Water and wastewater treatment plants and pumping systems require humidity control to help protect expensive instrumentation and process control equipment from corrosion caused by excess humidity.
Desert Aire dehumidifiers help preserve expensive equipment in areas ranging from pumping stations to filtration buildings to sludge dewatering facilities.
Many municipalities are installing enclosures over their treatment plants to obtain better control of their process. In addition, these utilities require the installation of pumping
stations (both subterranean and above ground) to facilitate the movement of water throughout the distribution system. An ever increasing problem for the utilities is the deterioration
of the treatment plant’s physical structures. Many of these problems stem from condensation on pipes, tanks, supports and electrical equipment. The moisture enters these facilities from a variety of sources;
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Moisture follows a physical law of nature which causes it to migrate to locations of lower concentration. This means that on hot humid summer days, moisture will find a path to the inside of a structure. This could be from poor or non-existent vapor barriers or cracks in the wall. In some instances, the outdoor air is purposely brought inside to eliminate a dangerous build-up of methane or chlorine gases. Finally, open tanks will provide a continuous source of moisture within the structure. The moisture inside the plant will condense on any surface which has a lower dew point temperature such as the outside wall of a pipe or tank. This water will cause rust and corrosion on any of the metal surfaces. In addition, electrical controls and contacts can be affected causing extensive damage and possible process problems. See Figure 1 below.