Email Adddress: [email protected]

particle size reduction ppt

particle size reduction ppt

PARTICLE SIZE REDUCTION TECHNIQUES - SlideShare

25/03/2016  INTRODUCTION Size reduction is a process of reducing large solid unit masses, coarse particles or fine particles.

Get Price

size reduction - SlideShare

13/03/2015  Simple definition of SIZE REDUCTION  Size reduction is the operation carried out for reducing the size of bigger particles into smaller one of desired size and shape with the help of external forces.  COMMINUTION is another term used for size reduction. 3.

Get Price

Technology Series - Monitoring Particle Size Reduction

Principles of Particle Size Reduction and Characterization 1. Tiny Particles, BIG RESULTS About Microfluidics Who We Are • Founded in 1983 outside Boston, MA • 3,000 processors in 50 countries • Technology Center (virtual tour online) Our Technology • Uniform particle size reduction • Cell disruption with high protein recovery • Bottom-up nanoparticle creation • Continuous ...

Get Price

Chapter 10 Particle Size Reduction - CHERIC

Chapter 10 Particle Size Reduction 10.1 Introduction - To create particles in a certain size and shape - To increase the surface area available for next process - To liberate valuable minerals held within particles * Size reduction process : extremely energy-intensive - 5 % of all electricity generated is used in size reduction - Efficiency of size reduction : 1 % 10.2 Particle Failure ...

Get Price

FM 306: SIZE REDUCTION AND SIEVING - IIT Bombay

Size reduction of particle is very important and useful in many chemical and other industries. This is because: Handling of small particles is easier as compared to that of big particles There is an increase in surface area per unit volume, higher surface area will enhance the rate of reaction involving solids

Get Price

Particle Size Reduction - Pharma Notes

16/03/2021  Size Reduction Size reduction is a process of reducing large solid unit masses into small unit masses, coarse particle or fine particles. Size reduction process is also referred to as commination and grinding. When the particle size of solid reduced by mechanical means it is known as milling.

Get Price

CHAPTER 20: SIZE REDUCTION – EQUIPMENT FOR SIZE

Size reduction is achieved by impact of the balls when they drop from near the top of the shell Energy consumed in lifting the balls is utilized for grinding job When the ball mill is rotated, the balls are carried by the mill wall nearly to the top Balls are released by the

Get Price

Technology Series - Monitoring Particle Size Reduction

Principles of Particle Size Reduction and Characterization 1. Tiny Particles, BIG RESULTS About Microfluidics Who We Are • Founded in 1983 outside Boston, MA • 3,000 processors in 50 countries • Technology Center (virtual tour online) Our Technology • Uniform particle size reduction • Cell disruption with high protein recovery • Bottom-up nanoparticle creation • Continuous ...

Get Price

Chapter 10 Particle Size Reduction - CHERIC

Chapter 10 Particle Size Reduction 10.1 Introduction - To create particles in a certain size and shape - To increase the surface area available for next process - To liberate valuable minerals held within particles * Size reduction process : extremely energy-intensive - 5 % of all electricity generated is used in size reduction - Efficiency of size reduction : 1 % 10.2 Particle Failure ...

Get Price

Size Reduction Mill (Grinding) Hardness

Chapters 12 Particle Size Reduction - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Particle technology

Get Price

Unit OperatiOn Size Reduction

size down to a particle size of 100 μm. q is the reduction ratio where q = L1/L2 . Unit OperatiOn Lecturer . Shymaa Ali Hameed 2013-2014 Note that all of these equations (1), (2) and (3) are dimensional equations and so if quoted values are to be used for the various constants, the dimensions must be expressed in appropriate units. The greatest use of these equations is in making comparisons ...

Get Price

A basic guide to particle characterization

• reduce customer rejection rates and lost orders • demonstrate compliance in regulated markets. WHITEPAPER 2 A basic guide to particle characterization 2. Better understanding of products, ingredients and processes In addition to controlling product quality, a better understanding of how particle properties affect your products, ingredients and processes will allow you to: • improve ...

Get Price

An overview of size reduction technologies in the REVIEW ...

Jet-O-Mizer™ particle size reduction systems The Jet-O-Mizer jet mill has been developed with many distinct design features to consume less power, provide a greater range of throughput (1 to 12,000 lb/h) and ensure exceptional finished product quality. Specific raw material characteristics and production requirements are integrated into a Jet-O-Mizer system. It offers outstanding efficiency ...

