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Size Reduction. By Sidra Jabeen Department of Chemical Engineering, University of Engineering & Technology Lahore . Size Reduction. Large size particles …

Size reduction | PPT

9. Processes which depend primarily forces to accomplish the desired separation of components The Mechanism of Size Reduction In the grinding process, materials are reduced in size by fracturing them. In …

Size Reduction Equipment-2 | PDF | Mill (Grinding)

Size Reduction Equipment-2 - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. 1) Crushers and grinders are the main types of size reduction equipment. Crushers use compression to reduce the size of large particles while grinders use impact and attrition to produce powders from …

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Size Reduction | SpringerLink

A colloid mill is used in the size reduction of solids and droplet present in suspension or emulsion (Fig. 6.16). A colloid mill consists of a rotating cone (rotor), a static cone (stator), and a feeding unit. The size reduction mainly takes place due to the shearing action in the narrow gap between the rotor and stator. The wear is reduced by ...

Size reduction ppt | PPT

2. Introduction Definition- Size reduction is the process of reducing substances to smaller particles OR Process of reducing large solid unit masses into small unit masses i.e. Coarse or fine particle When the particle size of solids is reduced by mechanical means it is known as milling. The size reduction operation can be divided …

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Ball Mill • Fine crusher (Feed size: 1-5 mm. Product size: <0.2 mm) • Mechanism of size reduction: impaction and sompression • Critical speed= 76.6/square root of D. At this speed the centrifugal force …

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Size Reduction Equipments

Title: Size Reduction Equipments 1 Size Reduction Equipments 2. Hammer Mill Equipment ; It is type of a grinder machines ; Operate at a very high speed, up to 8000 rpm ; Acting primary by impact ; 3 Figure1 Hammer Mill. 4. 2. Ball Mill Equipment ; The ball mill cylinder contains balls that occupy 30-50 of the total volume of the cylinder.

(PPT) SIZE REDUCTION OF SOLID FOODS

Before size reduction, the cryogenic process breaks up the material and regulates the thermal increase in the grinding system. It results in high quality of the product and high quality of the system. Cryogenic broiling includes the cooling with a cryogenic liquid (usually liquid nitrogen) or carbon dioxide of a material below the embitterment ...

Size reduction | PPT

15. Rittnger's Law States that the energy required for size reduction is proportional to the change in surface area of the pieces of food The power n the value of 2 and following relation, known as kick's law is …

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Ball mill | PPT

7. The ball mill is used for grinding materials such as coal,pigments,and fedspar for pottery. Grinding can be carried out in either wet or dry but the former is carried out at low speeds. The advantages of wet grinding are less power consumption,increased capacity,no dust formation etc…. Dis advantages are high wear on the grinding medium ...

Size Reduction Techniques | PPT

Size reduction.ppt. 1. Size reduction.ppt OMARkhaled457805 ... The Macardle Moore - PRESENTATION - Frank OCallaghan.pptx ... Physiological effect: Some drugs are very potent. …

Size Reduction

The feed to the mill needs to be pre-treated to reduce the particle size to 100 mesh, enabling the process to yield a product as small as 5 μm or less Advantages The particle size of the product is smaller than that produced by any other method of …

Milling (size reduction and separation) | PPT

42 likes • 32,696 views. Pharmacy Universe. 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 . The mechanical process of reducing the particle size of a solid is also called milling. Read more.

Size reduction theories | PPT

The energy requirement for particle size reduction is a function of input and output of particle size, hardness, strength and other properties of solids. 3. Various theories for energy requirement are: Rittinger's theory Kick's theory Bond's theory. 5. Integrating equation (1), E= C ln (di/dn) …. (2) (di/dn) = reduction ratio.

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Uses: • Fluid energy mill is used to reduce the particle size (10-325mesh) of most of the drugs such as antibiotics and vitamins. • Ultrafine grinding can be achieved moderately hard material can be processed for size reduction. Advantages: • Contamination is not possible.

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Presentation Transcript. Industrial Pharmaceutical Size Reduction Faculty of Pharmacy OCTOBER 6 University. SIZE REDUCTION • Process of reducing larger size solid unit mass to smaller size unit masses by mech • Rate depend on the starting of the material its orientation & residence time in the mill . OBJECTIVES : 1- susp.

size reduction,laws involved in size reduction,application & mills | PPT

Size reduction process is also referred to as comminution and grinding. When the particle size of solids is reduced by mechanical means it is known as milling. 2. Mechanism of Size Reduction: Cutting – here the material is cut by means of a sharp blade or blades. EX: Cutter mill Compression – in this method, the material is crushed …

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Size Reduction. Size Reduction. By Sidra Jabeen Department of Chemical Engineering, University of Engineering & Technology Lahore . Size Reduction. Large size particles are converted …

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911 likes | 2.06k Views. Industrial Pharmaceutical Size Reduction. Faculty of Pharmacy OCTOBER 6 University. SIZE REDUCTION. Process of reducing larger size solid unit mass to smaller …

Size reduction | PDF

Size reduction - Download as a PDF or view online for free. Size reduction - Download as a PDF or view online for free ... Size reduction.ppt. 1. Size reduction.ppt OMARkhaled457805 ... EDGE …

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Presentation Transcript. Size reduction. Theory • Force for reduce the size of food • Compression forces • Impact forces • Shearing (or attrition) forces. Stress-strain diagram for various foods. Relationship between stress and strain force in size reduction • When stress (force) is applied to a food the resulting internal strains are ...

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Ultrafine Grinder • Reduce solids to fine particles • Accepts feed particles not larger than 6 mm. • The product size is typically 1 to 50 μm. • Reduce the solid size by attrition • Types: Classifying hammer mills, fluid energy mills, agitated mills and colloid mills. Cutting machine • Give particles of definite size and shape 2 ...

2022/sbm size reduction mill ppt.md at main · naicha22/2022

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Reduce the file size of your PowerPoint presentations

Sep 29, 2014. 680 likes | 3.26k Views. Particle Size Reduction & Separation. Kausar Ahmad Kulliyyah of Pharmacy. Contents. Particle size reduction Fluid …

Size Reduction: Crushing Laws and Equipment | PDF | Mill

Lecture 3 Size Reduction - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online.

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Kick's law the energy required to reduce the size of particles is proportional to the ratio of the initial size of a typical dimension to the final size of that dimension E (J.kg-1) = the energy required per mass of feed (W/ (kg/s)) KK = Kick's constant, d1 (m) = the average initial size of pieces, d2 (m) = the average size of ground ...

Size reduction | PPT

Processes which depend primarily forces to accomplish the desired separation of components Colloid mills Colloid mills are more effective than pressure homogenizers in creating high shear and are …