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Comment PDF Solids Handling

Powder and Bulk Solids Handling: Particle Size and Distribution Analysis

By Chemical Engineering |

The size and size distribution of particles are important determining factors in the design and operation of many process operations involving dry particles and powders. Follow this guidance to understand the impact of these key characteristics  Bulk solids are dry particles with particle sizes that range from a few millimeters to a few nanometers. The characteristics of bulk solids change with particle size and particle-size distribution. As such, particle size is one of the key parameters in powder characterization [ 1]. Information about the particle-size distribution of a powder is also an important step in many chemical process operations, and improper particle-size analyses can result in poor product quality and high rejection rates, which leads to economic losses. Particle size and its distribution also have a significant effect on the bulk density, mechanical strength, and electrical and thermal properties of the finished product [ 2]. Meanwhile, particle-size distribution determines a variety of important physical and chemical properties such as mechanical bulk behavior, surface reaction, taste, miscibility, filtration properties, and conductivity [ 3]. Based on 1993 British Standards [ 4], any discrete particles whose…
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