Showing papers in "Powder Technology in 2015"

TL;DR: In this paper, a facile approach to prepare peculiar porous α-Fe2O3, γ-FeO3 and Fe3O4 nanospheres by combining the facile hydrothermal route with a calcination process in Ar or H2 atmosphere was reported.

TL;DR: In this paper, a chitosan biosorbent modified with zirconium ions (ZCB) was employed for the adsorption of phosphate ions from aqueous solution.

TL;DR: In this article, the additive was obtained through the polymerization of acrylamide monomer in the presence of TiO2 nanoparticles using the solution polymerization method, and the results indicated that the additive contributes to an increase in the viscosity and a decrease in the fluid loss and filter cake thickness.

TL;DR: In this paper, a simple aqueous solution based chemical method for preparation of Cu nanoparticle loaded mesoporous silica SBA-15 (Cu@SBA15) catalysts was reported.

TL;DR: In this paper, the effect of inlet temperatures on physicochemical properties of spray-dried jamun juice powder has been investigated, showing that higher inlet temperature increased the moisture content of the powder, and led to the formation of larger particles.

TL;DR: In this paper, the authors assess existing protocols and introduce new strategies for the study of size and shape of irregular particles by performing a comprehensive characterization of 127 volcanic clasts with diameters between 155μm and 37mm.

TL;DR: In this paper, a review of coal beneficiation technologies for low-rank coal is presented, including physical (gravity and magnetic separation), chemical (leaching), physico-chemical (flotation and oil agglomeration), and bio-beneficiation technologies.

TL;DR: In this paper, the performance of activated aluminum oxide (AAO) and lanthanum oxide (LO) was investigated for the removal and recovery of phosphorus from water/wastewater.

TL;DR: In this paper, a two-sided lid driven cavity with several pairs of heaters and coolers inside is investigated numerically using two-phase mixture model and the governing equations have been discretized using the finite volume method while the SIMPLE algorithm has been introduced to couple the velocity-pressure.

TL;DR: In this article, the authors present a review of the literature on twin screw granulation (TSG) and discuss the control of the geometry of the granulator over the formation of granules and mechanisms of granulation.

TL;DR: In this article, the effect of variation in the cylinder as well as the cone lengths on cyclone performance parameters with respect to the standard cyclone model is examined and comparison is presented among the two geometrical variables for similar increase in their lengths.

TL;DR: In this paper, the authors discuss the need for active pharmaceutical ingredients (APIs) in the amorphous state, use of several techniques to amorphize APIs and enhance the stability of API under stress test conditions.

TL;DR: In this paper, the effect of pyrolysis temperature (500 and 800°C) and activation method on the acid-base character of the surface, textural parameters as well as sorption properties of adsorbents prepared toward gas and liquid impurities was tested.

TL;DR: In this article, the authors developed and validated an artificial neural network (ANN) approach to estimate the thermal conductivity ratio (TCR) of alumina water-based nanofluids as a function of temperature, volume fraction and diameter of the nanoparticle.

TL;DR: In this article, Amaranthus dubius leaf aqueous extracts that are reduced from ferric chloride was investigated for the biosynthesis of nanosize iron particles using amaranthine and phenolic compounds that are used as reducing agents.

TL;DR: In this paper, an adaptive neuro-fuzzy inference system (ANFIS) was used to predict the performance of micro and nano-sized particle erosion in a 3-D 90° elbow.

TL;DR: In this paper, a numerical study is carried out concerning natural and mixed convection heat transfer of nanofluid in a two-dimensional square cavity with several pairs of heat source-sinks.

TL;DR: In this paper, the effects of constant and alternating magnetic field on the laminar forced convective heat transfer of water based magnetite (Fe3O4) ferrofluid in a heated tube are studied experimentally.

TL;DR: In this paper, a CFD-DEM-based liquid-particle two-phase flow erosion prediction model was proposed for pipeline connection as elbows, which took the interaction of liquidparticle, particleparticle and particle-wall into account.

TL;DR: In this paper, a modified Fourier's law of heat conduction for power-law fluids is adopted by assuming that the thermal conductivity is powerlaw-dependent on the velocity gradient.

TL;DR: In this article, the authors developed and characterized highly polyunsaturated flaxseed oil powder which could serve as a potential delivery system of omega-3 fatty acids in vegan diet.

TL;DR: In this paper, the removal of organic compound using CuS photocatalyst under visible light irradiation was performed by using copper nitrate as copper precursor and thiourea, sodium thiosulphate as sulfur precursors via hydrothermal route.

TL;DR: In this paper, a new correlation law has been found, which is based on experimental measurements of the terminal velocities of irregular particles falling in fluids of different densities and viscosities.

TL;DR: In this paper, the effect of the auxiliaries such as anionic surfactant (SDS) and sodium chloride on removal of DB71 was investigated in the 10-mg/L DB71 containing 0.1-1/g/L SDS or 5-20g/l NaCl systems.

TL;DR: In this article, the effects of microwave and conventional heating pretreatment on the liberation of iron bearing minerals from high phosphorus oolitic iron ore, specifically iron ore from the Aswan region of Egypt, were analyzed by examining intergranular fractures generated between the oolitics/matrix and in the olivic layers.

TL;DR: In this paper, the authors used a slice of a domain instead of the whole domain where the material slice represents the realistic mechanical behavior of materials and used it to calibrate the microscopic properties of granular materials by discrete element method (DEM).

TL;DR: In this paper, screening performance of banana screens using a DEM (Discrete Element Method) solver (LIGGGHTS) is investigated. And the results indicate that the industrial and laboratory screens show a totally different behavior with respect to changes in design parameters.

TL;DR: In this article, the physicochemical properties and antioxidant activity of red grape pomace powders (GPPs) from winemaking residue with particle sizes of > 300, 250-125, 125-70, 70-38.

TL;DR: In this article, the adsorption and photocatalysis ability of TiO2 nanoparticles supported on natural zeolite (TI-ZE) were evaluated using X-ray diffraction (XRD), Brunauer-Emmett-Teller analysis (BET), and transmission electron microscopy (TEM).

TL;DR: Comparisons demonstrate that the predicted viscosity of RBF neural networks agree well with the experimental data, which outperforms many existing theoretical and empirical models.