June 16 2020
Indirect cooling of gas streams is often preferable because it eliminates the possibility of contamination of the stream being cooled. Other times, the versatility of a direct cooler to provide gas cleaning in addition to cooling can provide process benefits, saving time and money. Kimre Kon-Tane® Scrubber and Tower Packing and Kimre B-GON® Mist Eliminators are perfectly suited to provide effective cooling and cleaning in a direct contact cooler.
A specialty chemicals manufacturer used a recycled nitrogen stream that was cooled from 60 °C to 20 °C. They had been using an indirect cooler for a number of years, but 1000 mg/cubic meter of insoluble polymer in the 70,000-cubic-meter per hour nitrogen stream clogged the heat exchanger and required extensive annual maintenance to clean the unit.
The chemical company considered other options and decided on a direct cooled system. The system consisted of an evaporative cooling section, a two-stage sensible cooling system using Kimre Kon-Tane® Scrubber and Tower Packing and a Kimre B-GON® Mist Eliminator.
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