1.milling

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Granulation

Dry

Two specialy grooved rolls, which rotate toward each other (moving in oppositedirection)

Chilsonator

Spray

Single punch tablet machines

This method employing moist granules and dry them in one operation

Fluidized bed granulator

Attrition and Impact

5.Ball mill >Speed of rotation °Low speed °High speed °2/3 speed 6.pin mill Material fed through the centerof the stationary disc 7.fluid energy mill With very sensitive materials, inert gas may be used 8.colloid mill Colloid mill not used for size reductionofsolids

2.MIxing

Liquid mixing

Air jets These symptoms use pressurized air or gas

paddles mixers

impeller mixers use for liquid of low viscosity

propeller mixers propeller shift may be mouted at the angle

Semi solid

mixing rolls

l. Roto feed mixer The matenial is fed into the end of the chomber

mix - Extuders

l. sigma arm mixer can be single or double arm

kneaders

l.planetary mixer contain tow can

Beaters

powder mixing

Tumbling mixers

3.Vertical Impeller mixer It's required little floorspace

2. High sheer mixer The particles movement tends to quickly mix the powder

1.Sigma blade mixer The rotation of the sigma blades couses the materialtomix

Agitation mixer

2 single drive roller mill 2 rolls made of metal or stone mouted horizontaly

4. Hammer mill Size reduction of nux vomica seeds

3.triple roll mill uses suppensions , pastes, ointments ( by attrition)

Compression

Attrition

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Impact

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cutting

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1.Cutter mill Size reduction by cutting is done by knives

1.milling

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