Improving fluidization behavior of cohesive Ca(OH)2 adsorbent using hydrophilic silica nanoparticles: Parametric investigation

10.1016/j.partic.2017.12.004

2018-04-04

Hydrophilic silica nanoparticles were used to enhance the fluidization behavior of Ca(OH)2 powder and its CO2 adsorption. The strong electrostatic forces were decreased by fluidizing adsorbents modified by hydrophilic SiO2 in the presence of alcohol vapors. A...

Frequency–amplitude behavior in the incipient movement of grains under vibration

10.1016/j.partic.2017.11.009

2018-03-26

The onset of the movement of particles placed on a horizontal rough surface subject to a vertical sinusoidal vibration is investigated through tracking experiments, theoretical analysis, and numerical simulations. The frequency of vibration needed to move par...

Correlation between the lidar ratio and the Ångström exponent of various aerosol types

10.1016/j.partic.2017.12.002

2018-03-26

Lidar ratios and Ångström exponents of continental, maritime, and desert aerosols were calculated to evaluate the effects of aerosol composition on these parameters. Their correlation was assessed using correlation analysis and curve fitting. The Pearson corr...

Direct calculation of voidage in the fine-grid CFD–DEM simulation of fluidized beds with large particles

10.1016/j.partic.2017.11.010

2018-03-26

Voidage is important in determining the hydrodynamic behavior of a fluidized bed and estimating the drag force. Exact calculation methods are limited, especially in terms of determining the intersection of a particle and cell. This paper presents a method of ...

Fluidization of binary mixtures of sisal residue and sand: A new model for deriving the final fluidization velocity

10.1016/j.partic.2017.11.006

2018-03-21

The influence of different factors on the fluidization of a binary mixture of sisal residue and sand was investigated. The particle sizes of the sand and sisal residue were varied from 0.2 to 0.8 mm and the biomass mass fractions from 2% to 9%. Some segregati...

Particle penetration in fiber filters

10.1016/j.partic.2017.11.008

2018-03-17

Particle separation from gases is an important unit operation in manifold industrial applications, such as those conducted in environmental protection. For analysis of particle penetration and separation in fiber filters, standard dust particles (Al2O3) were ...

Influence of particle shape on the erodibility of non-cohesive soil: Insights from coupled CFD–DEM simulations

10.1016/j.partic.2017.11.007

2018-03-13

Soil erosion is a critical process that is being studied in soil science, hydraulic engineering, and geotechnical engineering. Among many societal and environmental impacts, soil erosion is a major cause for the failures of bridges. The erodibility of soil is...

Surface coating copper powder with carbon nanotubes using traditional and stirred ball mills under various experimental conditions

10.1016/j.partic.2017.10.011

2018-03-07

We investigated the effect of the raw powder properties of carbon nanotube surface coatings on metal powder, with the goal of obtaining high-quality nanocomposites. The mechanical dry coating technique was used to fabricate CNT coatings (guest particles) on t...

Comparative evaluation of the impact of GRAPES and MM5 meteorology on CMAQ prediction over Pearl River Delta, China

10.1016/j.partic.2017.10.005

2018-03-02

The community multiscale air quality (CMAQ) model was used to forecast air quality over the Pearl River Delta region from December 2013 to January 2014. The pollution forecasting performance of CMAQ coupled with two different meteorological models, i.e., the ...

Catalytic ability of MgO to break C single bondH bonds during slurry oil carbon deposition

10.1016/j.partic.2017.11.002

2018-03-02

Although MgO has been widely used for the MgO-templated synthesis of carbon materials, little attention has been paid to MgO’s catalytic function during carbon deposition. Here, a systematic analysis of the products of slurry oil (SO) carbonization with and w...