半岛综合体育（官方）体育大全_APP下载_安卓版/苹果版下载_（2024）_最新版

Evoqua United States - Canada - EN

The Orbal® System

See All Aerobic Systems

Most energy efficient, lowest maintenance and safest oxidation ditch available

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  • SND biological treatment in the same zone results in 80% denitrification without the need for an internal recycle pump.
  • Process adaptability/flexibility achieve lower TN or TP as regulations change. Complete mix characteristics and ability to operate at high MLSS concentrations form a high buffer capacity for shock loads.
  • Energy efficient from operating a majority of system volume at a strong oxygen deficit allows for much higher oxygen transfer efficiency.
  • By operating tanks in series allows for diverting the Stormflow downstream of the first reactor, preventing clarifier washout of biomass. Proven effective in treating greater than 7x peak flow.
  • Allows for elimination of a dedicated anoxic zone typically used in biological nutrient removal processes. Reduces footprint, concrete cost, mechanical mixers and operational energy costs.
  • Only routine greasing of bearings is required; aerator discs are non-fouling.
Discontinued product
evoqa

Most energy efficient, lowest maintenance and safest oxidation ditch available

  • SND biological treatment in the same zone results in 80% denitrification without the need for an internal recycle pump.
  • Process adaptability/flexibility achieve lower TN or TP as regulations change. Complete mix characteristics and ability to operate at high MLSS concentrations form a high buffer capacity for shock loads.
  • Energy efficient from operating a majority of system volume at a strong oxygen deficit allows for much higher oxygen transfer efficiency.
  • By operating tanks in series allows for diverting the Stormflow downstream of the first reactor, preventing clarifier washout of biomass. Proven effective in treating greater than 7x peak flow.
  • Allows for elimination of a dedicated anoxic zone typically used in biological nutrient removal processes. Reduces footprint, concrete cost, mechanical mixers and operational energy costs.
  • Only routine greasing of bearings is required; aerator discs are non-fouling.
Discontinued product

Description

Easily identified by its concentric loop design, the Orbal® system, uses an activated sludge process designed to address today’s nutrient and stormflow issues.

The simultaneous nitrification/denitrification (SND) process is the backbone. The Orbal system features​​ dedicated zones for specific treatment purposes. These treatment zones operate in series during the SND treatment process. The Orbal system has been on the leading edge of SND plant designs for more than 50 years.

The Orbal system can be easily modified to meet a large variation of effluent limits. Typically only a simple process setpoint or mechanical change is needed to meet more stringent nitrogen or phosphorus effluent limits.

Specs

Aerobic Treatment System Type
  • Activated Sludge, Separation/Clarification
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