Odor Control For Collection Systems Using Ionization And Oxidation

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•Case Study: Odor Control For Collection Systems Using Ionization And Oxidation

Rapid urban growth, common to all regions of the United States and Canada, has dramatically increased the volume of human waste that must flow from residential dwellings to remote processing plants. This waste flows through a complicated system of piping and holding tanks known as the wastewater collection systems.

Sprawling urban development challenges the collection system to traverse various terrains and man made obstacles, keeping effluent flowing. Pump stations, also known as lift stations, are commonly used to overcome these topographical issues. Waste fluids flow by gravity or fare forced under pressure from collection point to collection point as the waste is routed to processing plants.

This collection process requires “breathing” to function correctly. These breathing paths are through controlled vents and in some instances uncontrolled openings. These paths allow flow in both directions. Pumps require make up air to prevent cavitations during the pump down cycle. On the fill cycle into these holding tanks, air is displaced through these very same outlets. The air that is displaced often contains odorous gases.

These odorous gases, most commonly sulfur based, are very unacceptable to people living and working in the immediate area. This air displacement and close proximity to neighbors adds a new requirement to the collection system, i.e. “odor control”.

These odors are unacceptable to the people living and working in the immediate area. A reliable odor control system is necessary to allow the waste collection system and a habitable space to coexist. Ideally the required odor control system must be reasonably priced, low maintenance, and economical to operate.

The TRI MED Oxidizer System addresses these needs. This paper will discuss in detail the Oxidizers operation and illustrate field test results achieved during its Beta testing cycle. The system has since been operated by municipalities throughout North America for the last 7 years. Product enhancements over these seven years has enabled the system to be adapted to larger load conditions and other related applications.

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•Case Study: Odor Control For Collection Systems Using Ionization And Oxidation

SOURCE: Flygt -- A Xylem Brand