Key Details
Technology: EcoBelt™ Rotating Belt Filtration for Plant Optimization
ADVANTAGES
- Reduce BOD by 20-40%, TSS by 30-80%
- Treat in 5% of the space required by conventional clarification
- Use less energy than other rotating belt filters
- Automated self-cleaning cuts 85% of routine maintenance
APPLICATIONS
- 0.1-50 MGD plant-optimizing primary treatment
- Increases plant capacity by reducing solids, nutrient, and BOD loading to subsequent processes
- Replaces failing clarifiers with efficiency in a small footprint
- Removes grease, oils, and fats using patented WaterKnife process
CASE STUDIES
- Wilmington, VT
- Valparaiso, IN
- Pocahontas, WV
Your challenge: Increasing your plants capacity
Reduce loading to your secondary treatment processes: If your biological process is underperforming and your tertiary effluent is inconsistent as a consequence, discover how well your plant can run when half the load is removed at the front end.
Save space, time and money: Finding the real estate for another clarifier is not always an option, and even if the land is there, building one requires substantial capital expenditures.
Our Technology: EcoBelt™
NEI is the exclusive source for the EcoBELT™, the simple, powerful primary treatment solution for optimizing your plant’s function. The EcoBELT takes the concept of a rotating belt filter (RBF) and enhances it with energy saving features and an ease of maintenance not found on other filters.
Why do you need an EcoBELT? Before you spend millions of dollars to get marginal oxygen-transfer improvements in secondary treatment, consider what would happen if you could halve your loading at the front end. It’s possible, and you won’t have to turn the neighborhood baseball diamond into a clarifier farm.
Implementing an EcoBELT has been shown to:
– Reduce 30-80% of the TSS and 20-40% of the BOD that finds its way into secondary treatment systems, improving the plant’s ability to perform BNR
– Use approximately 5% of the footprint of an equivalent clarifier
– Feed your anaeroabic digester with fluid primary solids containing the highest raw energy content, or
– Dewater primary solids with the optional integrated screw press for disposal at the nearest landfill.
HOW IT WORKS
LOOK INSIDE THE ECOBELT
EcoBELT™ removes solids using a continuous-loop fine mesh belt screen. As the screen moves it acts as a conveyor and carries solids out of the incoming wastewater. The patent-pending cleaning system discharges the solids from the belt screen and deposits them into the screenings hopper. Periodic hot-water flushes further clean the belt screen by removing oil and grease that may accumulate over time. An optional screw press dewaters the collected screenings to between 20-40% dry solids while screened wastewater continuously passes through the unit.
How long does a belt last?
Belts used in the EcoBELT are specially-designed to last twice as long as many of its competing belts. While impacted by factors including types of pretreatment in the plant configuration and belt loading, belts last 2 years on average. And though belt replacement is infrequently required, the EcoBELT is designed to make it a smooth exercise for plant operators. Our team trains operators to swap out the EcoBELT belt in 30 minutes (other RBFs take 6-8 hours). Don’t risk having another RBF’s belt fail during peak flows; with EcoBELT you’ll be back online 16x faster!
How does it save energy?
Where other RBFs use a air-based belt cleaning device that must run a high-energy blower constantly; the EcoBELT’s Doctor Blade is a mechanical solution taking advantage of the momentum of solids on the belt. It uses no additional energy and saves up to 80% of the system’s overall energy input when compared to similar filters.
WHAT IT DELIVERS
EcoBelt™ optimizes your plant with minimum energy, maintenance
The EcoBELT™ successfully reduces TSS and cBOD5, but its purpose is greater; it exists to improve the function of the entire plant in a small footprint with a whole-lifecycle cost that is a fraction of what conventional clarification could cost.
FAQS
Is a coarse screen required before the EcoBelt™?
How does the lifecycle cost compare to clarifiers?
How does the EcoBelt™ reduce waste and disposal?
How does the EcoBelt™ achieve maximized belt-life by using mechanical cleaning?
How does the EcoBelt™ achieve redundancy?
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