公开(公告)号：US20230002692A1

公开(公告)日：2023-01-05

申请号：US17853426

申请日：2022-06-29

Applicant: Kunming University of Science and Technology

Inventor： Yi MEI ,  Chi ZHAI ,  Yunxiang NIE ,  Jupei XIA ,  Delong XIE ,  Yuanzhi ZHU ,  Ping LONG

IPC: C10J3/84 ,  C01B3/02 ,  C01B3/52 ,  C01B25/00 ,  C01B25/047 ,  C10J3/52

Abstract: A system for combined production of yellow phosphorous and syngas is disclosed. The air separation unit, the pulverized coal preparation unit and the mineral aggregate forming unit are respectively connected to a gas inlet and a top feeding port of the phosphorus coal gasifier; phosphorus-containing syngas obtained from phosphorus coal gasifier is connected to a gas inlet of the separating washing unit through an outlet of the phosphorous coal gasifier; Yellow phosphorus products and crude syngas are respectively output from the output port of the separating washing unit; and then the crude syngas is purified to obtain refined syngas. A slag discharge port at the bottom of the phosphorus coal gasifier is connected to an input port of a slag cold quenching unit. The system can improve the available energy of yellow phosphorous production, the production capacity of yellow phosphorus and the yield of syngas, and reduce CO2 emission.

公开(公告)号：US20220396507A1

公开(公告)日：2022-12-15

申请号：US17663238

申请日：2022-05-13

Applicant: Kunming University of Science and Technology

Inventor： Yingjie LI ,  Senlin TIAN ,  Huaying LIU ,  Maoze HOU ,  Yina TU ,  Qun ZHAO

IPC: C02F1/72 ,  C07F17/02 ,  C07F15/02

Abstract: Disclosed is a method for degrading antibiotics by aqueous phase transfer catalysis using an anionic liquid and hydrogen peroxide, including: adding hydrogen peroxide to a wastewater containing the antibiotics to obtain a first mixture, and adjusting a pH of the first mixture to 3-4 to form an aqueous phase, and adding a catalyst to a water-insoluble ionic liquid to obtain a second mixture, and stirring the second mixture to form an ionic liquid phase, wherein the catalyst is selected from the group consisting of ferrocene, iron dodecyl sulfonate, ferrous dodecyl sulfonate, and copper dodecyl sulfonate; and mixing the aqueous phase and the ionic liquid phase in a volume ratio of (8-11):1 to obtain a mixed phase, and stirring the mixed phase to degrade the antibiotics.

公开(公告)号：US20220341590A1

公开(公告)日：2022-10-27

申请号：US17398531

申请日：2021-08-10

Applicant: Kunming University of Science and Technology

Inventor： Qiulin Zhang ,  Ping Ning ,  Lianyun Gao ,  Jianjun Chen ,  Tianrun Shao

IPC: F23G7/07 ,  F28D7/00 ,  F23K1/00 ,  F23C13/04

Abstract: The present disclosure provides a graded oxygen regulating, explosion preventing and recycling system and method for liquid nitrogen wash tail gas, and relates to the technical field of environmental protection and energy utilization. The system provided by the present disclosure includes a multi section catalytic combustor, the multi-section catalytic combustor being divided into a first-section catalytic combustion region, a second-section catalytic combustion region, and a third-section catalytic combustion region, the first-section catalytic combustion region and the second-section catalytic combustion region being internally filled with multiple layers of catalysts that are disposed at intervals, and an air flow guide pipe being arranged above each layer of catalyst; a first-section heat exchanger communicating with the first-section catalytic combustion region; a second-section heat exchanger communicating with the second-section catalytic combustion region; a pulverized coal drying section communicating with the second-section heat exchanger; and a boiler section communicating with the third-section catalytic combustion region.

