Spray drying is a method of producing a dry powder from a liquid by rapidly drying with a hot gas. This is the preferred method of drying of many thermally sensitive food products, like milk powder, proteins, vitamins, nutraceutical etc, A fine powder is produced with a spray dryer but it can have a poor product flow.
Instead of drying the liquid in one stage, drying is done through two steps: the first step is the spray dryer. In the second […]