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SPRAY DRYER
KASHISH WILSON
ASSISTANT PROFESSOR
MM COLLEGE OF PHARMACY MM(DU) MULLANA AMBALA
PRINCIPLE..
• Spray drying is an industrial process for dehydration of a liquid
feed containing dissolved and/or dispersed solids, by
transforming that liquid into a spray of small droplets and
exposing these droplets to a flow of hot air.
ADVANTAGES..
• Product quality and properties can be effectively controlled and maintained
through the entire drying operation.
• Thermolabile products/ pharmaceuticals can be dried at atmospheric pressure
and low temperature.
• Spray dryer permits high- tonnage production in continuous operation
adaptable to conventional PLC control (Programmable Logic Controller) and it is
relatively simple to operate.
• Feedstock in solution, slurry, emulsion, paste, and melt form can be dried if
pump able.
• Corrosion problem is minimal and the selection of materials of construction of
spray dryer is simplified since the dried material comes in contact with the
equipment
DISADVANTAGES....
• Spray dryer is bulky and also expensive to install.
• It is difficult to clean after use.
• It has a low thermal efficiency that is a lot of heat is wasted
duringoperation.
• Solid materials cannot be dried using spray dryers.
• Product degradation or fire hazard may result from product
deposit on the drying chamber
PHARMACEUTICAL USES....
• Spray dryer is used in drying pharmaceuticals like penicillin, blood
products, enzymes, vaccines, etc
• It is used in the production of excipients and co-processed
excipients with increased floability, compatibility, and tablet
disintegration.
• To improve drug compressibility and reduce capping tendencies in
crystals.
• It is equally used in the preparation of matrix microcapsule
containing drugs substances and a biodegradable
THANKS.....

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SPRAY DRYER

  • 1. SPRAY DRYER KASHISH WILSON ASSISTANT PROFESSOR MM COLLEGE OF PHARMACY MM(DU) MULLANA AMBALA
  • 2. PRINCIPLE.. • Spray drying is an industrial process for dehydration of a liquid feed containing dissolved and/or dispersed solids, by transforming that liquid into a spray of small droplets and exposing these droplets to a flow of hot air.
  • 3. ADVANTAGES.. • Product quality and properties can be effectively controlled and maintained through the entire drying operation. • Thermolabile products/ pharmaceuticals can be dried at atmospheric pressure and low temperature. • Spray dryer permits high- tonnage production in continuous operation adaptable to conventional PLC control (Programmable Logic Controller) and it is relatively simple to operate. • Feedstock in solution, slurry, emulsion, paste, and melt form can be dried if pump able. • Corrosion problem is minimal and the selection of materials of construction of spray dryer is simplified since the dried material comes in contact with the equipment
  • 4. DISADVANTAGES.... • Spray dryer is bulky and also expensive to install. • It is difficult to clean after use. • It has a low thermal efficiency that is a lot of heat is wasted duringoperation. • Solid materials cannot be dried using spray dryers. • Product degradation or fire hazard may result from product deposit on the drying chamber
  • 5. PHARMACEUTICAL USES.... • Spray dryer is used in drying pharmaceuticals like penicillin, blood products, enzymes, vaccines, etc • It is used in the production of excipients and co-processed excipients with increased floability, compatibility, and tablet disintegration. • To improve drug compressibility and reduce capping tendencies in crystals. • It is equally used in the preparation of matrix microcapsule containing drugs substances and a biodegradable