rittinger law specific grinding

  • Chemical Engineering Stop: Bond's law

    May 14, 2010 · Where Kb is a constant that depends on the type of machine and on the material being crushed. To use this equation, a work index Wi is defined as the gross energy requirement in kilowatt-hours per ton of feed needed to reduce a very large feed to such a .

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  • Unit Operations in Food Processing - R. L. Earle

    Grinding and cutting. Energy Used in Grinding Kick's Law Rittinger's Law Bond's Law Work Index New Surface Formed by Grinding shape factors specific surface Grinding equipment. Crushers Hammer mills Fixed-head mills Plate mills

  • A crushing law proposed by Rittinger in 1867 states that ...

    •A crushing law proposed by Rittinger in 1867 states that – the work required in crushing is proportional to the new surface created • This law, which is really no more than a hypothesis – is equivalent to the statement that the crushing efficiency is constant and, for a given machine and feed material – is independent of the sizes of feed and ...

  • Rittinger law specific grinding

    Grinding and cutting - Unit Operations in Food Processing - RL Earle Equation (11.3) is known as Rittinger's Law.As the specific surface of a particle, the surface area per unit mass, is proportional to 1/L, eqn. (11.3) postulates that ...

  • A commentary on the Kick, Bond and Rittinger laws of ...

    Ponder Technology, 7 (1973) 315-317 Elsevier Sequoia S A, Lausanne - Printed to The Netherlands A Commentary on the Kick, Bond and Rittinger Laws of Grinding L. G. AUSTIN Department of Material Sciences, The Pennsylcanta State University, University Park, Pa 16802 (U S A ) (Received November 8, 1972) 315 Summary Confusion concerning the so-called general lass of grinding proposed by Walker .