Yalei Zhang, Xuefei Zhou, Hongyang Su, Xiao Chen, Chunmin Zhang, Jinpeng Li
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Patent number: 8772538Abstract: A process for producing formic acid by hydrothermal oxidation reaction with glycerol and their equipment, wherein glycerol and oxidant are subjected to a hydrothermal oxidation reaction, air, oxygen or H2O2 as oxidant, at a temperature in the range of 150 to 450° C. and under pressure equal to or more than the saturated vapor pressure at the temperature. The glycerol produced from plant fats, animal fats or the like or pure product synthesized chemically or a discharge containing glycerol generated at the production of diesel fuel oil from fats, in which the fats are subjected to a transesterification with alcohol in the presence of an alkali catalyst in order to obtain fatty acid ester is preferably used as a starting material.Type: GrantFiled: October 12, 2012Date of Patent: July 8, 2014Assignee: Tongji UniversityInventors: Yalei Zhang, Zheng Shen, Xuefei Zhou, Min Zhang, Jingfei Zhou
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Patent number: 8349176Abstract: In a kind of modular integrated water purifying device, including reaction tank, sedimentation tank and filter pool, a pump is connected to the top side of the reaction tank through pipes and valves. There are variable grid hole mixing paddles in the reaction tank, forced outlet pipe at the bottom of sedimentation tank and the same-flow ramp board in the middle. The sedimentation water collector is set up below the board, with the purified water outlet tube connected. The traveling sludge sucker sits on the top of filter tank and move back and forth. Blanket-shape filters is vertically fixed in the filteration tank, the mud-suction pump below to the raveling mud-suction machine connects to the mud-suction pipe another side to the blanket-like wedge filters. At the bottom of the filteration tanker lie the water-collecting main pipe and clean water outlet, the effluent weir is fixed inside of the filteration tank.Type: GrantFiled: March 29, 2010Date of Patent: January 8, 2013Assignee: Tongji UniversityInventors: Yalei Zhang, Zhiping Kuang, Yisun Chen, Yongkuan Huang, Gu Chen, Xuefei Zhou, Wei Huang, Zheng Shen
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Publication number: 20110155655Abstract: In a kind of modular integrated water purifying device, including reaction tank, sedimentation tank and filter pool, a pump is connected to the top side of the reaction tank through pipes and valves. There are variable grid hole mixing paddles in the reaction tank, forced outlet pipe at the bottom of sedimentation tank and the same-flow ramp board in the middle. The sedimentation water collector is set up below the board, with the purified water outlet tube connected. The traveling sludge sucker sits on the top of filter tank and move back and forth. Blanket-shape filters is vertically fixed in the filteration tank, the mud-suction pump below to the raveling mud-suction machine connects to the mud-suction pipe another side to the blanket-like wedge filters. At the bottom of the filteration tanker lie the water-collecting main pipe and clean water outlet, the effluent weir is fixed inside of the filteration tank.Type: ApplicationFiled: March 29, 2010Publication date: June 30, 2011Applicant: TONGJI UNIVERSITYInventors: Yalei Zhang, Zhiping Kuang, Yisun Chen, Yongkuan Huang, Gu Chen, Xuefei Zhou, Wei Huang, Zheng Shen
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Publication number: 20110159581Abstract: An airlift circulation micro-algae photoautotrophic-heterotrophic coupling photobioreactor for wastewater treatment carbon emission mitigation includes feeding pipe, micro-algae heterotrophic zone, gas-liquid separation chamber, micro-algae phototrophic zone, bottom backflow zone, discharge pipe, and the liquid drained zone.Type: ApplicationFiled: March 29, 2010Publication date: June 30, 2011Applicant: TONGJI UNIVERSITYInventors: Yalei ZHANG, Xuefei ZHOU, Hongyang SU, Xiao CHEN, Chunmin ZHANG, Jinpeng LI