公开(公告)号：US11445580B2

公开(公告)日：2022-09-13

申请号：US16839195

申请日：2020-04-03

Applicant: Kunming University of Science and Technology

Inventor： Lei Xu ,  Jinhui Peng ,  Shenghui Guo ,  Libo Zhang ,  Zhaohui Han ,  Yi Xia ,  Shaohua Ju ,  Shanju Zheng ,  Shiwei Li ,  Zemin Wang ,  Zhang Xu

IPC: H05B6/68 ,  H05B6/64

Abstract: The present invention provides a microwave-based high-throughput material processing device with a concentric rotary chassis. The device includes a microwave source generator, a microwave reaction chamber, and a temperature acquisition device. The microwave reaction chamber is provided with a rotary table, a thermal insulation barrel and a crucible die. The thermal insulation barrel is disposed on the rotary table, and the crucible die is disposed in the thermal insulation barrel. The crucible die is provided with a plurality of first grooves, and the first grooves are evenly distributed on a first circumference. A plurality of first fixing holes are disposed on a top of the thermal insulation barrel, and the first fixing holes are disposed corresponding to the first grooves. A first acquisition hole is disposed on the top of the microwave reaction chamber, and the first acquisition hole is located right above the first circumference.

公开(公告)号：US11440842B2

公开(公告)日：2022-09-13

申请号：US16897447

申请日：2020-06-10

Applicant: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Ping Ning ,  Jiacheng Bao ,  Xin Sun ,  Yansu Luo ,  Kai Li ,  Chi Wang

IPC: C04B18/14 ,  C04B41/53 ,  C04B7/17 ,  B01D53/80 ,  C04B7/36 ,  C22B7/04 ,  B01D53/60 ,  C04B5/06 ,  C04B7/147

Abstract: The invention belongs to the technical field of the resource treatment of industrial wastes, and particularly relates to a method for preparing a cementing material using smelting industrial waste slag after utilizing the simultaneous removal of SO2 and NOx in flue gas and an application of the cementing material obtained by the same. According to the invention, SO2 and NOx in the flue gas can be treated with the smelting industrial waste slag, meeting requirement of flue gas desulfurization and denitration; moreover, the smelting industrial waste slag can be purified and separated by means of waste gas resources to obtain a cementing material, realizing the resource utilization of the smelting industrial waste slag and waste gas.

公开(公告)号：US20220280907A1

公开(公告)日：2022-09-08

申请号：US17540229

申请日：2021-12-01

Applicant: Kunming University of Science and Technology

Inventor： Lei Xu ,  Libo Zhang ,  Hang Li ,  Zhaohui Han ,  Jianhua Liu ,  Hongying Xia ,  Zhimeng Tang ,  Lirong Guo

IPC: B01J19/18 ,  C01B21/068 ,  B01J4/00 ,  B01J19/00 ,  B01J8/00

Abstract: A device for rapidly preparing β-Si3N4 by gas-solid reaction and a method thereof, and relates to the technical field of recycling and reuse of waste fine silicon powder. The bottom of a stock bin communicates with a first opening and closing passage, a first connection passage, and the top of a first transitional bin; the bottom of the first transitional bin communicates with the first opening and closing passage, a second connection passage, and the top of a reaction bin; the bottom of the reaction bin communicates with a second opening and closing passage, the first connection passage, and the top of a second transitional bin; the bottom of the second transitional bin communicates with the top of a conveying passage through the first opening and closing passage; a material outlet of the conveying bin communicates with the collection bin.

公开(公告)号：US11426719B2

公开(公告)日：2022-08-30

申请号：US16736616

申请日：2020-01-07

Applicant: Kunming University of Science and Technology

Inventor： Kai Li ,  Yingwu Wang ,  Ping Ning ,  Qiang Lin ,  Xin Sun ,  Chi Wang ,  Xin Song ,  Xiao Chen

IPC: C08K3/04 ,  B01J37/04 ,  B01J6/00 ,  B01J21/18 ,  B01J37/08 ,  B01D53/86 ,  B01J35/10

Abstract: The present invention discloses a preparation method of a catalyst with white carbon black modified by Zr—Nd—O and use thereof, and belongs to the field of catalyst technologies. In the present invention, an organic solvent evaporation induced self-assembly method is used to load Zr—Nd—O onto white carbon black to obtain a mesoporous Zr—Nd—O/white carbon black catalyst. The mesoporous Zr—Nd—O/white carbon black catalyst in the present invention has high catalytic activity, contains uniformly distributed mesopores with a relatively large average aperture, and has a simple preparation process, etc.

