M. Alonso

TL;DR: In this article, the authors extended the mechanism of coating of a coarse granular material by a fine cohesive powder in a rocking-type mixer, presented in a previous publication, to the case of mixers with higher mechanical energy input, such as high-speed-stirred mixer and high-shear mill.

TL;DR: In this paper, the segregation of particles due to differences in size and density has been investigated in a two-dimensional horizontal rotating cylinder and a parameter is developed to describe the segregation process.

TL;DR: In this paper, the average distance between the centers of two contiguous outer particles is found to be 4/3 times their diameter, and the corresponding number of randomly packed particles equals 1/λ2 (= 0.56) times the maximum possible (hexagonal-packed) number of particles which can adhere to a given central particle.

TL;DR: In this article, the authors investigated the mechanism of coating a coarse powder by a fine adhesive powder in a rotary-type mixer with rocking motion and found that the shearing and friction forces generated by the rotational movement of the mixer turned out to exert a strong and positive effect on the rate of coating.

TL;DR: In this paper, a discrete model for the description of the exchange of fines between carriers in the powder coating process is presented, based on a population balance relating the distribution of fines within the carriers at a given time to that existing after a small time-interval, within which each carrier suffers on the average just one collision.