KEY DETAILS
Technology: IDEAL®
(Intermittently-Decanted Extended Aeration Lagoons)
ADVANTAGES
- 1. Proven cold temperature nitrification as low as 3°C
- 2. De-nitrification over 60%
- 3. Phosphorus removal and filtration options available
- 4. Worry-free operation during and after peak-plus flow events
- 5. Maximum hydraulic capacity
APPLICATIONS
- 1. Provides nitrification even in winter conditions
- 2. Incorporates a singlelagoon/earthen basin to treat a continuous inflow while maintaining biomass equilibrium.
- 3. Delivers high effluent quality for small-to-medium water reclamation facilities while retaining lagoon based operational simplicity.
YOUR CHALLENGE: POST-LAGOON AMMONIA REMOVAL
YOUR LAGOONS HAVE TOO MUCH LOADING FOR THEIR SIZE AND/OR REGULATORY LIMITS.
There’s a good chance your lagoons designed for yester-year’s permits, population, or industrial loading. But those conditions change, and they rarely make things easier on your existing wastewater treatment infrastructure. That does not mean, however, you necessarily need to lose or replace it.
OUR TECHNOLOGY: HIGH LEVELS OF BOD, TSS AND AMMONIA REMOVAL WITH YOUR EYE ON THE FUTURE
NEI is the exclusive source for IDEAL (Intermittently Decanted Extended Aeration Lagoons) in the Kingdom. IDEAL systems consist of an optAER® aeration system with fine bubble diffusers, two chains of BioReef BioCurtain, a static decanter with flow control valves, an overflow pipe with Storm Mode™, process controls, and a blower package. The simple operation of the IDEAL provides easy, cost-effective operation while the sophistication of the design provides high levels of BOD, TSS and ammonia removal.
The IDEAL process requires no active sludge management and extremely high flow events present no operational problem or concern from washout of the reactor. IDEAL also provides up to 66% total nitrogen removal as part of basic operations, which means you are already prepared for future increases in nitrate or nitrogen requirements. The unique ability of the IDEAL to provide front-of-plant treatment provides several benefits over other lagoon-based technologies.
HOW IT WORKS
IDEAL COMBINES SEVERAL TECHNOLOGICAL ADVANCEMENTS
IDEAL is an advanced upgrade for lagoon-based treatment processes for ammonia and nitrogen removal. It is small-footprint, intensified lagoon treatment which is continuously filled, with an intermittent decant that eliminates pre-equalization. IDEAL incorporates the four specific proven technologies, listed here.
optAER® Fine-bubble aeration
BioReef™
Decant Device
Process Control
WHAT IT DELIVERS
Front-of-plant ammonia removal
- Removing ammonia at the front of the plant provides several benefits. Other processes look to the back of the plant for ammonia removal where BOD concentration is lowest. The IDEAL process removes BOD and ammonia up front where warm, carbon-rich influent water is available to increase biological activity and denitrify for easy recovery of oxygen and alkalinity.
Long Term Compliance Planning
- Upgrades for advanced system control and maximum pollutant removal are made simple. No modification to the core treatment process is necessary for expansion of performance.
Worry-Free Operation During and After Peak Flow Events
- The IDEAL process has shown an excellent ability to maintain performance during and after heavy water surges. The IDEAL process also adjusts easily to varying degrees of organic loading. All process control options incorporate “storm mode.” This mode of operation initiates during extremely high flow events to eliminate the potential of reactor washout. The IDEAL BioReactor automatically resumes normal sequencing once flow decreases.
Nitrate and Total Nitrogen Removal
- Total nitrogen and nitrate restrictions are on the horizon. Converting ammonia to nitrate is only the first step. Denitrification, or removing nitrate, is the second step necessary for total nitrogen removal. The IDEAL process provides this benefit as a natural function of the process, whereas many other systems require expensive upgrades to achieve similar results.
Energy and Chemical Savings
- Microbes use nitrate in the same way they use oxygen. Denitrification that occurs naturally in the IDEAL process reduces oxygen requirements and provides decreased operational energy cost. The alkalinity recovered during denitrification can decrease or eliminate the need for chemical addition that is needed in some plants so complete nitrification can occur.
Minimum Operator Attention
- The IDEAL process offers simple operation with operator commitment similar to traditional aerated lagoons.
OUR TECHNOLOGY: HIGH LEVELS OF BOD, TSS AND AMMONIA REMOVAL WITH YOUR EYE ON THE FUTURE
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