Jiaqing Zhang

State Grid Corporation of China (China)

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Shouxiang Lu

University of Science and Technology of China

Minghao Fan

State Grid Corporation of China (China)

Changhai Li

University of Science and Technology of China

Fengju Shang

University of Science and Technology of China

Yanming Ding

China University of Geosciences

Bosi Zhang

China University of Labor Relations

Jinmei Li

Yunnan University

Liufang Wang

University of Chinese Academy of Sciences

Yubiao Huang

University of Chinese Academy of Sciences

Fengju Shang

Cooperative Institutions

Chinese Academy of Sciences

University of Science and Technology of China

State Grid Corporation of China (China)

Wuhan University of Technology

Hefei University of Technology

Zhejiang University

University of Chinese Academy of Sciences

Central South University

China University of Geosciences

Shanghai Jiao Tong University

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Recent advances in potassium-based adsorbents for CO2 capture and separation: a review

Carbon Capture Science & Technology (2021)

Yafei Guo Jian Sun Ruilin Wang Weiling Li Chuanwen Zhao

Anthropogenic CO2 emissions from fossil fuel combustion and industrial processes are considered as the major contributors to global warming and climate change. Deploying carbon capture, storage and utilization (CCUS) has been perceived as one important strategy to mitigate CO2 emission and to realize carbon neutrality. Dry potassium-based adsorbents with desirable attributes show promise for capturing CO2 from flue gas and other ultra-dilute gas stream. The past decade has witnessed rapid development in dry potassium-based CO2 adsorbents. This review summarizes the recent progress of potassium-based adsorbents in CO2 capture. A detailed and in-depth discussion concerning the carbonation pathways is presented. Strategies for carbonation enhancement are demonstrated from the perspective of the rational design of adsorbents and process optimizations. Kinetics modelling of the carbonation and regeneration behaviors of potassium-based adsorbents is then illustrated. Apart from flue gas cleaning, the potential applications of potassium-based adsorbents in other fields such as low-concentration CO2 removal from environmental control and life support systems (ECLSSs), direct air capture (DAC), and integrated CO2 capture and utilization (ICCU) have also been discussed. Finally, comments on the main challenges and future opportunities of the dry potassium-based adsorbents are provided.

Carbon fibers

10.1016/j.ccst.2021.100011

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Citations (58)

Impact Behavior of Single Water Drop Impacting onto Burning Ethanol Surface

Industrial & Engineering Chemistry Research (2017)

Mingjun Xu Jiaqing Zhang Chaopeng Wu ChangHai Li Xiao Chen

A series of experimental and theoretical works are performed to enrich the previous research concerning single water drop impacting on burning ethanol surface. Three typical impact regimes including crater-first-jet, crater-second-jet, and surface bubble are discussed in detail, and an impact regime map is built up. For crater-first-jet and crater-second-jet regimes, the dimensionless maximum crater depth increases with the impact Weber number, but there is a sharp decrease for the regime transitioning from crater-second-jet to surface bubble. In addition, the theoretical maximum crater depth and jet length scales are derived based on energy conservation and conversion. For crater formation, as the drop initial total energy increases, gravity gradually dominates the surface tension effects. For jet formation, however, the surface energy is around nine-times larger than gravitational potential energy when the energy stored in crater is the lowest.

Dimensionless quantity

Drop Impact

10.1021/acs.iecr.7b04008

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Citations (18)

Effects of external radiation heat flux on combustion characteristics of pure and oil‐impregnated transformer insulating paperboard

Process Safety Progress (2017)

Jiaqing Zhang Bosi Zhang Minghao Fan Liufang Wang Guocheng Ding

The effects of external radiation heat flux on the combustion characteristics of pure transformer insulating paperboard (PTIP) and oil‐impregnated transformer insulating paperboard (OITIP) were investigated experimentally. The experiments were conducted with the cone calorimeter using five external radiation heat fluxes that ranged from 25 to 80 kW/m 2 . The results showed that the ignition time decreased with the external radiation heat flux, and the ignition time of PTIP was much longer than that of OITIP. Both the PTIP and OITIP are thermal thick materials, and the critical radiation heat flux of the PTIP was larger than that of the OITIP. For the PTIP, the peak of the heat release rate (HRR) and toxic gas productions had no significant difference, while those of the OITIP increased with the external radiation heat flux. The HRR peak of the PTIP was larger than that of the OITIP with the external radiation heat fluxes of 25, 35, 50, and 65 kW/m 2 . When the radiation heat flux increased to 80 kW/m 2 , the HRR peak of the OITIP became higher. From the perspective of the CO production rate, the hazard of PTIP fires was more severe than that of OITIP fires under the external radiation heat fluxes of 25 and 35 kW/m 2 . The CO production rate of the PITP was lower than that of the OITP with the high external radiation heat fluxes of 50, 65 and 80 kW/m 2 . © 2017 American Institute of Chemical Engineers Process Process Saf Prog 37:362–368, 2018

