Jack W. Barnett General Chemical Corp. Parsippany, N.J.
A new formulation of calcium chloride has proven effective at drying distillate streams in commercial refineries.
The product can be used at lower temperatures than rock salt, increasing its drying effectiveness. In addition, the problem of bridging, commonly associated with calcium chloride dryers, is eliminated.
Three case studies illustrate the product's uses and benefits.
For many years, refiners have used rock salt (sodium chloride) and calcium chloride to dry distillate and cracked product streams. It is generally recognized that rock salt will reduce product haze point to 15o to 20o F. below the operat...