Yanxia Niu

ORCID: 0000-0002-8279-9711
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Research Areas
  • Ionic liquids properties and applications
  • Thermochemical Biomass Conversion Processes
  • Industrial Gas Emission Control
  • Chemical Synthesis and Reactions
  • Gas Sensing Nanomaterials and Sensors
  • Fiber-reinforced polymer composites
  • Chemical and Physical Properties in Aqueous Solutions
  • Lignin and Wood Chemistry
  • Catalysis and Hydrodesulfurization Studies
  • Petroleum Processing and Analysis
  • Catalysis and Oxidation Reactions
  • Catalytic Processes in Materials Science
  • Phase Equilibria and Thermodynamics
  • Thermal and Kinetic Analysis
  • Crystallization and Solubility Studies
  • Extraction and Separation Processes
  • Advanced Sensor and Energy Harvesting Materials
  • Analytical Chemistry and Chromatography
  • Magnetic properties of thin films
  • High-Temperature Coating Behaviors
  • Catalysis for Biomass Conversion
  • Acupuncture Treatment Research Studies
  • Conducting polymers and applications
  • Polymer crystallization and properties
  • Metallurgical Processes and Thermodynamics

Shenyang Pharmaceutical University
2025

Taiyuan University of Technology
2015-2024

Beihang University
2023-2024

Peking University
2013-2023

Dalian Medical University
2023

Nankai University
2011

Four kinds of deep eutectic solvents (DESs) based on choline chloride (ChCl) with ethylene glycol (EG), malonic acid (MA), urea, and thiourea as hydrogen bond donors were prepared characterized. All these DESs show good thermal stability can be stable at 363 K, which is beneficial for the application in flue gas desulfurization. Then, SO2 absorption capacities determined different temperatures partial pressures. The results demonstrate that ChCl–EG (1:2) ChCl–thiourea (1:1) exhibit excellent...

10.1021/acs.iecr.5b01789 article EN Industrial & Engineering Chemistry Research 2015-08-07

Abstract CO 2 mineralization plays a critical role in the storage and utilization of . Coal fly ash (CFA) red mud (RM) are widely utilized as mineralizers. However, inert calcium species CFA limit its carbonation capacity, meanwhile substantial Ca 2+ releasing RM is hindered by covering layer carbonate. In this study, composite system was investigated to enhance capacity. Multiple analyzers were employed characterize raw materials resulting products. The results demonstrated that synergistic...

10.1007/s40789-024-00672-2 article EN cc-by International Journal of Coal Science & Technology 2024-05-09

In this study, to identify an appropriate macroporous resin for the purification of crude extract derived from Simiao Yong’an Decoction (SMYAD), five distinct resins were evaluated based on their adsorption and desorption performance. Through comparative analysis, D101 was determined be most suitable candidate. Investigations into mechanism revealed that process followed pseudo-second-order kinetics well described by Langmuir isotherm model. Thermodynamic analysis further indicated...

10.3390/separations12040084 article EN cc-by Separations 2025-03-31

NMR with external references is applied in the mechanistic study of sulfur dioxide absorption.

10.1039/c4ra13874k article EN RSC Advances 2014-12-22

Atomically dispersed Pt atoms encapsulated inside ZSM‐5 zeolites are synthesized via thermally induced dispersion under oxygen atmosphere. Dispersion of clusters within and silicate‐1 is compared to investigate its dependence on the support calcination temperature. Detailed density functional theory (DFT) calculations applied rationalize process, which includes detachment species from bulk migration volatile PtO x species, both accelerated by thermal treatment at high DFT results also...

10.1002/sstr.202200115 article EN cc-by Small Structures 2022-10-12

Coal gasification tar residue (CGTR) is a kind of environmentally hazardous byproduct generated in fixed-bed coal process. The CGTR extracted by ethyl acetate was used to prepare powdered activated carbon (PAC), which applied later for adsorption phenol. results showed that the PAC prepared under optimum conditions had enormous mesoporous structure, and iodine number reached 2030.11 mg/g, with specific surface area 1981 m2/g total pore volume 0.92 ml/g. Especially, without loading other...

10.1080/09593330.2017.1310304 article EN Environmental Technology 2017-03-22

In this work, the isothermal gas–liquid equilibrium (GLE) data were measured for system of polyethylene glycol 400 (PEG 400) + N,N-dimethylformamide (DMF) SO2 N2 at 308.15 K and 123 kPa with partial pressures in range (16.8 to 115) Pa. The Henry's law constant (H′) standard Gibbs free energy change (ΔG) calculated from these GLE data. Furthermore, densities viscosities binary mixtures DMF PEG also over whole concentration T = (298.15 313.15) K. From experimental data, including density...

10.1021/je3011002 article EN Journal of Chemical & Engineering Data 2013-02-15

A series of ionic liquids can be simply prepared by mixing glymes and Li salts. The formed quasi-aza-crown cations ion exhibit an efficient excellent reversible absorption sulfur dioxide.

10.1039/c5ra05797c article EN RSC Advances 2015-01-01
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