... port. As dryer to dry nitrogen, oxygen, hydrogen, hydrogen chloride and sulfur dioxide. Act as dehydration agent when producing alcohol ... , ester, aether and crylic acid. Calcium chloride is a kind of important cryogen used by freezing machine ... bean industry it acts as flecculation.technical index 4. Calcium Chloride Speicifcations Test Items/ Specifications/ Results/Content≥74%74.56 ...