Get Price

Effect of Size Reduction Parameters in Pharmaceutical ...

reduce particle size: the hammer mill and the conical mill (Comil). Comils come in a variety of sizes, including tabletop laboratory devices to full-scale, high-capacity machines used for large pharmaceutical processing operations4. Compared with other mills available, Comils offer lower ...

Get Price

Particle Size Reduction Studies on the Lab and Commercial ...

01/04/2012  Size reduction is a common technique used in various industries.1 Generally, size reduction and size separation are combined to obtain powder with the desired particle size distribution (PSD) for acceptable flow and compressibility for downstream processing [1,2]. The mechanical process of reducing the particle size of a solid is also called milling.1 Among different types of milling

Get Price

How Material Size Directly Affects Size Reduction Energy ...

25/03/2015  Rittinger’s Law — The energy required for reduction in particle size of a solid is directly proportional to the increase in surface area. E = K R f c (1/L 2 – 1/L 1) Kick’s Law — The amount of energy required to crush a given quantity of material to a specified fraction of its original size is the same, regardless of the original size.

Get Price

SIZE REDUCTION AND SIZE SEPARATION

Definition, objectives of size reduction and size separation, factors affecting size reduction, laws governing energy and power requirements of mills including ball mill, hammer mill, fluid energy mill etc., sieve analysis, standards of sieves, size separation equipment shaking and vibrating screens, gyratory screens, cyclone separator, air separator, bag filters, cottrell precipitator ...

Get Price

SIZE REDUCTION AND SIZE SEPERATION authorSTREAM

PowerPoint Presentation: Dhiraj S.Nikam Assistant Professor Bharati Vidyapeeth’s College of Pharmacy Navi Mumbai SIZE REDUCTION AND SIZE SEPERATION 1 . SIZE REDUCTION: Size reduction: Size reduction is the process of reducing the particle size of a substance to a finer state. Size reduction process is also referred to as comminution and grinding. When the particle size

Get Price

Size Reduction Mill (Grinding) Hardness

Chapters 12 Particle Size Reduction - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Particle technology

Get Price

(PPT) Particle size ppt neha mahajan - Academia.edu

April 2010 10 Particle Size Analysis AM Healy • Sieving may be performed wet or dry; by machine or by hand, for a fixed time or until powder passes through the sieve at a constant low rate • Wet sieving • Air-jet sieving • Weight distribution April 2010 11 Particle Size Analysis AM Healy Advantages • Easy to perform • Wide size range • Inexpensive Disadvantages • Known problems ...

Get Price

Unit OperatiOn Size Reduction

size down to a particle size of 100 μm. q is the reduction ratio where q = L1/L2 . Unit OperatiOn Lecturer . Shymaa Ali Hameed 2013-2014 Note that all of these equations (1), (2) and (3) are dimensional equations and so if quoted values are to be used for the various constants, the dimensions must be expressed in appropriate units. The greatest use of these equations is in making comparisons ...

Get Price

Week # 12 MR Chapters 11 12 - National University of ...

particle size reduction is directly proportional to the area of new surface created • If initial and final particle sizes are x 1 and x 2 respectively, then assuming a volume shape factor k v independent of size, • If the surface shape factor k s is also independent of size, then for each original particle, the new surface created upon reduction is given by: • Which simplifies to ...

Get Price

An overview of size reduction technologies in the REVIEW ...

Jet-O-Mizer™ particle size reduction systems The Jet-O-Mizer jet mill has been developed with many distinct design features to consume less power, provide a greater range of throughput (1 to 12,000 lb/h) and ensure exceptional finished product quality. Specific raw material characteristics and production requirements are integrated into a Jet-O-Mizer system. It offers outstanding efficiency ...

Get Price

A basic guide to particle characterization

• reduce customer rejection rates and lost orders • demonstrate compliance in regulated markets. WHITEPAPER 2 A basic guide to particle characterization 2. Better understanding of products, ingredients and processes In addition to controlling product quality, a better understanding of how particle properties affect your products, ingredients and processes will allow you to: • improve ...

Get Price

Effect of Size Reduction Parameters in Pharmaceutical ...

reduce particle size: the hammer mill and the conical mill (Comil). Comils come in a variety of sizes, including tabletop laboratory devices to full-scale, high-capacity machines used for large pharmaceutical processing operations4. Compared with other mills available, Comils offer lower ...

Get Price

PROBLEMS IN PARTICLE SIZE: LASER DIFFRACTION OBSERVATIONS

Typical particle size reduction with increasing air pressure. Red line = low air pressure, green line = high air pressure. FIGURE 3. Overlay of a dry dispersion (lowest air pressure from Figure 2, red line) with a liquid dispersion (green line) of the same sample. FIGURE 4. Photograph of particles in Figure 2 and Figure 3. Dispersion techniques that alter the primary particle size of a ...

