Fine grinding in wet stirred media mills is a key operation numerous industrial processes. During milling, beads (typically millimetre scale) collide with each other under rapid agitation. These collisions transfer energy into the surrounding medium, feed stream comprising premixed slurry (a suspension of micron-sized particles), leading to reduced particle size. Numerical simulation provides a...

Fine and ultrafine grinding of limestone are frequently used in the pharmaceutical, chemical, construction, food, cosmetic industries, however, research investigations have not yet been published on combination energy life cycle modeling. Therefore, first aim this work was examination main parameters particles to determine an empiric energy-model. Dry wet experiments carried out with a Bond mil...

The effect of stirring in an inhomogeneous oscillatory medium is investigated. We show that the stirring rate can control the macroscopic behavior of the system producing collective oscillations (synchronization) or complete quenching of the oscillations (oscillator death). We interpret the homogenization rate due to mixing as a measure of global coupling and compare the phase diagrams of stirr...

The present literature review explores the energy-efficient ultrafine grinding of particles using stirred mills. provides an overview different techniques for size reduction and impact energy requirements on choice It also discusses factors, including design, operating parameters, feed material properties, influencing performance. concludes that mills have significant potential achieving partic...

Aiming at predicting what happens in reality inside mills, the contact parameters of iron ore particles for discrete element method (DEM) simulations should be determined accurately. To allow the irregular shape to be accurately determined, the sphere clump method was employed in modelling the particle shape. The inter-particle contact parameters were systematically altered whilst the contact p...

Background: Lignocellulosic biomass has many functionalities that hold huge potential for material, energy or chemistry applications. To support advanced applications, the must be milled into ultrafine powder to increase reactivity. This milling unit operation needs fully mastered deliver high-quality standard end-products. Here we studied relationship between charac...