# rittinger law specific grinding

### Relationship between comminution energy and product size ...

Conversely Figure 3, which illustrates the relationship between the product P80 and the net specific grinding energy for all LIMS tail (non magnetic) and LIMS concentrate (magnetic) samples tested using the batch ball mill, indicates that at finer grind levels the LIMS tail (non magnetic) produces a finer P80. ... Rittinger's law Batch ...

### Energy requirements in size reduction of solids - …

law of Kick. The slope of cumulative curve varies from m = 0 to m 0.1. the range of coarse grinding is the range of Bond's theory, (rn = — 0.5) and the range of fine grinding is the range of Rittinger's theory ( m = — 1.0 ). - the range of fine grinding from m = —1 to — 3, — the range of approaching grinding …

### rittinger law crusher

Neither of these two laws permits an accurate calculation of the energy requirements. Rittinger's law is . Airborne Dust Liberation During Coal Crushing CDC. Analogous to the laws of Bond, Kick and Rittinger [20], more specific energy is required to crush coal material into smaller product sizes.

### bond s law of size reduction

CHAPTER 3 GRINDING AND FLOUR CHARACTERIZATION. Kick's, Rittinger's and Bond laws. Size reduction of broken rice was enumerated by the comparison made between the new surface areas generated to the energy consumed for generating that area. Three empirical relationships (Kick, Rittinger and Bond) have been suggested for determining energy.

### Superfine Grinding of CPC with Ball Race Mills Challenges ...

Superfine Grinding of CPC with Ball Race Mills ... It follows the "Law" of Rittinger [8]: Travaux 47, Proceedings of the 36th International ICSOBA Conference, Belem, Brazil, 29 October - 1 November, 2018 524. The specific power consumption for grinding W M. is proportional to the newly created . specific surface S M.

### Grinding of Coriander Seeds: Modeling of Particle Size ...

Energy consumption for grinding was studied based on classical grinding laws, namely, Bond's, Rittenger's and Kick's law. Bond's Work index varied from 0.5 to 4.3 kJ kg −1 depending on the size reduction ratio. Energy consumption followed a linear relationship with size reduction ratio.

### bond s law for crushing

Bond called his theory the "third theory of comminution" counting those of Peter von Rittinger and Friedrich Kick as the first and second. This term and the terminology of "laws of comminution" as in "Rittinger's law" "Kick's law" and "Bond's law" are sometimes used in the field, along with those of subsequent researchers . CPE: Lesson 15.

### size reduction,laws involved in size reduction ...

· size reduction,laws involved in size reduction,application & mills 1. SIZE REDUCTION Size reduction is the process of reducing the particle size of a substance to a finer state of subdivision to smaller pieces to coarse particles or to powder. Size reduction process is also referred to as comminution and grinding.

### Peter von Rittinger - Wikipedia

The son of poor parents, Peter von Rittinger attended high school in Leipnik (Lipník nad Bečvou, Moravia) and, in difficult circumstances, studied at the Faculty of Philosophy and the Faculty of Law of University of Olomouc.After completion of legal studies, von Rittinger studied in the Montanist box at the Mining and Forestry Academy in Schemnitz (Banská Štiavnica, Slovakia).

### A commentary on the Kick, Bond and Rittinger laws of grinding

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 …

### 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 ...

### (PDF) Comminution energetics part III : Bond's law and ...

GRINDING LAWS The three laws of Rittinger, Kick and Bond can all be derived from the follow- ing relationship, proposed by Charles (1957), between energy consumed and mate- rial size C.51 : &=-kg Yn Setting the exponent n to 1, 11 or 2 upon integration defines the laws of Kick, Bond and Rittinger …

### Unit OperatiOn Size Reduction - جامعة تكريت

It has been found, experimentally, that for the grinding of coarse particles in which the increase in surface area per unit mass is relatively small, Kick's Law is a reasonable approximation. For the size reduction of fine powders, on the other hand, in which large areas of new surface are being created, Rittinger's Law fits

### 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

### Grinding and comminution - Delft Solids Solutions

•To increase the specific surface area •To produce particles of certain size/shape ... Rittinger [s law, b)Kicks law and c)Bonds Law 20. Predicting Energy Requirements Rittinger: C R ... •Use wet grinding (good heat transfer, liquid may serve a heat sink)

### Breakthrough in Clinker Grinding - Concrete Sustainability …

Breakthrough in Clinker Grinding Richard P. Bohan John P. Kline This paper was reviewed by and ... derived formulas and indices. The standard work indices of Kick, Bond and Von Rittinger each work within specific particle size ranges based on empirically derived factors. ... Griffith's Law also requires a characteristic length scale to define ...

### Size reduction equipment - Part I, Fabrizio Sarghini ...

He considered that for the grinding of solids, the energy required should be proportional to the new surface produced, assigning the value of 2 to the power n, and obtaining the Rittinger's law by integration of Eq. (2)

### Rittinger Law Specific Grinding - immersion-profonde.ch

rittinger law specific grinding impactcrusherinfo.webcam. Rittinger's law has been found to hold better for ﬁne grinding, PE series jaw crusher is usually used as. Energy requirements in size reduction of solids [email protected]

### 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

### grinding and crushing laws

rittinger law specific grinding Grinding And Crushing Laws - ilcapriccio-falisolle.be. Rittinger and Kick's Laws of Crushing ... of Kick's Law. ... Comminution theory, as it relates to crushing/grinding laws, and the equipment involved in crushing/grinding will provide a basis for understanding the plant design. The means of evaluating and ...

### Development of size reduction equations for calculating ...

This study was therefore carried out to evaluate the influence of drying and grinding sequence on biomass energy consumption and properties (specific grinding energy requirement, specific drying ...

### grinding and crushing laws

All the three classical models such as Rittinger's, Kick's and Bond's law were found suitable to explain the energy consumption for grinding. Energy consumption ... Crushing and Grinding …

### Rittinger - an overview | ScienceDirect Topics

Kick's law, valid for particles greater than 0.5 cm, was used less than Rittinger's law, which proved to be interesting for particles smaller than 100 μm at the mouth of the grinder. ... Calculate the specific grinding energy for the fine particle tumbling mill to give a product P 80 of 106 μm. Solution.

### Unit Operations in Food Processing - R. L. 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 the energy required to reduce L for a mass of particles from 10 cm to 5 cm would be the same as that required to reduce, for example, the same mass of 5 mm particles down to 4.7 ...

### specific for grinding

Grinding Media & Grinding Balls ... and years of experience to ensure they get the right grinding media at the right time and the right price for their specific ... Contact Supplier rittinger law specific grinding

### application of crushing law

Rittinger's Law - Unit Operations in Food Processing - RL Earle Perhaps the most extensive application of grinding in the food industry is in the ... where KK is called Kick's constant and fc …

### Laws Of Crushing And Grinding

Sep 04, 2016· Three laws of comminution or size reduction such as Kick's law, Rittinger's law and Bond's law are defined and its objectives in … Get Price; rittinger law specific grinding . laws of crushing and grinding The law specifically grinding Rittinger. It is against the law!

### grinding and crushing laws

Rittinger's Law Unit Operations in Food Processing RL Earle. Grinding is a very inefficient process and it is important to use It implies that the specific energy required to crush a . Inquiry price now

### Relationship between comminution energy and product size ...

Conversely Figure 3, which illustrates the relationship between the product P80 and the net specific grinding energy for all LIMS tail (non magnetic) and LIMS concentrate (magnetic) samples tested using the batch ball mill, indicates that at finer grind levels the LIMS tail (non magnetic) produces a finer P80. ... Rittinger's law Batch ...

### 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 ...

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