8.7. EVAPORATION OF BIOLOGICAL MATERIALS
8.7A. Introduction and Properties of Biological Materials
The evaporation of many biological materials frequently differs from the evaporation of inorganic materials such as NaCl and NaOH and organic materials such as ethanol and acetic acid. Biological materials such as pharmaceuticals, milk, citrus juices, and vegetable extracts are usually quite heat-sensitive and often contain fine particles of suspended matter in solution. In addition, because of problems due to bacteria growth, the equipment must be designed for easy cleaning. Many biological materials in solution exhibit only a small boiling-point rise when concentrated. This is because suspended solids in a fine, dispersed form and dissolved solutes ...
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