
Yipeng Ji, Ph.D. He graduated from Beijing University of Chemical Technology in 2015 with a Ph.D. in Chemical Process Machinery and was promoted to Associate Professor in 2019. Currently, he is a teacher of the School of Mechanical Engineering, Beijing Institute of Petrochemical Technology.
The main research is multiphase flow separation technology and equipment, focusing on the low-shear cyclonic separation, dynamic centrifugal separation, and hydraulic mixing. The total research funding exceeds 5 million RMB.
He has authored over 60 academic papers, with more than 10 indexed in EI or SCI databases, and holds 6 authorized national invention patents as the first inventor and has edited 2 textbooks as the editor.
1. Mechanisms of Coalescence, Deformation, and Breakup of Dispersed Phase Droplets in Multiphase Flow and Low-Shear Swirling Initiation Technology
2. Hydraulic Coalescence and Microbubble-Enhanced Cyclonic Separation Technology;
3. Design, Structural Optimization, and Engineering Applications of the Tubular Dynamic Axial Vortex Separator.
II. Awards
1. CNOOC Research Institute Co., Ltd., Beijing Institute of Petrochemical Technology, CNOOC (China) Co., Ltd. Beibu Gulf Weizhou Operation Company, CNOOC (China) Co., Ltd. Caofeidian Operation Company. High-flux tubular dynamic vortex separator. The first major technical equipment in the fifth batch of the National Energy Administration's energy field, 2025.
2. Wang Chunsheng, Chen Jiaqing, Zhang Ming, Shang Chao, Ji Yipeng, Zhang Zhiping, Xiong Ronglei, Zheng Xiaopeng, Yang Binghua, Ping Chaochun, Huang Songtao, Wang Haiyan, Wang Yanhong, Shi Yi, Zhang Baosheng. Key Technologies and Applications for High-Efficiency Separation of Highly Emulsified Produced Fluids with High Water Content in Offshore Oilfields. China Petroleum and Chemical Automation Application Association, Petroleum and Chemical Automation Industry Science and Technology Progress Award, First Prize, 2021.
3. Chen Jiaqing, Zhu Ling, Liu Meili, Ji Yipeng, Zhou Cuihong, Dou Yantao, Cai Xiaolei, Han Yanhe, Sang Yimin, Liang Cunzhi. Construction of a characteristic textbook system for undergraduate talent cultivation in environmental engineering based on competency orientation. Beijing Higher Education Teaching Achievements, Second Prize, 2021.
4. Cai Xiaojun, Dou Yantao, Zhang Hongwei, Ji Yipeng, Gu Yanhong, Xu Yuemei, Zhang Jianjun, Han Liyan, Ding Qiao, Guo Wei. Reform and Practice of the Mechanical Foundation Core Curriculum System to Deepen the Cultivation of Students' Engineering Practice and Innovation Ability. Beijing Institute of Petrochemical Technology University-level Teaching Achievement Award, Special Prize, 2016.
5. He Fengqi, Yang Jingwei, He Shi, Tang Chunming, Ji Yipeng. Research on the Technology of Broadband Ultrasonic Internal Inspection Device for Corrosion Cracks in Long-Distance Pipelines. China Petroleum and Chemical Automation Application Association, Science and Technology Award for the Petroleum and Chemical Automation Industry, Second Prize, 2010.
III. Research projects
1. Special Topic of National Major Science and Technology Special Project: High-Efficiency Processing Technology for Multi-Field Coordinated Fluid Extraction (Project No.: 2025ZD1402902-05), serving as the deputy topic leader, from July 2025 to December 2030.
2 Key Support Project of the Joint Fund for Enterprise Innovation and Development of the National Natural Science Foundation of China: Research on the Agglomeration Mechanism of Oil Droplets-Microbubbles and Their Cooperative Dynamic Hydrocyclone Pre-Oil Removal Characteristics for Offshore Flooding Produced Water (Project No.: U20B2030), Sub-project Leader, January 2021 - December 2024.
3. Sub-project of National Major Scientific and Technological Special Project: Research on High-efficiency Crude Oil Processing Technology (Project No.: 2017ZX05032005-002), Deputy Team Leader, January 2017 - December 2020.
4. Corporate Horizontal Project: Processing of Stable Flow Module for Multi-effect Multiphase Separator Unclamping, Project Leader, 2025-2026.
5. Corporate Horizontal Project: Trial production of tubular dynamic axial vortex separator and testing and processing of high-efficiency purification components, project contact person, 2022-2025.
6. Corporate Horizontal Project: Processing and Testing of the Drive and Separation Components of a Tubular Vortex Oil Separator for Daily Treatment of 10,000 Cubic Meters of Production Wastewater. Project Leader, 2023-2024.
7. Corporate Horizontal Project: Trial Production of Dynamic Simulation System for Crude Oil Processing, Project Leader, 2019~2020.