Get Price

CHAPTER- I INTRODUCTION TO NANOMATERIALS 1.1

(iii) Reduction of particle size from micron to nanometer scale influences the thermal properties like melting point and thermal conductivity. 1.4.3 Applications of Nanoparticles a) Silver nanoparticles have good antibacterial properties, and are used in surgical instruments, refrigerators, air-conditioners, water purifiers etc. b) Gold nanoparticles are used in catalytic synthesis of silicon ...

Get Price

SIZE REDUCTION AND SIZE SEPERATION authorSTREAM

PowerPoint Presentation: Dhiraj S.Nikam Assistant Professor Bharati Vidyapeeth’s College of Pharmacy Navi Mumbai SIZE REDUCTION AND SIZE SEPERATION 1 . SIZE REDUCTION: Size reduction: Size reduction is the process of reducing the particle size of a substance to a finer state. Size reduction process is also referred to as comminution and grinding. When the particle size

Get Price

(PPT) Particle size ppt neha mahajan - Academia.edu

April 2010 10 Particle Size Analysis AM Healy • Sieving may be performed wet or dry; by machine or by hand, for a fixed time or until powder passes through the sieve at a constant low rate • Wet sieving • Air-jet sieving • Weight distribution April 2010 11 Particle Size Analysis AM Healy Advantages • Easy to perform • Wide size

Get Price

A basic guide to particle characterization

• reduce customer rejection rates and lost orders • demonstrate compliance in regulated markets. WHITEPAPER 2 A basic guide to particle characterization 2. Better understanding of products, ingredients and processes In addition to controlling product quality, a better understanding of how particle properties affect your products, ingredients and processes will allow you to: • improve ...

Get Price

An overview of size reduction technologies in the REVIEW ...

Jet-O-Mizer™ particle size reduction systems The Jet-O-Mizer jet mill has been developed with many distinct design features to consume less power, provide a greater range of throughput (1 to 12,000 lb/h) and ensure exceptional finished product quality. Specific raw material characteristics and production requirements are integrated into a Jet-O-Mizer system. It offers outstanding efficiency ...

Get Price

Effect of Size Reduction Parameters in Pharmaceutical ...

reduce particle size: the hammer mill and the conical mill (Comil). Comils come in a variety of sizes, including tabletop laboratory devices to full-scale, high-capacity machines used for large pharmaceutical processing operations4. Compared with other mills available, Comils offer lower ...

Get Price

CHAPTER- I INTRODUCTION TO NANOMATERIALS 1.1

(iii) Reduction of particle size from micron to nanometer scale influences the thermal properties like melting point and thermal conductivity. 1.4.3 Applications of Nanoparticles a) Silver nanoparticles have good antibacterial properties, and are used in surgical instruments, refrigerators, air-conditioners, water purifiers etc. b) Gold nanoparticles are used in catalytic synthesis of silicon ...

Get Price

Particle Size Reduction Studies on the Lab and Commercial ...

01/04/2012  Size reduction is a common technique used in various industries.1 Generally, size reduction and size separation are combined to obtain powder with the desired particle size distribution (PSD) for acceptable flow and compressibility for downstream processing [1,2]. The mechanical process of reducing the particle size of a solid is also called milling.1 Among different types of milling

Get Price

Powder metallurgy – basics applications

facilitate particle size reduction of bulk materials; Eg.: Milling Milling: During milling, impact, attrition, shear and compression forces are acted upon particles. During impact , striking of one powder particle against another occurs. Attrition refers to the production of wear debris due to the rubbing action between two particles. Shear refers to cutting of particles resulting in fracture ...

Get Price

Basic Theory of Particle Size Analysis by Sedimentation

Basic Theory of Particle Size Analysis by Sedimentation Sedimentation of particles in a fluid has long been used to characterise particle size distribution. Stokes' law1 is used to determine an unknown distribution of spherical particle sizes by measuring the time required for the particles to settle a known distance in a fluid of known viscosity and density. Sedimentation can be either ...

Get Price

The Role of Micronization in Reducing the Particle Size of ...

28/08/2018  Mechanical particle-size reduction using a bead mill, however, can also be used to obtain micrometer- and nanometer-sized particles. Jet milling uses pressurized gas to create high particle velocity and high-energy impact between particles. Compared with mechanical milling, jet milling reduces metal contamination and, because process temperature is relatively constant, can be used for heat ...

Get Price