公开(公告)号：US20220112132A1

公开(公告)日：2022-04-14

申请号：US17418207

申请日：2019-01-08

Applicant: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： JING FENG ,  PENG WU ,  ZHENHUA GE ,  PENG SONG ,  LIN CHEN ,  JUN WANG

IPC: C04B35/495 ,  C04B35/626 ,  C04B35/64

Abstract: The present disclosure relates to the technical field of ceramic powder preparation, and discloses a zirconia/titania/cerium oxide doped rare earth tantalum/niobate RETa/NbO4 ceramic powder and a preparation method thereof. A general chemical formula of the ceramic powder is RE1-x(Ta/Nb)1-x(Zr/Ce/Ti)2xO4, 0

公开(公告)号：US11247197B1

公开(公告)日：2022-02-15

申请号：US17137028

申请日：2020-12-29

Applicant: Kunming University of Science and Technology

Inventor： Kai Li ,  Yaxi Zhang ,  Ping Ning ,  Chi Wang ,  Fei Wang ,  Xin Sun ,  Yixing Ma ,  Xin Song ,  Qian Li

IPC: B01D53/86 ,  B01J21/08 ,  B01J29/46 ,  B01J35/02 ,  B01J37/02 ,  B01J37/08

Abstract: The present disclosure relates to the technical field of industrial waste gas purification, in particular to a core-shell structured catalyst, a preparation method and use thereof. The present disclosure provides a core-shell structured catalyst including a metal oxide-molecular sieve as a core and porous silica (SiO2) as a shell, where the metal oxide-molecular sieve includes a molecular sieve and a metal oxide loaded on the molecular sieve, the metal oxide includes an oxide of a first metal and an oxide of a second metal, the first metal is Fe, Cu, Ti, Ni or Mn, and the second metal is Ce or La. The core-shell structured catalyst of the present disclosure can enable effective removal of HCN and AsH3 at the same time with a stable effect, and no secondary pollution.

公开(公告)号：US20210391568A1

公开(公告)日：2021-12-16

申请号：US17232241

申请日：2021-04-16

Applicant: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Yingjie Zhang ,  Peng Dong ,  Qi Meng ,  Siyuan Zhou ,  Qingxiang Li ,  Shaoqiang Zhou ,  Jianguo Duan ,  Xue Li ,  Yin Liu ,  Duanyun Chen

IPC: H01M4/36 ,  C01G51/00 ,  H01M10/54 ,  H01M10/052 ,  H01M4/525

Abstract: The disclosure discloses a method for preparing a high-voltage cathode material by body modification and regeneration of a waste lithium cobaltate material. The waste lithium cobaltate cathode material is calcined, and then measured; a lithium source, a magnesium source, nano-scale TiO2 and the waste lithium cobaltate cathode material powder are mixed to obtain a mixture, placed in a ball milling tank containing absolute ethanol, and the resulting mixture is ball milled, and then dried to obtain a mixed powder; the mixed powder is calcined to obtain a magnesium-titanium co-doped regenerated lithium cobaltate cathode material; the magnesium-titanium co-doped regenerated lithium cobaltate cathode material is added into a mixed solution obtained by ultrasonically mixing absolute ethanol with the aluminum source, and then heated and stirred continually until the solvent evaporates to obtain a residue; the residue is calcined to obtain an aluminum-coated magnesium-titanium co-doped regenerated lithium cobaltate cathode material.