Frequently Asked Questions

How do the Benefits of Oxygen aide in Bacterial Digestion?


The natural cleaning process that our waterways have to clean themselves is based on aerobic bacteria consuming wastes and rendering them harmless. By and large, the effectiveness of these processes is limited by the ability to deliver sufficient oxygen to the bacteria and continue the assimilation process. Waste water from sewage treatment plants often contains organic materials that are decomposed by microorganisms, which use oxygen in the process. (The amount of oxygen consumed by these organisms in breaking down the waste is known as the biochemical oxygen demand or BOD.)

In the over 100 years that these processes have been operated, great strides have been made in the technology to get oxygen to dissolve into water for use in the treatment process. Unfortunately, the solubility of oxygen is quite low (on the order of 10 mg/l) when compared to the BOD exerted in municipal, industrial and agricultural waste waters (typically between 180 mg/l up to 200,000 mg/l of BOD).

The PrO2 gives the ability to deliver and manage sufficient oxygen levels in these systems for the bacteria to consume up to 95% of organic waste, with an energy efficient system that reduces aeration costs by 75% or more.

What are the bugs you talk about?



Though microbes occur naturally in wastewater treatment systems, assistance is often needed when the amount of waste overwhelms the bacteria’s capacity to degrade harmful contaminants.

In these situations, chemical treatments are typically employed, though expensive, difficult to handle, and harmful to the environment.

Bioaugmentation is a cost-effective, environmentally friendly way to enhance the natural microbial life found in wastewater treatment systems.

The BioPro, Livestock PRO, and DrainPro Series by Greener Planet Systems contain a blend of five to seven Bacillus strains in various ratios, combined with a proprietary blend of micronutrients that enhances the natural bacteria’s ability to degrade wastewater contaminants.

Our patented bioaugmentation system was developed through years of research and development. It provides a significant reduction in operational costs while also improving the efficiencies of the wastewater treatment process.

What Differentiates the PrO2?


The PrO2 is the most productive oxygen delivery device in the marketplace (measure as pounds of oxygen delivered per kilowatt). This efficiency is further leveraged by the extraordinary control

offered by the PrO2 custom control system. Stated simply, oxygen is delivered extremely efficiently - when and where it is needed in the body of waste water.

Typically in most biological processes, oxygen is delivered to a wastewater process with little or no control, creating enormous inefficiencies. With the PrO2 an oxygen emulsion is generated and delivered into the wastewater as scheduled by the operator. While operating under dissolved oxygen (DO) control mode, when the DO falls below a preset low level target, PrO2 delivers oxygen until the DO exceeds the high level target. Because oxygen is only delivered when demanded, no oxygen is wasted. Equally important, the operator can monitor the biological activity by monitoring the oxygen consumption. The frequency with which the system demands additional oxygen relates directly to the consumption (BOD). If the oxygen consumption is reduced, the operator knows that either the BOD load has been reduced or that the biological process has been inhibited. This allows the operator to make proactive decisions BEFORE the resulting effluent is affected.