A5011818581- Catalytic Processes in Materials Science
- Catalysts for Methane Reforming
- Chemical Looping and Thermochemical Processes
- Carbon Dioxide Capture Technologies
- Industrial Gas Emission Control
- Ionic liquids properties and applications
- Adsorption and Cooling Systems
- Advancements in Solid Oxide Fuel Cells
- Catalysis and Oxidation Reactions
- Electrocatalysts for Energy Conversion
- Phase Equilibria and Thermodynamics
- Catalysis and Hydrodesulfurization Studies
- Fuel Cells and Related Materials
- Chemical and Physical Properties in Aqueous Solutions
- Thermodynamic properties of mixtures
- Thermal Expansion and Ionic Conductivity
- CO2 Reduction Techniques and Catalysts
- Anodic Oxide Films and Nanostructures
- Advanced battery technologies research
- Refrigeration and Air Conditioning Technologies
- Chemical Thermodynamics and Molecular Structure
- Ammonia Synthesis and Nitrogen Reduction
- Corrosion Behavior and Inhibition
- nanoparticles nucleation surface interactions
- Hybrid Renewable Energy Systems
University of Science and Technology Beijing
2011-2023
Beijing Municipal Ecology and Environment Bureau
2012
The crystallization temperature, vapor pressure, density, viscosity, and specific heat capacity for the ternary system of LiNO3/[BMIM]Cl/H2O with a mass ratio (LiNO3:[BMIM]Cl) 2:1 were measured. temperature was measured from w = 0.65 to 0.75. pressure 0.55 0.75 298.15 416.45 K. 293.15 373.15 Regression equations values obtained by least-squares method. Results showed that had nearly identical LiNO3/H2O at 10% lower fraction. much than same absorption ability. has great potential as an...
The solubility, vapor pressure, density, viscosity, and specific heat capacity of LiNO3/H2O were measured in this work. solubilities ranges temperature from 277.15 K to 431.15 K. pressures absorbent mass fraction 297.65 473.15 50 % 70 %. densities viscosities 283.15 413.15 30 65 capacities 303.15 373.15 60 Regression equations for obtained by a least-squares method the experimental data. average absolute relative deviations each property between data individual calculated value these...
Abstract Mass transfer and electrochemical phenomena in the membrane electrode assembly (MEA) are core components for modeling of solid‐oxide fuel cell (SOFC). The general MEA model is simply governed with Stefan‐Maxwell equation multicomponent gas diffusion, Ohm's law charge current‐overpotential polarization calculation. However, it has obvious discrepancy at high‐fuel utilization or high‐current density. An advanced introduced based on diffusion equivalent circuit model. main purpose to...
For an absorption cycle, a ternary working pair LiBr–[BMIM]Cl(2.5:1)/H2O was proposed as new to replace LiBr/H2O. The thermodynamic properties including specific heat capacity, enthalpy, density, and viscosity were systematically measured fitted by the least-squares method. performance of double-effect refrigeration cycle based on investigated under different temperatures from 5 °C 12 °C. Results showed that had advantages in operating temperature range corrosivity. Compared with LiBr/H2O,...
Cu/ZnO/Al2O3 catalysts were prepared for online methanol steam reforming (MSR) using a conventional sol–gel method in this study. The optimal preparation conditions, including the calcination temperature, Cu loading, molar ratio of citric acid to metal ions (CA/M), and pH, investigated. CZA50 exhibited highest MSR activity among all catalysts. It was at temperature 350 °C; Cu, Zn, Al fractions 50%, 30%, 20%; CA/M 1.5; without adjusting pH. Furthermore, modified proposed enhance mechanical...
On the basis of a chemical looping combustion (CLC) process with adding step CH4 steam reforming, influences preparation method, inert support SiO2 or Al2O3, Ni component, particle size, and gas hourly space velocity (GHSV) on redox performance Cu-based oxygen carrier (OC) were investigated. Results showed that OC prepared impregnation was able to react completely H2 in reduction O2 oxidation but had relatively low content ratio (Ro) because limitation from saturation loading an active...
Abstract To explore the application of chemical‐looping combustion (CLC) to distributed medium‐ small‐scale hot water and steam gas‐fueled boilers, a CLC process based on two fixed bed reactors (FBRs) has been proposed. A Cu‐Fe‐based oxygen carrier (OC) was studied meet requirements for this process. Results showed that Cu30‐Fe50/Al20 exothermic both in reduction step oxidation step, quite large operating temperature window 600–900°C. At lower side, it good low reactivity, at higher strong...
The removal characteristics of NH3 based on chemical-looping combustion (CLC), in which was used as a fuel, were studied. Results indicated that the reduction reaction between oxidative oxygen carriers (OCs) and NH3, OCs converted to reductive OCs, at same time, N2 H2O. Then, regenerated with air subsequent oxidation reaction. As such, high selectivity achieved CLC. Compared MnO2/Al2O3 Fe2O3/Al2O3, CuO/Al2O3 exhibited highest activity, an rate 90% 99% 250 °C. Among three Cu-based i.e.,...
A 10 kW class prototype of natural gas-PEMFC distributed heat and power cogeneration system has been developed demonstrated for the first time in China. In this system, fuel processing – including steps gas desulfurisation, steam reforming, CO water shift, preferential methanation deep removal applied. The was with design dimensions 1600 mm (L) × 1700 (H) 600 (W). It mainly comprises reformer, reformate moisturiser, PEMFC stack, recovery unit, DC/AC inverter, controlling computer. At a...
As a novel working pair to replace CaCl2/H2O and LiNO3/H2O for open absorption heat pumps, LiNO3-DEG/H2O with mass ratio of 1:4 was further researched on the basis overall assessment vapor pressure crystallization temperature. The temperature, pressure, density, viscosity, specific capacity were measured fractions from 0.70 0.90. 293.15 373.15 K. Regression equations experimental values obtained by least-squares method. results showed that pressures fraction 0.80 very close 0.50, 0.85 also...