Thermal Radiation

10.1002/prs.11950

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Citations (9)

Kinetic parameters estimation of pinus sylvestris pyrolysis by Kissinger-Kai method coupled with Particle Swarm Optimization and global sensitivity analysis

Bioresource Technology (2019)

Yanming Ding Yu Zhang Jiaqing Zhang Ru Zhou Zeyu Ren

Latin Hypercube Sampling

Thermogravimetric analysis

Rank (graph theory)

10.1016/j.biortech.2019.122079

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Citations (50)

Experimental Study on Fire Hazard of High-temperature Transformer Oil Pool Fire and Exploration on Improvement of Fire-extinguishing System

2022 7th Asia Conference on Power and Electrical Engineering (ACPEE) (2022)

Jiaqing Zhang Rui Liu Jia Xie Hui Wang Yabin Fan

The effects of initial temperature of fuel on fire characteristics of the 0.16m ² square pool fire and 0.255 m ² circle pool fire were investigated experimentally. The fuel temperature in the burning duration, the mass loss rate (MLR) of fuel, and the heat release rate (HRR) were mainly concerned. Results showed that the rate of increase in the fuel temperature increased with the increasing of initial temperature of fuel in the experiments of 0.16m ² square pool fire, and the initial temperature of fuel showed obvious influence on the fuel temperature at the steady stage in the experiments of 0.255 m ² circle pool fire. Both the MLR and HRR of the transformer oil pool fire increased with the initial temperature of fuel, and the influence of initial temperature of fuel on the MLR and HRR of the transformer oil pool fire was more significant in the experiments with larger fuel tray. Based upon the analysis on fire hazard of transformer oil, the improvement of fire extinguishing systems in the transmission substation were discussed. It was recommended that the foam-water combined monitor system should be arranged to improve the ability of fire extinguishing in high voltage transformer substation.

Fire hazard

10.1109/acpee53904.2022.9783899

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Citations (1)

Experimental Study on Foam Properties of Mixtures of Organic Silicon and Hydrocarbon Surfactants Regulated by Nano-SiO2 Particles

Fire Technology (2024)

Jiaqing Zhang Fengju Shang Xin Liu Kaiyuan Li Yunpeng Yang

10.1007/s10694-024-01596-8

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Citations (1)

On Data Analysis in Forest Fire Induced Breakdown of the Transmission Line

Advances in intelligent systems and computing (2017)

Jiaqing Zhang Bosi Zhang Hui Xie Minghao Fan Liufang Wang

Line (geometry)

Flow chart

Wildfire suppression

10.1007/978-3-319-69096-4_73

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Citations (1)

A Derivative-Feedback Based Compensation Control to Enhance the Small-Signal Stability for LCC-HVDC System

IEEE Transactions on Power Delivery (2023)

Chunyi Guo Shuo Yang Jiaqing Zhang

The small-signal stability of the LCC-HVDC system connected to the weak AC grid is of great concern. This paper derives the SISO model of the LCC inverter station. On this basis, the influence mechanism of AC system strength on system stability is studied via the Bode stability criterion, and the coupling interaction between different control loops is quantitatively evaluated. Results reveal that, as the AC grid becomes weaker, the system stability margin is diminished characterized by the larger phase lag in the phase-frequency response. Also, the interaction between DC voltage controller (DVC) and phase locked loop (PLL) control loops is intensified. Then, a derivative-feedback based compensation (DFC) control is presented to improve the LCC system stability under the weak AC grid condition. Theoretical analysis and simulation results indicate that the presented DFC control can effectively improve the stability and dynamic performances of the LCC system, which allows the system to operate stably even connected to the extremely weak AC grid.

Phase margin

SIGNAL (programming language)

10.1109/tpwrd.2023.3244626

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Citations (1)

Combined kinetic analysis of thermal degradation characteristics and reaction mechanism of thin intumescent fire-retardant coating of steel structure

International Journal of Polymer Analysis and Characterization (2024)

Fengju Shang Jiaqing Zhang Taiyun Zhu Yi Guo Yabin Fan

Intumescent

Degradation

10.1080/1023666x.2024.2399791

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