GRANULATION AND IT'S TYPES

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Granulation ka matlab hota hai granules banane ka process, jo chote, gola ya viksit aakar ke particles hote hai, jiske aamtaur par 0.2 se 4.0 mm ke beech mein size hota hai. Granulation ke process ko aksar dawai, khadya prasanskaran aur rasayan nirmaan jaise kai udyogon mein prayog kiya jaata hai.

Definition:-  It is defined as the process of particle enlargement by agglomeration technique 

Granulation ke kuch pramukh prakaar hote hai:-


Dry granulation: Ye process ek aisa process hai jisme sukhay padartho ko thos granules mein tabdeel kiya jaata hai. Ye process tab prayog kiya jaata hai jab granulate kiya jaane wala padarth garmi ya nami ke prati sensitive ho.


Wet granulation: Ye process ek aisa process hai jisme powder mishran mein ek taral binder ko milaakar granules banaye jaate hai. Ye process tab prayog kiya jaata hai jab granulate kiye jaane waale padarth ko garmi ke prati sensitive ho ya taral mein ghul kar aasani se sambhav ho.


Melt granulation: Ye process ek aisa process hai jisme padarth ko pighlaakar aur fir jamaa karke granules banaye jaate hai. Ye process tab prayog kiya jaata hai jab granulate kiye jaane wala padarth garmi ke prati sensitive ho.


Spray granulation: Ye process ek aisa process hai jisme powder mishran par taral ko chhidkate hue granules banaye jaate hai. Ye process tab prayog kiya jaata hai jab kisi bahut saare chote powder ko ek saamaanya aakaar mein tabdeel karna ho.


Extrusion granulation: Ye process ek aisa process hai jisme padarth ko ek die ke maadhyam se dabaakar granules banaye jaate hai. Ye process tab prayog kiya jaata hai jab padarth ko jaldi aur prabhavi tareeke se granulate kiya jaana ho.



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