IV. Publications
1 Song Zerun, Ji Yipeng*, Chen Jiaqing, et al. Study on optimal bending angle of ear plate in wafer static mixer[J]. The Chinese Journal of Process Engineering, 2025, 25(10): 1022-1030
2 Ren Qiang, An Shenfa, Chen Jiaqing, Ji Yipeng*, et al. Ultimate Diversion Ratio and Optimal OperatingParameters of Tubular Centrifuge [J]. China Petroleum Machinery, 2025.02, 53(2): 82-88
3 Yu Hai, Luan Zhiyong, Ji Yipeng*, et al. Calculation method and impact analysis of short-circuit flow in dynamic hydrocyclone[J]. Chemical Industry and Engineering Progress, 2025.01. 44(1): 135-144. (EI)
4 Gu Yu, An Shenfa, Chen Jiaqing, Ji Yipeng*, et al. Numerical simulation of mixing performance of thin plate static mixer [J]. Chemical Engineering(China), 2024, 2(52) 78-83.
5 Yipeng Ji, Jiaqing Chen, Xiujun Wang, et al. Improved swirl-vane designs: Development of low pressure-drop tubular dynamic hydrocyclones for pre-dehydration[J]. Separation Science and Technology, 2023, 58, 1821-1832. (SCI, EI)
6 Zheng Si, Yipeng Ji*, Jiaqing Chen, et al. Design Methodology for a Low-Shear Rotating Swirler[J]. Separations, 2023, 10, 550. (SCI)
7 Ji Yipeng, Mi Tong, Hu Yi, et al. Experimental Study on Modeling of Dispersed Phase Droplet Size after Orifice Plate Throttling[J]. Journal of Chemical Engineering of Chinese Universities, 2018, 32(6): 1314-1321. (EI)
8 Ji Yipeng, Chen Jiaqing, Cai Xiaolei, et al. Design and Experimental Study of Vortex Generator Based on Neural Network[J]. China Petroleum Machinery, 2017, 45(3): 75-84
9 Ji Yipeng, Chen Jiaqing, Cai Xiaolei, et al. A BIPTVAS-II voraxial separator prototype and its pilot test in LH 11-1 oilfield[J]. China Offshore Oil and Gas, 2016, 28(01): 133-138
10 Yipeng Ji, Jiaqing Chen, Xiangdong Jiao, et al. Theoretical Modeling and Numerical Simulation of Axial-Vortex Separation Technology for Oily Water Treatment [J]. Separation Science and Technology, 2015, 50(12): 1870-1881. (SCI, EI)
V. Patents
1. Ji Yipeng, Chen Jiaqing, Cai Xiaolei, et al. A tubular pretreatment equipment and method for polymer flooding production water [P]. Invention Patent of the People's Republic of China, ZL 202411486828.2, Date of Authorization Announcement: 2025.07.29
2. Si Zheng (Student), Ji Yipeng, Chen Jiaqing, et al. A Downhole Low-Shear Tubular Hydrodynamic Cyclone Separation Device for Oil, Gas, and Water [P]. Invention Patent of the People's Republic of China, ZL 2021 1 1578140.3, Date of Authorization Announcement: May 5, 2023
3. Ji Yipeng, Chen Jiaqing, Cai Xiaolei, et al. A device and method for pre-separation of oily sewage based on axial vortex technology [P]. Invention Patent of the People's Republic of China, ZL 2018105970568, Date of Authorization Announcement: March 16, 2021
4. Ji Yipeng, Jiao Xiangdong, Chen Jiaqing, et al. A remotely operated welding and maintenance equipment and method for underwater pipelines without submersible [P]. Invention Patent of the People's Republic of China, ZL201811107938.8, Date of Authorization Announcement: 2021.02.02
5. Ji Yipeng, Chen Jiaqing, Cai Xiaolei, et al. A system for recovering oil spills on the sea surface and achieving on-site concentration, separation, and up-to-standard discharge [P]. Invention Patent of the People's Republic of China, ZL201910338443.4. Date of Authorization Announcement: 2020 12.01.
6. Ji Yipeng, Chen Jiaqing, Zhang Xue, et al. A solid vortex centrifugal separation device and its method for separating oil spill skimmings [P]. Invention Patent of the People's Republic of China, ZL 2016 1 1000394.6, Date of Authorization Announcement: 2019.01.04
7. Ji Yipeng, Chen Jiaqing, Li Wei, et al. Device and method for treating oily sewage based on single-tank two-stage cyclone air flotation device [P], Invention Patent of the People's Republic of China, ZL 201610169648.0, Date of Authorization Announcement: 2018.08.30
VI. Published works
1. Ji Yipeng, Chen Jiaqing, Shi Yi. Fundamentals of Environmental Protection Equipment Design [M]: China Machine Press, 2023
2. Meimei, Ji Yipeng. Practical Tutorial on CNC Turning Based on UG NX6.0 Environment [M]: China Machine Press, 2009. (Planned Textbook for Computer-Aided Design in Colleges and Universities in the 21st Century)
VII. Admissions Information
I am currently recruiting students for master's degree programs in Environmental Science and Engineering (0830) and Master's degree programs in the field of Mechanical Engineering (085501). We sincerely welcome students who are practical, conscientious, passionate about research, and enjoy exploring in fields such as Process Equipment and Control Engineering, Mechanical Engineering, Energy and Power Engineering, and Environmental Engineering to join our team.