What kind of techniques used for dehydration process, instead of freeze drying?

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Frederick Sarpong

Thermal energy has been used since acient time

Taimoor Iqbal

Is there any alternative for Organics

Mirosław Grzesik

What is the nature of dehydration process in material synthesis. Is this a chemical process? Freeze drying is used for sensitive-temperature materials. This is an expensive method. The question is not clear.