Product Spotlight - Wastewater: August 2020

Product Spotlight - Wastewater: August 2020

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Controlling odors has long been one of the most important — and yet challenging — aspects of wastewater treatment. Foul odors are a common source of complaints, igniting objections from plant workers and neighbors alike. To combat the issue, Anue Water Technologies offers a geomembrane-based odor-control system for wastewater treatment plants.

The solution consists of custom-designed geomembrane with integrated odor-control filters. It is designed to reduce odorous emissions for tanks and containers of nearly any shape or size. The membranes are very low-permeability synthetic liners that control fluid migration, are made from a material with high tensile strength and chemical resistance, and are fitted with pockets containing replaceable filter media. They are supported by a cable grid and batter bars so that it is unaffected by aeration, changing water levels, foaming, bacteria and other conditions.

“Anue is pleased to introduce this innovative, thoroughly tested and proven technology in the U.S., Canada and Caribbean region,” says Paul Turgeon, Anue CEO. “These geomembranes provide many more municipal and industrial customers an even lower-cost approach to sustainable odor control. This broadens Anue’s product line to a wider range of odor control solutions.”

The membranes have a life expectancy of more than 10 years, even in harsh environments, according to the manufacturer. The filter inserts last 9 to 18 months, depending on the emission level. The filters consist of a spongelike media impregnated with an odor-control substance. Air flows through freely, allowing the system to breathe while odors are captured. Rainwater does not hinder odor-capturing ability.

With an ability to remove all odors, including those from sulfide and ammonia buildup, which can be difficult to control, the geomembranes can be used in practically any application. According to Turgeon, there has been a lot of early uptake in the food and beverage industry, and the geomembranes are also being used as vent covers in the petrochemical industry to prevent noxious gases from escaping. Gas-specific filters for hydrogen sulfide and ammonia can be combined in the system for optimal control, even under grates and manhole covers.

“We’re getting a lot of interest with every application, and the word-of-mouth factor has been pretty impressive,” Turgeon says. “We’ve only had this technology in-house for a short period of time, but we have a significant pipeline of opportunities and an impressive market response.” 



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