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INTRODUCTION

a WORD abOUT YOUR DElTa aDVaNCED WaSTEWaTER TREaTMENT SYSTEM aND HOW IT WORKS

The ECOPOD-NFixed Film Wastewater Treatment System that you have purchased produces high quality water suitable for various disposal methods. It is used to enhance your on-site wastewater disposal system. You can be proud that in purchasing your ECOPOD-NFixed Film Wastewater Treatment System and with a minimum amount of maintenance, you can directly contribute to a cleaner, safer environment.

All wastewater treatment systems of this type work by using the bacteria that nature has provided. By pumping air into the system, the bacteria grow and thrive in much larger amounts than would occur naturally. The over population of bacteria speeds up the process of breaking down domestic wastewater, making it safe for release into the environment. This entire process takes place within the walls of your specially designed, self-contained ECOPOD-NFixed Film Wastewater Treatment System.

The result of this process is a clear, odorless discharge, which meets or exceeds state water quality standards.

By following the few simple steps that you find in this manual, your ECOPOD-NFixed Film Wastewater Treatment System will provide you with years of service and the knowledge that you are doing your part to protect public health, our ground water, lakes, rivers, and streams.

The ECOPOD-NFixed Film Wastewater Treatment System may be only one of several components required by your health department to provide a complete on-site system.

ECOPOD-N

DESCRIPTION

Wastewater enters a pretreatment/settling tank similar to conventional septic tanks. In this tank, debris and settleable solids settle to the bottom and are decomposed by anaerobic bacteria.

The effluent leaves the pretreatment tank and enters the ECOPOD-NFixed Film Wastewater Treatment System reactor tank, where it is introduced to an oxygen-rich environment. In this oxygen rich environment, a colony of bacteria, called the biomass, develops and is capable of digesting (breaking down) biodegradable waste into carbon dioxide and water. This is a continuous process as long as the biomass is supplied with incoming wastewater and oxygen. The ECOPOD -N® Fixed Film Wastewater Treatment System is a specially designed containment device that houses an engineered plastic media specifically designed to treat domestic wastewater. The engineered plastic media has a 19mm sheet spacing with a total surface area of 47 square feet/cubic feet of media pack. The ECOPOD -N® Fixed Film Wastewater Treatment System is submerged in a tank of liquid, which operates as a dilution/recirculation clarifier zone. An external air compressor is connected to the tank to provide the necessary air to the system. There are no moving mechanical parts or filters in the ECOPOD -N® Fixed Film Wastewater Treatment System.

In this system, conditions are favorable only to attached growth bacteria. This means that the most common disadvantages of other types of systems are eliminated. No rising sludge, floating sludge or washouts can occur.

In addition to CBOD and TSS reduction, ammonia nitrogen is one of the contaminants reduced by the ECOPOD-NFixed Film Wastewater Treatment Nitrification of the ammonia and denitrification of nitrates occur within the bacteria masses. Complete nitrification occurs in the reactor zone, as the liquid is recirculated in the tank, the nitrates flow through the anoxic zone where they come into contact with the carbon source present in the sludge at the bottom of the tank. The nitrate is stripped of the oxygen molecule converting the nitrate to nitrogen gas. A 50%+ removal rate of total nitrogen is common without any type of recirculation or cycling of the blower.

Fecal Coliforms are yet another constituent of domestic wastewater that, when reduced, are indicative of the overall pathogen reduction performance of the treatment system. The ECOPOD-NFixed Film Wastewater Treatment System is capable of reducing fecal coliforms to under 30,000 counts per 100ml.

By following the few simple steps that you find in this manual, your ECOPOD-NFixed Film Wastewater Treatment System will provide you with years of service and the knowledge that you are doing your part to protect public health, our ground water, lakes, rivers, and streams.

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