Sunday, May 19, 2013

The invention of spray drying

The history of spray drying is traceable to a United States patent issued in 1872. The patent no 125,406 entitled ‘Improvement in Drying and Concentrating Liquid Substances by Atomizing.’

Samuel Percy was first described the principle of spray drying and he is considered to be the inventor of spray drying technology.

It took nearly 50 years for the first commercially successful spray dryer design to be developed and operated on so-called heat sensitive products.

Since that time, the spray drying process has been developed for use in a wide range of industrial applications including the manufacture of powdered soaps and detergents, powdered milk, instant coffee, corn starch, fertilizer production, powdered polymer resins and the production of mineral ores and clays.

 It has also been employed as a process technology to impart unique functional attributes onto excipients such as lactose, mannitol and micro-crystalline.

The big step forward in spray drying technology was the invention of instantization by Peebles.

Further innovations were the development of membrane methods for concentrating and fractionating prior to spray drying and the introduction of three stage drying procedure.
The invention of spray drying
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