To make dry milk. By removing water from concentrated milk to make water in concentrated milk decreased. By the process, milk products, commonly used have 2 system is the system drying roller (drum drier) or spray capillary. (spray drier) in the atmosphere of the hot air.The drying process is heat. In order to remove the water from the material. The material has a moisture reduced. Is water a phase change. And it has solid materials.
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